1. gene in pea plants has a strong influence on plant height. The gene has two alleles: tall (T), which is dominant, and short (t), which is recessive. What are the genotypes and phenotypes of the offspring of a cross between a TT and a tt plant?
Answers
The genotype and phenotype of the offspring of a cross between TT and tt plants would be Tt and tall respectively.
Monohybrid crossingAllele T, which codes for tallness, is dominant over allele t, which codes for shortness.
Crossing a TT plant with a tt plant:
TT x tt
Tt Tt Tt Tt
All the offspring have Tt genotype and since T is dominant over t, they will all appear tall.
In other words:
Genotype of offspring = Tt
Phenotype of offspring = tall.
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Related Questions
which is an example of a primary effect directly due to hiv infection? multiple choice question. extreme leukopenia formation of giant syncytial b cells opportunistic malignancies opportunistic infections
Answers
Extreme leukopenia is an example of a primary effect directly due to HIV infection.
HIV (human immunodeficiency virus) is a virus that attacks the immune system, specifically CD4+ T cells, which are responsible for fighting infections. As the virus replicates and destroys CD4+ T cells, the immune system becomes weaker, making the body more susceptible to infections and other diseases.
Leukopenia is a condition where there is a decrease in the number of white blood cells in the body, including CD4+ T cells. This is a primary effect directly caused by HIV infection, as the virus targets and destroys these cells, leading to a decrease in their numbers. Formation of giant syncytial T cells and opportunistic malignancies and infections are not primary effects directly caused by HIV infection but are instead secondary effects that occur as a result of the weakened immune system caused by the virus.
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Which is the least specific group? *
A. Order
B. Class
C. Kingdom
Answers
Answer:
C. Kingdom
Explanation:
it is the largest and thus the variety is much greater in this group then the rest
Which phase of mitosis is represented in the diagram?
prophase
telophase
anaphase
metaphase
Answers
this phase of mitosis is referred to as Metaphase
The spindle apparatus (represented by the lines) has completely formed, each spindle fibre is attached to the centromere of the chromosome. The chromosomes are lined up at the centre (equator) of the cell. This is for preparation of separation- prior to the next stages in which it becomes pulled apart.
spindle apparatus- all lines
spindle fibre- an individual line
centromere- the middle of the chromosome
chromsome- repesented as an X in the diagram
A researcher is investigating a drug to prevent organ rejection; this drug selectively inhibits helper t cells. how would this help to prevent the rejection of a transplanted organ?
Answers
Helper T cells are a type of immune cell that play a critical role in the immune response by activating other immune cells such as B cells and cytotoxic T cells.
However, in the case of organ transplantation, these immune cells can mistakenly recognize the transplanted organ as foreign and attack it, leading to organ rejection. By selectively inhibiting helper T cells, the drug can reduce the immune response and prevent the activation of other immune cells that would normally attack the transplanted organ. This can help to prevent organ rejection and increase the chances of a successful transplant.
However, inhibiting helper T cells can also increase the risk of infections, as these cells are also important in fighting off pathogens. Therefore, careful monitoring and management of the patient's immune response is necessary when using such a drug.
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the business definition underscores the scope of an organization’s operations apparent in its mission and reflects management’s vision of what the organization seeks to do. True or false?
Answers
True. The business definition highlights the operations that an organization is known for, as indicated by its mission, and it reflects management's goals for the company.
An organization's purpose, when expressed in writing, highlights the range of its operations as indicated by its business definition and expresses management's ideals for the organization. To gauge how well an organization is performing, goals translate its mission and core competencies into long- and short-term performance targets.
Operational goals are the precise outcomes anticipated from divisions, teams, and individuals. These objectives are specific and quantifiable. The exchange, acquisition, sale, or creation of goods and services with the aim of making money and meeting client demands constitutes business.
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What are mutations in gametes also called?.
Answers
Mutations in gametes are also called germline mutations. When transmitted to a child, a germline mutation is incorporated in every cell of the body. Germline mutations play a key role in genetic diseases.
Any gametes produced as a result of a germ cell mutation will likewise carry the mutation. The ensuing zygote will have the mutation in all of its cells if the mutated gamete is used in fertilization. However, only a small fraction of the person will be affected if the mutation takes place in a somatic (body) cell during mitosis. Cells that have acquired a somatic mutation and lost the ability to control their proliferation are considered tumors. Only around 5%–10% of all malignancies are caused by chromosomal variations, which are much less frequent. At the time of conception, a germline variation develops in a sperm cell or an egg cell and is directly transferred from a parent to a kid.
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The _____ is located near the midline in the anterior portion of the thoracic cavity, posterior to the sternum and slightly superior to the heart.
Answers
Answer:
mediastinum is located near the midline
why is a soda exploding/fizzing a physical change?
Answers
Answer:The fizzing of soda is a physical change that involves the release of gaseous carbon dioxide. During fizzing of a soda, you can see bubbles of carbon dioxide in the soda rise to the top. A bottle of soda doesn't fizz when it is closed because the pressure is higher, and keeps the carbon dioxide dissolved in the liquid.
Explanation:
which of the cell types would secrete their product if the body was under stress, as during an intense workout? a)alpha cells b)beta cells c)pancreatic d)acinar cells
Answers
The cell type that would secrete its product if the body was under stress, as during an intense workout, is the pancreatic cell. However, it should be noted that there are different types of pancreatic cells, such as alpha and beta cells.
Alpha cells are responsible for producing glucagon, which raises blood sugar levels, while beta cells produce insulin, which lowers blood sugar levels. During an intense workout, the body requires more energy, and therefore, the pancreas will release more glucagon and insulin to regulate blood sugar levels and ensure that the body has enough energy to perform the physical activity.
Additionally, acinar cells are responsible for producing digestive enzymes, and they are not directly involved in regulating blood sugar levels during physical activity.
So, in summary, pancreatic cells, including both alpha and beta cells, would secrete their products if the body was under stress, as during an intense workout.
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While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. The neurology resident told Sally that neurons and their dendrites, which send and reccive signals, made up the nerves and that the information was transported only from the PNS to the CNS. The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS.
Answers
The statement that is true regarding the cellular structure of a neuron is; The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. Option A is correct.
This statement accurately describes the composition of nerves and the direction of information transmission. Neurons, which consist of a cell body, dendrites, and an axon, are the basic building blocks of the nervous system. Dendrites receive signals from other neurons, while the axon transmits signals to other neurons.
Nerves, on the other hand, are composed of bundled axons of neurons and are responsible for transmitting information between the peripheral nervous system (PNS) and the central nervous system (CNS). The information flow typically occurs from the PNS to the CNS.
Hence, A. is the correct option.
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--The given question is incomplete, the complete question is
"While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? A) The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. B) The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. C) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. D) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS."--
“How do patheoanthropologists study fossils lab” does anyone have this or can do this lab for me.
Answers
In order to study fossils in-depth paleoanthropologists undertake various lab processes such as cleansing and preparation alongside imaging and scanning for physical analysis. They then compare these findings with other samples revealing species identity while providing data on organismal aging traits alongside unique biological insights.'
Who are paleoanthropologists?Paleoanthropologists are dedicated professionals whose work is focused on unearthing the fascinating story behind human evolution.
By carefully analyzing fossils and artifacts left by our ancestors using genetic analysis tools; radiometric dating techniques; and comparative anatomy research capabilities these experts can skillfully reconstruct an intricate narrative spanning thousands upon thousands of years.
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Match each type of cause with the source that could shed light on that cause.
records related to the
and export of goods
population records related
to births and deaths
records related to
the use of certain wordspaintings, photographs,
and filmsletters and diaries of
ordinary peoplerecords related to banks
and financial transactions
Answers
Economic causes: records related to the and export of goods; records related to banks and financial transactions
Social causes: population records related to births and deaths; records related to the use of certain words
Cultural causes: paintings, photographs, and films; letters and diaries of
ordinary people.
Note that the complete question is found in the attached image.
What are the causes listed?The causes given are economic causes, social causes and cultural causes.
Economic causes deals with things that affect how to satisfy man's needs and wants, Social causes deals how humans relate, and Cultural causes deals with the way of life of a people.
The items and the correct causes are as follows:
Economic causes: records related to the and export of goods; records related to banks and financial transactions
Social causes: population records related to births and deaths; records related to the use of certain words
Cultural causes: paintings, photographs, and films; letters and diaries of
ordinary people.
In conclusion, the causes considered are economic , social and cultural, causes.
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A primary consum has 13.000 joules. Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the tertiary consumer level in this pyramid?
A. 12 joules
B. 130 joules
C. 1,300 joules
D. 13,000 joules
Answers
Answer:
B
Explanation:
As you move up the energy pyramid, consumers receive 10% energy (Joules) from the organism they are receiving from.
Scientists observed a species of insect in one location and collected data on the coloration of the individual insects. Many years
later, the scientists again collected data on the coloration of the same species in the same location. They noticed a change in the
color of the insects, as shown in the graph.
Number of Insects
of 6 Answered
Changes in Insect Color
second observation
Lighter
What could explain the change in the insects' coloration over time?
OA. The population of the insect decreased.
OB. The color of the surroundings changed.
OC. Females started to prefer darker males.
OD. A new color of predator was introduced.
Answers
Answer:
B. The color of the surroundings changed.
Explanation:
Based on the information provided, the most likely explanation for the change in the coloration of the insects over time is that the color of the surroundings changed. The data in the graph shows that the number of insects with lighter coloration increased between the first and second observations, which suggests that the insects may have adapted to better blend in with their surroundings. This could be due to a change in the color of the environment, such as an increase in the amount of light or a change in the predominant colors in the area. Option B, "The color of the surroundings changed," is therefore the most likely explanation for the observed change in the insects' coloration.
Which option is food (i.e., an energy source) for a plant?
carbon dioxide that a plant takes in through its leaves
minerals that a plant takes in from the soil
water that a plant takes in through its roots
sugars that a plant makes
Answers
Answer:
I'm pretty sure that it is the water the plant takes through its roots
Explanation:
Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight. This process is called photosynthesis, which means 'making out of light'. The foods are called glucose and starch. which is the process of making food for plants
the following data shows four amino acids found across three species. which phylogenetic tree best represents the information in the chart?
Answers
The best phylogenetic tree to represent the information in the chart is a cladogram.
Which phylogenetic tree best represents the information in the chart?A cladogram is a branching diagram that shows the evolutionary relationships between different species. In this case, the four amino acids can be represented by four branches on the cladogram. Each branch can represent a different species, with the four amino acids as nodes along the branch.The cladogram can be constructed in such a way that the amino acids at the nodes closest to the root (the base of the tree) are shared by all three species. This indicates that these are the most primitive amino acids, and that they were present in the common ancestor of all three species. As the branches move away from the root, they will represent the amino acids that are unique to each species. This indicates that these amino acids evolved in the species after they diverged from the common ancestor.This cladogram can help scientists determine which species are closely related and which are more distantly related. For example, if two species share the same amino acid at a certain node on the cladogram, then they are closely related. If two species have different amino acids at the same node, then they are more distantly related. This phylogenetic tree provides a visual representation of the evolutionary relationships between different species based on the amino acids they contain.To learn more about cladogram refer to:
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What are potential problems in the cell cycle if the different cyclin molecules do not interact correctly?
Answers
Answer:
Interactions between cyclins and cyclin-dependent kinases. Disruptions to the cell cycle may result in cancer and/or programmed cell death (apoptosis).
What is the solstice / equinox based on?
the amount of daylight that is seen during that time
the temperature of the earth
the amount of heat the sun is giving off
Answers
The two equinoxes occur around March 20–21 and September 22–23, marking the onset of both spring and autumn. During the equinox, the sun crosses the plane of Earth's equator, making nighttime and daytime (roughly) equal length all over the world
The seasons on Earth change because the planet is slightly tilted on its axis as it travels around the Sun. This means different points on Earth receive more or less sunlight at different times of year
How does the glycolysis reaction catalyzed by GAPDH from T. tenax differ from the reaction carried out in E. coli?
Answers
The difference between the glycolysis reaction catalyzed by GAPDH from T. tenax and by E. coli is that the catalysis by T. tenax forms 3-phosphoglycerate instead of 1, 3-bisphophoglycerate (formed by E. coli catalysis).
Glycolysis is the process of cellular respiration which is common in both aerobic as well as anaerobic organisms. It occurs in the cytoplasm of cell. In glycolysis, breakdown of glucose occurs to form 2 molecules of pyruvate.
GAPDH is the short form for the enzyme Glyceraldehyde-3-Phosphate Dehydrogenase. It is involved in catalyzing the a reaction in glycolysis. The reaction involves the simultaneous phosphorylation and oxidation of glyceraldehyde-3-phosphate to 1,3-biphosphoglycerate.
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Match the statements below with the appropriate term. Delete the underline & replace it with the letter of your answer choice. Each letter/answer choice is used only once.
_____ 4. Stored chemical energy; sugar
_____ 5. The energy-carrying molecule that cells use for energy
_____ 6. Process that stores energy from sunlight into the chemical bonds of glucose
_____ 7. Organisms that make their own
_____ 8. All animals, fungi, and many protists
_____ 9. Organisms that must eat; another name for a heterotroph
_____ 10. Molecules that store energy in their chemical bonds
_____ 11. The site of photosynthesis
_____ 12. The site of cellular respiration
A. Mitochondria B. Chloroplast C. Cellular respiration D. Photosynthesis E. Energy F. Producers
G. ATP H. Glucose I. Autotrophs J. Heterotrophs K. Consumers L. Food
Answers
Answer:
H. Glucose
G. ATP
D. Photosynthesis
F. Producers
K. Consumers
J. Heterotrophs
L. Food
B. Chloroplast
A. Mitochondria
Explanation:
Answer:
H. Glucose
G. ATP
D. Photosynthesis
I. Autotrophs
K. Consumers
J. Heterotrophs
L. Food
B. Chloroplast
A. Mitochondria
Which structures are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial? Rank the
structures from most to least important with the most important at the top.
=Analogous
Homologous
Vestigial
Answers
The structures that are most important in determining evolutionary relationships between organisms-analogous, homologous or vestigial from most to least important with the most important at the top will be:
Homologous.VestigialAnalogousHow to illustrate the evolution?Analogous traits lack the shared evolutionary history of homologous traits, which allowed them to arise. Because they show evidence of evolutionary relationships, homologous structures are more significant to evolutionary biologists than analogous structures.
The retention of genetically determined traits or structures that no longer serve their original purpose in a given species is known as vestigiality.
In conclusion, the ranking is illustrated above.
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Which of the following is a reason conflicts over zoning decisions can become a divisive issue?
a. Zoning decisions are often wrong and result in significant financial hardship for a city.
b. Zoning decisions do not always change over time and can become antiquated.
C. Establishing zoning types is an expensive process.
d. Zoning regulations prevent new businesses from competing with established businesses.
Answers
Answer:
B. Zoning decisions do not always change over time and can become antiquated.
Explanation:
There always exist conflict because of zoning decisions and if these conflicts are left unchecked, they can become a tool for division.
One major reason why zoning decision can cause conflict is because the zoning decisions can sometimes remain static and hence become antiquated.
Zoning decisions do not always change over time and can become antiquated.
Conflicts of zoning decisions
Conflicts over zoning decisions can arise from many factors and if these conflicts are left unchecked, they can become a tool for division.
We can conclude the following based on conflicts over zoning decision;
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the first person credited with documenting the antimicrobial properties of hops was: group of answer choices
Answers
The first person credited with documenting the antimicrobial properties of hops was Louis Pasteur.
Louis Pasteur, a French chemist and microbiologist, conducted extensive research on the antimicrobial properties of hops in the 19th century. He discovered that hop extracts contain compounds that inhibit the growth of bacteria and other microorganisms.
To document this, Pasteur performed experiments where he exposed different microorganisms to hop extracts. He observed that the growth of these microorganisms was significantly inhibited compared to control groups. This led to the recognition of hops as a natural preservative in the brewing industry, helping to prevent spoilage and contamination in beer production.
Pasteur's work on the antimicrobial properties of hops laid the foundation for further research and applications in the field of microbiology and food preservation. His findings continue to be influential in the brewing industry today.
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Deep facial bones that separate the oral and nasal cavities & form the nasal septum
Answers
The deep facial bones that separate the oral and nasal cavities and form the nasal septum are known as the ethmoid bone, the vomer bone, and the maxilla bone.
These bones are responsible for maintaining the structural integrity of the face and supporting the various functions of the oral and nasal cavities. The ethmoid bone, in particular, plays a crucial role in separating the two nasal cavities and providing structural support for the nasal passages. The vomer bone, on the other hand, helps to form the lower part of the nasal septum, while the maxilla bone contributes to the overall structure of the upper jaw and helps to support the teeth and gums. Together, these deep facial bones play an essential role in maintaining the health and proper functioning of the oral and nasal cavities.
The deep facial bone that separates the oral and nasal cavities and forms the nasal septum is the "vomer" bone. The vomer is a thin, flat bone that is located in the midline of the skull and divides the nasal cavity into left and right halves. It plays an essential role in supporting the structure of the nasal cavity and contributing to the overall structure of the face.
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What is the purpose of the Cell Cycle Checkpoints?
Answers
Answer:
Cell cycle checkpoints enable a cell to ensure that important process, such as DNA are complete.
Explanation:
Imagine that you’re an archaeologist. This means that you’ll be studying ancient cultures and civilizations. You will be studying what people were like, where they lived, and where they went. Which of the six essential elements of geography would you be using in this job? Explain your answer in at least three sentences.
Answers
Answer:
1. Places and regions
2. World in spatial terms
3. Environment and society
4. Physical systems
5. Human systems
6. Uses of geography
Explanation:
Six essential elements which can be used by archaeologist in his job are the Places and regions, World in spatial terms, Environment and society, Physical systems, Human systems, and Uses of geography. without knowing these elements, the archaeologist did not done their work properly. these six elements are the keys to know about ancient cultures and civilizations.
Answer:
As an archaeologist, I might be using the element called “uses of geography.” I will be learning about the past, and people will be able to use this information to plan for the future. I might also be using the element called “human systems.” I will be studying the cultures and behaviors of people in the past and trying to understand their lives. Finally, I might also use the element called “environment and society.” I might be studying how these people used the environment around them. I might also see how they were affected by nature and by the place they lived in.
1. K+ what’s the ion
Answers
Answer:
potassium
Explanation:
scientific name is kalium
your classmate has drawn four membrane models to try to remember how the lipid bilayer is built. help her to select the best model.
Answers
The best model would be where The lines must be in the center and facing each other, and the circles must be on the side. A thin polar membrane comprised of two layers of lipid molecules is known as a lipid bilayer (or phospholipid bilayer).
These membranes are flat sheets that surround every cell in a continuous barrier. The nuclear membrane enclosing the cell nucleus and the membranes of the membrane-bound organelles in the cell are all made of a lipid bilayer, as are the cell membranes of practically all animals and many viruses.
The lipid bilayer serves as a barrier, retaining ions, proteins, and other molecules where they are required while preventing their diffusion into unintended locations.
Even though they are only a few nanometers wide[1], lipid bilayers are best suited for this function since they are impermeable to the majority of water-soluble (hydrophilic) compounds.
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your classmate has drawn four membrane models to try to remember how the lipid bilayer is built. help her to select the best model and give reasons why.
Match the reproductive structures based on their function and the system to which they belong.
egg
ovary
testis
vas deferens
sperm
vagina
urethra
fallopian tube
Function
Female Reproductive
Structure
Male
Reproductive
Structure
connects the internal reproductive organs to
the exterior and discharges reproductive fluids
to the exterior
functions as the sex cells or gametes
the site where gametes are produced
functions to transport the gametes from the
inction in the reproductive
Answers
Answer:
right on Plato/ Edmentum
Explanation:
vagina urethra
egg sperm
ovary testis
fallopian tube vas deferens
The correct reproductive structure is based on their function and the system to which they belong are:
Vagina - urethraegg - sper-movary - testisfallopian tube - vas deferensWhat is the reproductive system?In both males and females, a reproductive system is a group of internal and external organs that cooperate to allow for reproduction. The organs, glands, and tissues involved in childbirth (children).
The ovaries, fallopian tubes, uterus, cervix, and vagina are all parts of the female reproductive system. It includes the pen-is, prostate, and testes in men.
Therefore, the correct option is
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What is the human female reproductive system is adapted for? A. Production of zygotes in ovaries B. External fertilization of gametes C. Production of milk for a developing embryo D. Transport of oxygen through a placenta to a fetus