What do mitochondrial and thylakoid membranes have in common?
O A. They are both involved in cellular respiration in animal cells.
O B. They both contain chloroplasts and chlorophyll.
O C. They are both places where ATP is produced.
O D. They are both the sites of glycolysis.
How does a single fertilized egg cell develop into so many
different types of specialized cells?
Answer:
it hatches and the baby comes out
Need Answered ASAP:
What if both parents are hetero (zygous), what percent of their offspring would be homeo (zygous) recessive?
Question 2 options:
100%
25%
50%
75%
Answer:
%25 is right
Explanation:
lets say both your parents have white skin, the chances of them having a brown skin baby are low to none.
Trust my answers if YOU want to.
) Recall what you know about crossing over, independent assortment, and random joining of sex cells during sexual reproduction.
Answer:
Crossing over is the process of interchange of genetic information among non-sister chromatids of homologous chromosome pairs during meiosis (specifically during synapsis in prophase I). During this process, the synaptonemal complex enables the interchange of chromosome fragments between non-sister chromatids through crossing over. Moreover, in sexual reproduction, the zygote diploid cell can be generated by the random joining of fully differentiated haploid gametic cells (male and female gametes). The combination of random joining with the phenomenon of crossing over is known to considerably increase the genetic variation of the resulting offspring. After zygote formation, the successive cycles of cell divisions during embryonic development will develop an organism that during its adult stage will reproduce via sexual reproduction.
:(
no one wants to answer my question :(
Answer:
Same nobody's wants to answer mine
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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Which of the following phrases best summarizes Chapter 13 bankruptcy? a. discharge debt and keep property b. discharge debt and liquidate assets c. reorganize debt and keep property d. reorganize debt and liquidate assets Please select the best answer from the choices provided. A B
reorganize debt and keep property.
What is Bankruptcy?bankruptcy is a legal process involving an individual or business that is unable to pay off its debts.
The chapter 13 of the Bankruptcy Code allows for the adjustment of debts for a person with regular income and permits the debtor to maintain their property while paying off their debts gradually over a period of time, often three to five years.
A petition is filed, either on behalf of the debtor, which is more often, or on behalf of creditors, which is less frequent, to start the bankruptcy process.
Therefore, reorganize debt and keep property.
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What event accompanies energy absorption by chlorophyll (or other pigment molecules) of the photosystems
Answer:
an electron is exited
Explanation:
as the electrons are released into the system of electron carriers involved with photosystem two, they lose their energy
What is the cell to cell function of membrane protein?
According to the selection, in which two ways have
the Devils Hole pupfish adapted to their
environment?
A
B
C
D
E
They do not take deep breaths.
They do not grow a pelvic fin.
They swim slower.
They stay smaller.
They eat more food.
The Devil's Hole pupfish has evolved a behavior described as "paradoxical anaerobism" as a result of adapting to a lack of oxygen in its habitat.
The correct answer is: A.
Can pupfish adapt?HABITAT: Having evolved to live within dry regions, deserts pupfish are capable of withstand conditions such as daily temperature changes of up to forty-five degrees Celsius, water temperatures around 120 degrees Celsius, extremely low concentrations of oxygen, salinity levels over twice as much of the ocean, and water temperatures above 110 degrees Fahrenheit.
Under which circumstances do pupfish reside?Warm, salinized waters or salt streams are where they live, which would quickly kill a trout. For example, a Salt Creek pupfish can survive in seawater that is three times as salty. In Monument Valley National Park, they are plainly visible from a boardwalk.
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Generally, coral reefs are found in shallow waters between ______ degrees N latitude and ______ degrees S latitude.
Answer:
30 degrees;
30 degrees
Explanation:
Coral reefs are formed when the skeleton of the corals merge and combine with each other. The formation of coral reefs takes many years . Corals are the organism living in the ocean. They live in dense colonies and clusters. Coral reefs provides an ecosystem for other marine organisms to live in. The species live in the coral reefs and maintain their population. Corals live in the region of the ocean that has warm water and between the latitudes of 30 degrees North and 30 degrees South.
Related to weather what does 0% cloud cover mean?
Answer: 0% cloud coverage means there are no clouds in the sky and it is a clear day.
Explanation: Cloud cover mean how much cloud coverage and 0% means nothing at all is covered.
9) One difference between carbon-12 ( 2C) and
carbon-14 (CO) is that carbon-14 has
A) two more protons than carbon-12.
B) two more clectrons than carbon-12.
C) two more neutrons than carbon-12.
D) A and C only
E) B and C only
Answer:
C
Explanation:
this is because that Carbon 12 has 6 protons and electrons and the same goes for Carbon 14 so Choice A and choice B can't be answers so D and E arent equivalent too that means Choice C can be the appropriate answer.
further more explanation:
it's also Choice C because both carbon atoms are neutral which means that the number of protons and the number of electrons are the same so that leaves us with neutron and we get the neutron number by subtracting the mass number with the proton number so let's go on shall we!
for carbon 12= 12-6=6
for for carbon 14=14-6=8 which means the best alternative is Choice C.
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Which organelle would be most affected by a mutation in mRNA?
The organelle that would be most affected by a mutation in mRNA is the ribosome. Ribosomes are cellular structures that are responsible for translating mRNA into proteins. During translation, the ribosome reads the mRNA code and matches each codon with a specific amino acid.
If there is a mutation in the mRNA sequence, the ribosome may read the wrong codon or not read a codon at all, leading to the production of an incorrect protein or no protein at all.Mutations in mRNA can occur due to errors during transcription or as a result of damage to the mRNA molecule. These mutations can have a significant impact on cellular function, leading to the development of diseases such as cancer.
In addition to mutations in mRNA, ribosomes can also be affected by mutations in other components of the protein synthesis machinery, such as tRNA or rRNA. These mutations can also result in the production of incorrect or incomplete proteins and can have serious consequences for the cell.
Overall, the ribosome is the organelle that is most affected by mutations in mRNA, as it is responsible for translating the mRNA sequence into functional proteins. Understanding the mechanisms that regulate protein synthesis is crucial for understanding cellular function and developing new treatments for genetic diseases.
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When thinking about genotypes and phenotypes, which is the cause and which is the effect?
Answer:
A particular genotype does not necessarily guarantee a particular phenotype. Understanding what factors can change this expression is quite complex.. What is what i believe that above statement meant.
Explanation:
Error is the stochastic variation associated with a particular observation of the phenotype (and is managed by use of replication and and appropriate experimental design). The phenotype is the result not only of the average effect of the different alleles at a given locus across test units and across environments, but is impacted by the interaction between the different alleles and the environments (including genetic backgrounds) in which they are evaluated. Phenotype is not simply the sum of the genotype effect and the environment effect, as indicated in the mathematical formula that you provide.
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The process by which animals use oxygen to convert food to energy is called
Answer:
Respiration
Explanation:
Respiration is the process by which animals use O2 to get energy from food. So plants take in CO2 from the air and produce O2, and animals take in O2 from the air and produce CO2
what name do we use for the outer membrane of skeletal muscle cells?
a. sarcoplasmic
b.sarcoplasm
c.sarcolemma
d.sarcasm
Answer:
The answer is sarcolemma
By exploiting the above symmetry, or otherwise, calculate the electric potential at a point on the axis of the annulus a distance from its center.Hint How to exploit the angular symmetry of the problem
The electric potential at a point on the axis of the annulus a distance z from its center is given by: \(V = kQ / (2z) * sqrt(r^2 + z^2) / (2π)\)
What is angular symmetry?To exploit the angular symmetry of the problem, we can consider a circular ring of radius r and thickness dr, with charge density λ. The potential dV at a point P on the axis of the ring, at a distance z from the center of the ring, due to a small element of charge dq on the ring is given by:
\(dV = kdq / sqrt(r^2 + z^2)\)
where k is the Coulomb constant.
We can express the charge density λ in terms of the total charge Q on the ring and the circumference C of the ring as:
λ = Q / C = Q / (2πr)
Substituting this expression into the equation for dV and integrating over the entire ring, we get:
\(V = ∫dV = kQ / (2π) ∫dr / sqrt(r^2 + z^2)\)
To evaluate the integral, we can make the substitution \(u = r^2 + z^2, du = 2rdr,\) to obtain:
\(V = kQ / (4πz) ∫du / sqrt(u) = kQ / (4πz) * 2sqrt(u) = kQ / (2z) * sqrt(r^2 + z^2) / (2π)\)
Therefore, the electric potential at a point on the axis of the annulus a distance z from its center is given by:
\(V = kQ / (2z) * sqrt(r^2 + z^2) / (2π)\)
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Name 2 differences between genetic disorders, viral infections, bacterial infections, and cancer. I need 2 differences between all 4 please. Thank you in advance!
The differences between genetic disorders, viral infections, bacterial infections, and cancer are that the genetic disorder is inherited, while the viral infection can be transferred from one person to another but not in the case of the bacterial infection. Cancer is caused by abnormal cell division.
What is the significance of the bacterial and viral infections?Genetic disorders can be caused by mutations, but viral infections, bacterial infections, and cancer are caused by external agents like chemical aging or other infections. While the genetic disorder is passed from the parent to the offspring, viral infections, bacterial infections, and cancer can occur at any point in an individual's life and can be influenced by the environment.
Hence, the differences between genetic disorders, viral infections, bacterial infections, and cancer are that the genetic disorder is inherited, while the viral infection can be transferred from one person to another but not in the case of the bacterial infection. Cancer is caused by abnormal cell division.
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Refer to the metabolic pathway illustrated above. If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on medium supplemented with _____.A) nutrient A onlyB) nutrient B onlyC) nutrient C onlyD) nutrients A and C
Answer:
A) nutrient A only
Explanation:
In this case, enzyme A is required for the digestion of nutrient A, thereby evidencing that the mutation affects the enzymatic pathway and the mutant strain only can grow by supplementation with this nutrient. In molecular biology, mutant strains are useful to study enzymatic functions (for instance, the role of enzyme A in nutrient assimilation), as well as to examine downstream signaling pathways.
In experimental design, spontaneous mutations are induced to study their effects on the phenotype. Subsequently, reverse mutations may also be induced to reverse the forward mutation, thus restoring the original wild-type phenotype.
7. Which of the following describes the role of cyclic AMP
(CAMP) in hormone response?
A. cAMP opens a pore for steroid hormones to enter the
nucleus.
B. CAMP receives a message from a nonsteroid hormone
and carries the message into the cell.
C. cAMP receives messages from mRNA to begin protein
synthesis.
D. CAMP are molecules that bind and captures the
nonsteroid hormone.
Which of the following is true about the Moon?
A- The Moon has light of its own.
B- The Moon reflects the light of the Earth.
C-The Moon shines by reflecting the light of the Sun.
D-The Moon reflects the light of other stars in the sky.
Answer:
Your answer is C
Explanation:
Answer:
C
Explanation:
The moon reflects the light of the sun
Your friend says that a certain amount of kinetic energy is required to break the bonds between atoms and
make a chemical reaction go. If the molecules DO NOT have at least that energy then there will be no reaction
within the substance at all. Is your friend correct? Why or why not? If not rephrase their statement to make it
true.
The statement that a certain amount of kinetic energy is required to break the bonds between atoms and make a chemical reaction go is not entirely accurate.
The rephrased statement is:
For a chemical reaction to occur, a minimum amount of energy, called the activation energy, is required to break the bonds between atoms in the reactant molecules, and the likelihood of a reaction occurring increases with the number of molecules with sufficient energy to overcome the activation barrier."
What are chemical bonds?A chemical bond is a strong attraction between atoms or ions that allows molecules and crystals to form. Ionic bonds and covalent bonds both form when two oppositely charged ions interact electrostatically.
For a chemical reaction to occur, a minimum amount of energy, called activation energy, is required to break the bonds between atoms in the reactant molecules. This activation energy can come from a variety of sources, including heat, light, or catalysts, and it is often provided by the thermal energy of the surroundings.
However, it is not true that if the molecules do not have at least that energy, then there will be no reaction within the substance at all. In reality, there will always be some molecules with enough energy to undergo a reaction, even at lower temperatures, due to the statistical distribution of kinetic energies among molecules.
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Mitosis is an example of sexual reproduction.
True
Or
False?
Answer:
false
Explanation:
its a type of like cell thing
Answer:
false
Explanation:
In cell biology, mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division by mitosis gives rise to genetically identical cells in which the total number of chromosomes is maintained Therefore, mitosis is also known as equational division.
Categorize these pieces of evidence as either observation you could directly observe or as evidence that would require you to rely more n the observation of other such as scientist or information in textbook type the number of each piece of evidence (1-12) in the appropriate column of the table
In order to categorize the pieces of evidence as either direct observations or evidence requiring reliance on scientists or information in textbooks, we need to examine each piece individually. The table below will display the categorization of the evidence, assigning numbers 1-12 to each piece.
1. Review each piece of evidence.
2. Determine if the evidence can be directly observed or if it requires reliance on scientists or information in textbooks.
3. Assign the numbers 1-12 to each piece of evidence in the appropriate column of the table.
4. For evidence that can be directly observed, mark it under the "Direct Observation" column.
5. For evidence that requires reliance on scientists or information in textbooks, mark it under the "Reliance on Scientists/Textbooks" column.
6. Repeat this process for all 12 pieces of evidence.
7. Ensure that each piece of evidence is accurately categorized in the table.
8. Double-check the categorization to ensure accuracy.
9. Verify that all pieces of evidence have been accounted for in the table.
10. Review the table and confirm the final categorization of each piece of evidence.
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help anyone ?? need answer asap
Answer:
it is the second one
Explanation:
Help me out, pls. I think it is the first one, but not sure?
Answer: A
Explanation: · 1. Which of the following statements about the global ocean conveyor belt is correct? O A. It determines the frequency of El Niño and La Niña weather systems. O B. It reduces temperature fluctuations between seasons in Europe. O C. It reduces temperature fluctuations between seasons in North America. O D. A:
The global ocean conveyor belt is a constantly moving system of deep-ocean circulation driven by temperature and salinity. [ -correct statement about the global ocean conveyor belt. ] he following statements about the global ocean conveyor belt is correct: The global ocean conveyor belt is a constantly moving system of deep-ocean circulation driven by temperature and salinity.
Which is a difference between a compound light microscope and a transmission electron microscope?
The compound light microscope can only view specimens in black and white, while the transmission electron microscope has color.
The compound light microscope can view living things, but the transmission electron cannot.
The compound light microscope examines the surface of a cell, and the transmission electron microscope examines internal parts of the cell.
The transmission electron microscope is used for dissections, while the compound light microscope is not.
Answer:
The compound light microscope can view living things, but the transmission electron cannot.
Explanation:
Electron microscopy requires samples to be frozen and therefore dead
Answer:
B
Explanation:
I just took the test an got it correct hope this helps :)
Explain what is meant by the statement, "Cells are very different, yet very similar."
Write it in 125 words
The temperatures on Earth are _____ the highest or lowest temperatures in other areas of the universe.
A. much colder and much hotter than
B. much colder than
C. much hotter than
D. neither as cold nor as hot as