Answer:
A: Ribosomes.
Explanation:
A population of 40 deer are introduced into a wildlife sanctuary. It is estimated that the sanctuary can
sustain up to 600 deer. Absent constraints, the population would grow by 60% per year. Estimate the population
after one year Pi Estimate the population after two years P2 -
The population of deer in the wildlife sanctuary can be estimated using the formula:
P(t) = P(0) * (1 + r)^t
where P(t) is the population after t years, P(0) is the initial population, r is the growth rate per year, and t is the number of years.
In this case, the initial population (P(0)) is 40 deer, the growth rate (r) is 60% per year (0.60), and we need to estimate the population after one year (P1) and two years (P2).
To calculate P1:
P(1) = 40 * (1 + 0.60)^1
P(1) = 40 * (1 + 0.60)
P(1) = 40 * 1.60
P(1) = 64
Therefore, the estimated population after one year is 64 deer.
To calculate P2:
P(2) = 40 * (1 + 0.60)^2
P(2) = 40 * (1 + 0.60)^2
P(2) = 40 * 1.60^2
P(2) = 40 * 2.56
P(2) = 102.4
Therefore, the estimated population after two years is 102.4 deer.
It's important to note that these are estimates and assume that there are no constraints on the population growth. In reality, factors like limited resources, predation, and disease can affect the growth rate and population size.
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What is the only bone not connected to any other bone?
Answer:
The hyoid bone
Explanation:
The hyoid bone is the only bone in humans that does not articulate with any other bone, but only has muscular, ligamentous, and cartilaginous attachments
respuesta: el hueso hioides, es un hueso delgado y en forma de U. esta suspendió justo debajo de la mandíbula. este hueso no este único directamente con ningún otro hueso
Which conclusion can be drawn based on examining fossil evidence of pollen in an area?
A. whether or not the area experienced volcanic eruptions
B. what the climate was like in the area long ago
C. how erosion and uplift has changed the landscape
D. how diverse the animal life was in the area
Answer:
B. What the climate was like in the area long ago.
Explanation:
All flowering plants produce pollen grains with distinctive shapes that change as climatic factors change as plants are generally distributed based on patterns of temperature and precipitation. So, fossil pollen records can tell us about the past climate.
Which term describes the area where apopulation lives?A. Age StructureB. Migration LocationC. Growth rateD. Geographic Distribution
Commonly the place where a population lives is described was a habitat, forming a biological community, however there is not an option with that term, but between the present terms the one that is closer to a term for the area where a population lives is D. Geographic Distribution, since all the other alternatives are related to different factors of ecological studies.
Please give me a essay of theory of evolution but please not copy paste is for a exam pleaseeee
The theory of evolution states that all the species evolve and change over time, the new species arose from the pre-existing ones and all these species have a common ancestor.
The theory of evolution was put proposed by Charles Darwin. He said that the changes accumulate and are visible into an individual over very long period of times. Darwin's theory was more inclined towards natural selection.
Ancestor is defined as the individual or the species from whom further progenies were formed. Ancestor is the common point for various different species that give us the idea about the evolution must have occurred such that various different species got formed.
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Which statement best summarizes the function of DNA?
-An RNA sequence hooks up with a particular DNA sequence.
-DNA consists of genes that give instructions for making proteins.
-O A single DNA molecule splits into two DNA molecules .
-Covalent bonds join smaller molecules into proteins.
Answer:
-DNA consists of genes that give instructions for making proteins.
what color do endospores and bacteria stain in an endospore stain
Answer:
Green!
Explanation:
what is cellular respiration and why it is essential for all living cells?
Answer:
Cellular respiration is a process in which glucose is broken down to produce ATP, or energy. This same energy is essential to all processes within the cell, powering almost everything.
I'm sorry I couldn't provide a better explanation :(((
the nusselt number for energy transport to a fluid flowing in a circular tube depends on group of answer choices the reynolds number and the grashof number. the reynolds number and the prandtl number. the biot number and the reynolds number. the grashof number and the prandtl number.
The Nusselt number is the ratio of convective to conductive heat transfer across a boundary.
Explain the given words
Nusselt number is the ratio of convection heat transfer to pure conduction heat transfer.Reynolds number is the ratio of the inertia to the viscous forces avting on a fluid. Prandtl number is the ratio of the momentum and thermal diffusivities.For a rectangular channel, the Nusselt number depends on the channel aspect ratio αc=a/b and the wall boundary conditions.This is how Nusselt number find its use.
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What would be the most likely effect if there was only type of side chain (R group) of an amino acid? (4 points)
The organism would not be able to make and store starches.
The organism would not be able to make more than one type of protein.
The organism would not be able to process glucose molecules effectively.
The organism would not be able to regulate the creation of specialized cells.
Answer:
The organism would not be able to make more than one type of protein.
Explanation:
All amino acids have a standard structure with variation in the R group. They have an amide functional group on one side, and a carboxyl functional group on the other side of the molecule.
The reason we have such diverse types of proteins in our cells is because there are different R groups across the twenty amino acids found in nature. These R groups contain additional elements and form different structures and functions, based on their properties.
If all R groups were the same, then all amino acids would be the same. This would result in only one type of protein, as all proteins are made of chains of amino acids.
explain how mutations cause variation in genes by creating a concept map of mutations that include point vs frameshift mutations, and silent missense and nonsense vs insertions and deletions.
Mutations can cause variations in genes by altering the base sequences in the nucleotide chains of the complex.
A single nucleotide in DNA can change in a point mutation. A point mutation is one that transforms the codon UUU into the codon UCU. Silent, missense, or nonsense mutations are all examples of point mutations.
A frameshift mutation is when one or more nucleotides are deleted or added, changing the base sequence's reading frame. Insertions add nucleotides, while deletions take them away. RNA contains the bases listed in the following order:
Start-asparagine-threonine-alanine (AUG-AAU-ACG-GCU)
Let's now assume that this sequence includes an insertion. Suppose a nucleotide A is added following the start codon AUG:
Start-lysine-tyrosine-glycine is abbreviated as AUG-AAA-UAC-GGC-U.
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give a scientific reason for the following (in) the presence of a large central vacuole in a plant cell
Answer: Plant cells are known to have bigger vacuoles than that of animal cells as they need to store food and water. This is because the plant don't possess the ability to move freely like that of animals.
Explanation:
high-frequency sounds activate neurons within the cochlea that are
High-frequency sounds activate neurons within the cochlea that are located near the base of the cochlea. The cochlea is a spiral-shaped structure.
The inner ear responsible for detecting sound vibrations and converting them into electrical signals that can be interpreted by the brain. The cochlea is divided into three fluid-filled chambers: the scala vestibuli, the scala media, and the scala tympani. Within the scala media, there is a specialized structure called the organ of Corti, which contains hair cells that are responsible for transducing sound vibrations into electrical signals.
The organ of Corti is arranged in such a way that high-frequency sounds are detected by hair cells located near the base of the cochlea, while low-frequency sounds are detected by hair cells located closer to the apex of the cochlea. Therefore, when high-frequency sounds enter the ear, they specifically activate the neurons near the base of the cochlea, resulting in the perception of high-pitched sounds.
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What happens to the covalent bond structure of water when it evaporates?
What happens is the hydrogen bonds connecting the water molecules together will break apart. Then the molecules will be in the gaseous state ... basically water vapor.
Draw a model of how the organism has changed in the last 50 years as a result of environmental changes.
Environmental changes can lead to evolution and adaptation of organisms, such as changes in physical and behavioral traits, but not all organisms may be able to adapt, leading to declines in population or extinction.
What are some examples of physical and behavioral changes that organisms may undergo in response to environmental changes?Organisms may develop new physical features, alter their metabolism, or change their behaviors to adapt to environmental changes.
How does environmental change affect the survival of organisms?Environmental change can put pressure on organisms, and those that are unable to adapt may experience declines in population or even extinction, while those that can adapt may survive and thrive.
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how are cardiac muscle cells similar to smooth muscle cells? how are cardiac muscle cells similar to smooth muscle cells? they lack striations. they are electrically linked to one another. they do not contain sarcomeres. they are branched.
Cardiac muscle cells and smooth muscle cells have differences and similarities.
Types of muscle cells:There are three types of muscle cells: Skeletal muscle cells, smooth muscle cells, and cardiac muscle cells. Skeletal muscle cells are the cells connected to the bones. Smooth muscle cells are located in various digestive tracts, blood vessels, uterus, etc., while cardiac muscle cells are specific to the heart.
Similarity in Cardiac muscle cells and Smooth muscle cells:Cardiac muscle cells and smooth muscle cells are electrically linked to one another.Cardiac muscle cells and smooth muscle cells are involuntary muscles. In other words, they contract without conscious control.Cardiac muscle cells and smooth muscle cells lack striations.Difference in Cardiac muscle cells and Smooth muscle cells:Cardiac muscle cells contain sarcomeres, while smooth muscle cells do not.Cardiac muscle cells are branched, while smooth muscle cells are not.To know more about skeletal muscle cells, visit:
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Which of the following best explains why a cell's plasma membrane is composed of two layers of phospholipids rather than just a single layer?
Answer: The hydrophilic tails are directed inward and the hydrophobic heads are directed outwards.
Explanation:
A phospholipid is made up of two ends a hydrophilic or water-loving end that is phosphate head and a hydrophobic tail that is made up of fatty acid tail. The arrangement of phospholipid in a bilayer structure allows the entry of oxygen, carbon dioxide, and lipids to pass through them via concentration gradient via simple diffusion.
Lipids are amphipathic molecules that compose the membrane. Membrane lipidic bilayers allow only the hydrophilic heads to interact with water inside and outside the cell, while hydrophobic tails remain in the interlayer space, away from water.
----------------------------------------------
Two lipidic layers compose the cell membrane. There are also proteins and glucans incrusted in between.
Since lipids are amphipathic molecules with hydrophilic heads -negatively charged phosphate group- and hydrophobic tails, they need to form two opposite layers.
Lipids are arranged with their hydrophilic polar heads facing the exterior and the interior of the cells in contact with water. Meanwhile, their hydrophobic tails are against each other, constituting the internal part of the membrane.
Membranes are fluid, meaning that lipids and proteins composing them can move laterally, transversally, or rotationally.
--------------------------------------
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Which property is shared by the cells of all living things?
Answer:
All living organisms (whether they are bacteria, archaea or eukaryote) share several key characteristics, properties or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation (including homeostasis), energy processing, and evolution with adaptation.
Explanation:
15 POINTSSSS. Below is a chart showing the component of a type of nucleic acid.
Which of the components bond directly with cytosine in a section double stranded DNA?
PLEASE HELP!!!
1.) What is the name of this diagram
2.) What happens at points 1 and 3?
The diagram is a cladogram, as the cladograms depict the evolutionary relationships and branching patterns among different organisms or groups of organisms and it is very helpful for the scientists to study the ancestors.
At point 1, and 3, the ancestor parents got diverted into two new speciations and forms 2 new species. It is also called divergent evolution. Cladograms contribute to the classification and organization of organisms into taxonomic groups. Cladogram assist in determining the hierarchical arrangement of species, genera, families, and other taxonomic ranks. On the other hand cladistics, the study of cladograms, that provides a systematic and logical approach to taxonomic classification based on the shared evolutionary characteristics and their common ancestry.
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How does the polar climate influence human life? please help.....
A. Travel during winter requires careful planning.
B. Humans have moved further south due to the weather.
C. Plentiful jobs bring people regardless of the climate.
D. Growing animal populations have forced humans from their land.
Answer:
B one? Please Mark it as brainlist answer.
Answer:
c
Explanation:
just because i know
How do monarchs warm up and stay warm?
Answer: Search Results
Featured snippet from the web
Monarchs can warm up by basking in the sun. Basking helps a monarch raise its muscle temperatures to flight threshold. When monarchs bask they open their wings and tilt them toward the sun. Like solar panels, monarchs capture the sun's energy by exposing the surface area of their wings directly to the sun.
Explanation:
They fly onto the sides of trees and huddle against one another.
How are doctors and paleontologists most similar?
Both diagnose injuries.
Both study bones.
Both look at preserved remains.
Both develop treatment plans.
Answer:
Both study bones.
Explanation:
The similarity between a doctor and paleontologist is that both study bones. A medical doctor deals with human life, a paleontologist studies the remains of preserved dead organisms in nature.
In both professions, it is common to encounter bones of the subject. A good knowledge of bone anatomy is important for recommendation of treatment. The bone structure can be used by a paleontologist to make very important deductions about how an organism once lived.
Answer:
both study bones
Explanation:
i just took the test home slice
What does currency mean? What does the information cycle have to do with currency?
Currency refers to the system of money that a country or region uses as a medium of exchange for goods and services. It can come in the form of coins, paper bills, or digital units of value. Currency is an essential aspect of modern economies and allows individuals and businesses to conduct transactions with one another.
It also plays a crucial role in international trade and exchange rates. The information cycle has a significant impact on currency because it affects the economic and political conditions of countries, which can cause fluctuations in exchange rates and impact the value of different currencies.
The flow of information about a country's economic health, political stability, and international relations is critical to understanding its currency's value and how it interacts with other currencies around the world. Therefore, keeping up with the information cycle is essential for investors, traders, and policymakers who want to make informed decisions about currency markets.
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When you change the amounts of greenhouse gases in the atmosphere, which factor(s) do you expect to change? (Circle your answer/answers.)
Heat flow in
Heat flow out
Temperature
Answer:
B-Heat flow out
Explanation:
When you change the amount of greenhouse gases the factor you expect to change is Heat flow out.
What is greenhouse gases?
The main greenhouse gases whose concentrations are rising are carbon dioxide, methane, nitrous oxide, hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs) and ozone in the lower atmosphere.
How many greenhouse gases are there?
There are ten primary GHGs; of these, water vapor (H2O), carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) are naturally occurring.
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Which statement is true about the Milky Way Galaxy?
It is an irregular galaxy.
New stars are not being created in it.
It is a spiral galaxy.
It contains no more than 100 million stars.
Explanation:
New stars are not being created in it
Corn snakes show variety in their skin color pattern. While the complete genetics of corn
snake color are complex, the most common colors on normal corn snakes—red and
black— are each coded by one gene.
For the red gene, the allele for the presence of red pigment (R) is dominant and the allele
for the absence of red pigment (r) is recessive. Likewise, for the black gene, the allele for
the presence of black pigment (B) is dominant and the allele for the absence of black
pigment (b) is recessive.
a. Draw the Punnett square for the cross of a snake that is homozygous dominant for
the red color with a snake that is heterozygous for the red color. What percentage
of the offspring is expected to have red pigment in their skin?
b. Draw the Punnett square for the cross of two snakes that are heterozygous for the
black color. What percentage of the offspring are expected to have black pigment
in their skin?
c. The parent snakes in part (b) that are heterozygous for black color are both
homozygous recessive for the red gene. Each parent has genotype rr for the red
gene. Based on this information, what percentage of their offspring are expected
to lack both the red and black pigments in their skin? Explain your reasoning.
Answer:
a. Punnett square for the cross of a snake that is homozygous dominant for the red color (RR) with a snake that is heterozygous for the red color (Rr):
```
| R | R |
----------------
| RR | RR | RR |
----------------
| Rr | Rr | Rr |
```
In this cross, all the offspring (100%) will have the red pigment in their skin because the presence of red pigment (R) is dominant over its absence (r).
b. Punnett square for the cross of two snakes that are heterozygous for the black color (Bb):
```
| B | b |
----------------
| BB | BB | Bb |
----------------
| Bb | Bb | bb |
```
In this cross, 75% of the offspring are expected to have black pigment in their skin (BB and Bb genotypes), and 25% of the offspring are expected to lack black pigment (bb genotype) due to the absence of the dominant black allele (B).
c. Both parent snakes are homozygous recessive for the red gene (rr), meaning they lack the red pigment. Since the red gene and black gene are independent of each other, the absence of red pigment does not affect the inheritance of the black pigment. Therefore, the percentage of offspring expected to lack both red and black pigments in their skin would be the same as the percentage of offspring lacking the black pigment (bb genotype) in the Punnett square from part (b). Thus, 25% of their offspring are expected to lack both the red and black pigments in their skin.
Remember what you learned about the South American plate. What
is the relative motion between this plate and the plates on the east
and west sides?
The relative motion between the South American and Nazca plates is generally characterized by subduction of the Nazca plate beneath the South American plate along the Peru-Chile Trench, which has caused a number of large earthquakes and volcanic eruptions in the region.
What is an earthquake?An earthquake is a sudden and violent shaking of the ground caused by the movement of tectonic plates in the Earth's crust.
A volcanic eruption is an event in which molten rock, ash, and gas are expelled from a volcano, typically accompanied by a range of explosive and non-explosive processes.
The South American plate is bordered by the Nazca plate to the west and the African and Antarctic plates to the east.
The relative motion between the South American and Nazca plates is generally characterized by subduction of the Nazca plate beneath the South American plate along the Peru-Chile Trench, which has caused a number of large earthquakes and volcanic eruptions in the region.
The relative motion between the South American and African/Antarctic plates is generally characterized by divergence, with the Mid-Atlantic Ridge marking the boundary between these plates.
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Which statement is FALSE about epigenetic modifications?
a. The tails of the nucleosome octamer components can be modified with methylation
b. The tails of the nucleosome octamer components can be modified with acetylation
c. Only non-DNA components of chromatin are modified with epigenetic markers
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin
The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.
Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.
a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.
b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.
In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.
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if the only assays you had available were the phenol red glucose, lactose, and sucrose assays, would you be able to distinguish e. coli from e. aerogenes? explain your answer.
Any sugar can be tested using a phenol red broth assay, not simply lactose and glucose. All enteric species (members of the family Enterobacteriaceae) are capable of fermenting glucose, which makes up the sugar in the methyl red broth.
The pH of the medium decreased as organic acids were generated by Escherichia coli from the original carbohydrate, which caused the indicator phenol red to tint the broth yellow. By examining how a gas bubble displaces the liquid in the Durham tube, it is possible to measure gas generation (G).Since the majority of the byproducts of the fermentation of carbohydrates are organic acids, phenol red is frequently utilised as a pH indicator in these experiments (8). The pH indicator bromocresol/bromcresol purple, however,
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