Figure 11-1
In which part of the cell does this process shown in Figure 11-1 take place?
Answers
Answer:
The correct answer is - in the ribosomes.
Explanation:
The translation is the process that takes place in the ribosomes attached to the endoplasmic reticulum where they decode the codons present in the form of the mRNA to the amino acid chain with the help of tRNA.
Ribosomes are called the factory of the protein. It involves triplet code to translate into the amino acid sequences to produce polypeptide chains or protein.
Thus, the correct answer is - in the ribosomes.
Related Questions
if we continued to follow the cell lineage from question 5 then the DNA content of a single cell at metaphase of meiosis II would be
Answers
If we continue to follow the cell lineage from question 5, then the DNA content of a single cell at metaphase of meiosis II would be halved from the original amount of DNA in the parent cell. This means that each daughter cell produced by meiosis II will contain half the number of chromosomes and half the amount of DNA as the parent cell.
Meiosis is a cell division process that occurs in sexually reproducing organisms. During meiosis, a diploid cell (one that has two sets of chromosomes) divides into four haploid cells (each containing only one set of chromosomes). There are two stages of meiosis, meiosis I and meiosis II.
In meiosis I, the homologous chromosomes pair up and exchange genetic material, resulting in the formation of two haploid cells that are each genetically distinct from the parent cell. In meiosis II, the sister chromatids of each chromosome separate, resulting in the formation of four haploid cells that are each genetically unique.
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A student reads that Cnidarians have two layers of tissue during development.
Which answer describes a possible tissue layer?
A)deuterostome
B)ectoderm
C)radial
D)pseudocoelom
Answers
Answer:
it is ectoderm
Explanation:
what step can be skipped when preparing a specimen for light microscopy?
Answers
When preparing a specimen for light microscopy, the step that can be skipped is fixing.
A specimen is a substance or object used to depict, analyze, and sample a larger substance or population. It is usually a fraction of a substance or material that has been studied in a more comprehensive study. Specimens are used in scientific and medical research to evaluate, diagnose, or make predictions about the rest of the subject's constituents. They are collected from a broad range of subjects, from animals to plants to minerals.
A light microscope is a magnifying instrument that utilizes visible light to magnify and illuminate tiny specimens. The lens and the light sources are the two main components of a light microscope. Light microscopes come in two types, including simple and compound microscopes. Simple light microscopes are one of the earliest forms of microscopes, and they work by utilizing a single lens to magnify the sample. Compound microscopes, on the other hand, utilize two lenses that work together to magnify the sample.
To prepare a specimen for a light microscope, a number of steps must be taken, including fixation, sectioning, staining, and mounting.
A specimen must be mounted on a slide before it can be examined with a light microscope. A cover slip is then put on top of the slide to protect the specimen. This step cannot be skipped as it is a critical part of preparing the specimen for light microscopy.
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State 8 differences between sexual and asexual reproduction
Answers
➩Reproduction:
Reproduction is a process by which living organism produce new organisms of same species (of their own kind)
Reproduction is neccessary for the survival and increase in population of species. It ensures continuity of various species on earth. In simple words if organisms will not reproduce there population will decrease and species will become extinct.
➽Mainly there are two types of Reproduction
(i) Sexual reproduction
(ii) Asexual reproduction
➩Sexual Reproduction
→ In sexual reproduction two individuals are involved to produce a new individual (male and female)
→The entire reproduction process takes longer time and more energy.
→ Population increases relatively slowly.
→ It involves more variations.
→ Species can adapt to an environment which changes.
→This leads to evolution.
→ For example:Homosapiens(Human beings)
classify each description as a property of dna only, rna only, or both dna and rna.
- has primary function of storing and transferring genetic information - found throughout the cell - contains the sugar ribose
- directly codes for amino acids - double-stranded - contains the base cytosine - polymer made up of nucleotides - contains the base thymine
Answers
The descriptions can be classified as follows:
1. DNA only
2. Both DNA and RNA
3. RNA only
4. Both DNA and RNA
5. DNA only
6. Both DNA and RNA
7. Both DNA and RNA
8. DNA only
1. The primary function of storing and transferring genetic information is a property of both DNA and RNA.
2. Both DNA and RNA are found throughout the cell.
3. The sugar ribose is a characteristic of RNA only.
4. Directly coding for amino acids is a property of RNA only.
5. Being double-stranded is a property of DNA only.
6. Both DNA and RNA contain the base cytosine.
7. Being a polymer made up of nucleotides is a property of both DNA and RNA.
8. The base thymine is present in DNA only.
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what is the extracellular matrix changes and symptoms of scurvy and connective tissue?
Answers
Answer:
composed of ground substance and fibers
Explanation:
The extracellular matrix of connective tissue is composed of ground substance and fibers. In ordinary connective tissue, the ground substance consists mainly of water. The principal fiber type is collagen (the most abundant protein in the body), with elastic fibers as a minor element.
Answer:
The extracellular matrix of connective tissue is composed of ground substance and fibers. In ordinary connective tissue, the ground substance consists mainly of water. The principal fiber type is collagen (the most abundant protein in the body), with elastic fibers as a minor element.
Explanation:
what have you learned about DNA
Answers
Answer:
1.) DNA means deoxyribonucleic acid.
2.) DNA stores biological information.
3.) Two strands of DNA wrap around each other like a twisted ladder.
4.) Watson and Crock discovered DNA.
5.) DNA can be copied.
3. Are vaccines available to prevent HIV and cancers?
(3)
Answers
There is currently no vaccine available that will prevent HIV infection or treat those who have it. However, scientists are working to develop one.
How does competition limit the amount of individuals in populations?
Answers
Answer:
Due to competition, many animals starve, many become prey, etc.
Explanation:
how do the two sets of muscles work together to make air enter the lungs
Answers
Answer:
Here you go
Explanation:
downward toward the abdomen, and the rib muscles pull the ribs upward and outward. This makes the chest cavity bigger and pulls air through the nose or mouth into the lungs.
Disruptive selection may play a stronger role in ___________ as compared to other types of speciation.
stabilizing speciation
allopatric speciation
sympatric speciation
divergent speciation
autopatric speciation
Answers
Disruptive selection may play a stronger role in sympatric speciation as compared to other types of speciation.
What is sympatric speciation?Sympatric speciation is a form of speciation that occurs within the same geographical location or space. It can occur in a variety of ways, including through disruptive selection, polyploidization, and habitat specialization.The role of disruptive selection in sympatric speciation
Disruptive selection can play a stronger role in sympatric speciation as compared to other types of speciation because it involves selection pressures that favor the divergence of subpopulations that occupy the same geographical location. Disruptive selection occurs when the extreme phenotypes of a population are more advantageous than the intermediate phenotypes.
As a result, the intermediate phenotypes are selected against and the extreme phenotypes become more prevalent in the population over time. This process can lead to the formation of distinct subpopulations that are reproductively isolated from each other, ultimately leading to sympatric speciation.
Overall, disruptive selection is a key mechanism that can drive evolutionary divergence and lead to the formation of new species in sympatry.
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Which of the following steps of the cell cycle in eukaryotes are NOT found in prokaryotes? 1. DNA replication 2. chromosomes condense, align along the metaphase plate and are pulled to opposite poles of the cell 3. cytoplasm is divided 4. two daughter cells form from the original cell a 1 b 2. C 3 d 4
Answers
The main step of the cell cycle in eukaryotes that is NOT found in prokaryotes is chromosomes condense, align along the metaphase plate, and are pulled to opposite poles of the cell, option (2) is correct.
This is part of mitosis, which is a characteristic feature of eukaryotic cell division. Prokaryotes lack the complex machinery and structures required for mitosis. Instead, prokaryotes undergo a simpler form of cell division called binary fission.
During binary fission, the prokaryotic chromosome replicates, and the two copies move to opposite ends of the cell. The cytoplasm then divides, and two daughter cells form from the original cell. Therefore, DNA replication, cytoplasm division, and two daughter cell formation are common to both eukaryotes and prokaryotes, option (2) is correct.
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The complete question is:
Which of the following steps of the cell cycle in eukaryotes are NOT found in prokaryotes?
1. DNA replication
2. chromosomes condense, align along the metaphase plate and are pulled to opposite poles of the cell
3. cytoplasm is divided
4. two daughter cells form from the original cell
the release of hormones by the posterior pituitary is the result of what process?releasing hormones from the hypothalamus directs the production and release of oxytocin from the posterior pituitary.the release of regulatory hormones increases activity in the adrenal medulla, altering the activity of the posterior pituitary.neurosecretory cells of the hypothalamus directly release hormones into blood vessels within the posterior pituitary.hypothalamic neurons form synapses on the adrenal gland, which in turn regulates the pituitary.the anterior pituitary regulates the activity of the posterior pituitary gland.
Answers
The release of hormones by the posterior pituitary is the result of the neurosecretory cells of the hypothalamus directly releasing hormones into blood vessels within the posterior pituitary.
What are neurosecretory cells?Neurosecretory cells are nerve cells that produce and secrete hormones into the bloodstream. In the hypothalamus, specialized neurosecretory cells known as neuroendocrine cells make and secrete hormones that regulate the body's growth, metabolism, reproduction, and response to stress.
What is the function of the posterior pituitary gland?The posterior pituitary gland is a pea-sized structure located at the base of the brain that releases hormones such as oxytocin and antidiuretic hormone (ADH) into the bloodstream, which are created by the hypothalamus and transported to the posterior pituitary via a system of nerves called the hypothalamic-pituitary portal circulation.
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is determining sex through chromosomes a random genetic event?
Answers
choose the analysis of the following word: biocide example: 'biologist'/bio-log-ist
Answers
The analysis of the word 'biocide' is "bi-o-cide."
Biocide is a term that refers to a chemical or biological agent that can destroy living organisms such as bacteria, fungi, viruses, and parasites. Biocide is also known as biopesticide. It is a blend of two Greek words, bios meaning "life" and cide meaning "kill," thus biocide means "life-killing."
An analysis is the process of separating something into its constituent elements to comprehend its nature, structure, and interrelationships. An analysis can also refer to the study of a word's structure by dividing it into smaller components.Breaking down the word biocide into its constituent components gives:bi-o-cideWhere "bi-" means "life," "o-" means "of," and "cide" means "kill." Thus, the word biocide refers to a substance that kills living things.
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The body fluid of sharks has a much lower concentration of sodium chloride than that of the surrounding seawater, and yet they are able to remain in osmotic equilibrium with the external environment. How can this be the case? A. Sharks store enough urea in their bloodstream to match the total solute concentration of the surrounding seawater. B. Sharks are osmoregulators. C. Sharks maintain high levels of sodium chloride in their skin. D. Sharks drink large volumes of seawater to compensate for the low salt concentration of their body fluids. E. None of the answer options is correct.
Answers
Which is true for urochordates? *
Answers
Which of these organic molecules function to help speed up biological reactions?
Answers
Answer:
c
Explanation:
10)
What is point source pollution of an aquatic ecosystem?
A)
pollution of freshwater sources
B)
pollution from many sources that combine into one
pollution that occurs over a wide area; water that runs off from fields,
parking lots, and other land surfaces
D)
pollution that can easily be identified with a single discharge source, such
as an open pipe which drains into a body of water
Answers
Answer:
D
Explanation:
the point if of water pollution can be easily identified
How are leaves and roots similar? (Select all that apply.)
A. both contain xylem
B. both contain a pistil
C. both contain phloem
D. both contain stomata
Answers
Answer:
Similarity: Both stems and roots contain vascular tissue (xylem and phloem), the circulatory system of the plant.
In this example, a flower can either express the dominant trait (R), red petals, or the recessive trait (r), yellow petals. If two heterozygous flowers are crossed, what are the chances of there being an offspring with yellow petals?
25%
50%
75%
100%
Answers
Answer:
25%
Explanation:
Since there are 2 flowers, start with 50% and 50% to make it simple. And since the red is dominant, it's stronger than yellow. So instead of them being equal chances, it's 75% to 25%. Hope this helped!
The U.S. government has made it illegal for fossil fuels to receive tax breaks in order to be competitive
in the marketplace
a. True
b. False
Answers
Answer:
a
Explanation:
https://en.wikipedia.org/wiki/Fossil_fuel_regulations_in_the_United_States
Please complete the passages about marine ecosystems. A(n) is a brackish-water ecosystem located at the mouth of a river. Tides have a heavy influence on this ecosystem. Mangrove trees dominate this ecosystem in the tropics, but a variety of salt-tolerant, herbaceous plants dominate at middle and high latitudes. Primary productivity is high because nutrient-rich sediments fuel plant growth. This ecosystem is also the world's most endangered marine ecosystem due to threats from human settlement. A(n) ecosystem is found in temperate and polar waters where the water temperature does not exceed 20 °C (68 "F). Large algae that form "forests" dominate this ecosystem. The algae only grow in water shallower than 50 m (165 ft). Pacific sea otters play a key role in this ecosystem. People often call - ecosystems the rainforests of the sea because of their extraordinary biodiversity. This ecosystem requires clean, well-lit water between 18 °C and 30 °C (64 °F and 86 "F). Approximately 4,000 species of marine fish use this ecosystem at some point in their life cycles. Flowering plants that resemble grasses dominate ecosystems. This type of ecosystem is most common in tropical waters, but is found in temperate waters as well. Some animals, such as green sea turtles, manatees, and the dugong graze in this ecosystem. Please complete the passages about marine ecosystems. A(n) estuary this o domi ecosy is a brackish-water ecosystem located at the mouth of a river. Tides have a heavy influence on es dominate this ecosystem in the tropics, but a variety of salt-tolerant, herbaceous plants atitudes. Primary productivity is high because nutrient-rich sediments fuel plant growth. This most endangered marine ecosystem due to threats from human settlement. seagrass meadow mangrove forest A(n) ecosystem is found in temperate and polar waters where the water temperature does not exceed 20 °C kelp forest (165 at form "forests" dominate this ecosystem. The algae only grow in water shallower than 50 m y a key role in this ecosystem. mangrove forest Peopl estuary ecosystems the rainforests of the sea because of their extraordinary biodiversity. This beach and rocky shore 11-lit water between 18 °C and 30 °C (64 °F and 86 "F). Approximately 4,000 species of marine ne point in their life cycles. mangrove forest Flowering plants coral reef to ecosystems. This type of ecosystem is most animals, such as green sea turtles, manatees, and common in tropical waters, but is found in tempe kelp forest the dugong graze in this ecosystem. estuary seagrass meadow
Answers
An estuary is a brackish-water ecosystem located at the mouth of a river. Tides have a heavy influence on this ecosystem. Mangrove trees dominate this ecosystem in the tropics, but a variety of salt-tolerant, herbaceous plants dominate at middle and high latitudes. Primary productivity is high because nutrient-rich sediments fuel plant growth. This ecosystem is also the world's most endangered marine ecosystem due to threats from human settlement.
A kelp forest ecosystem is found in temperate and polar waters where the water temperature does not exceed 20 °C (68 °F). Large algae that form "forests" dominate this ecosystem. The algae only grow in water shallower than 50 m (165 ft). Pacific sea otters play a key role in this ecosystem. People often call kelp forest ecosystems the rainforests of the sea because of their extraordinary biodiversity. This ecosystem requires clean, well-lit water between 18 °C and 30 °C (64 °F and 86 °F). Approximately 4,000 species of marine fish use this ecosystem at some point in their life cycles. Flowering plants that resemble grasses dominate seagrass meadow ecosystems. This type of ecosystem is most common in tropical waters but is found in temperate waters as well. Some animals, such as green sea turtles, manatees, and the dugong graze in this ecosystem.
In summary, an estuary ecosystem is a brackish-water ecosystem dominated by mangroves or salt-tolerant plants. It is highly productive but also highly threatened. A kelp forest ecosystem is characterized by large algae growing in shallow, temperate waters and is home to a wide variety of species. Seagrass meadow ecosystems are dominated by flowering plants and support a diverse range of marine life, including grazing animals. Each of these ecosystems plays a vital role in marine biodiversity and highlights the importance of their preservation.
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If a cellular homogenate were subjected to differential centrifugation, which of the following would be expected to pellet first? A. the endoplasmic reticulum B. mitochondria C. the cytosol D. nuclei
Answers
A cellular homogenate is a mixture of cellular components such as organelles, membrane fragments, and cytosol. Answer D is incorrect because nuclei would pellet out before the endoplasmic reticulum.
A cellular homogenate is a mixture of cellular components such as organelles, membrane fragments, and cytosol. The procedure that isolates these components is called centrifugation. Homogenates are spun at a low speed, which produces a pellet of the largest and densest components such as nuclei and organelles, while cytosol and smaller organelles remain in the supernatant. The procedure is repeated several times, each time increasing the speed and duration of the spin to separate progressively smaller and lighter organelles and molecules. Therefore, if a cellular homogenate were subjected to differential centrifugation, the first organelles to pellet out would be the larger and denser ones, which are nuclei and mitochondria. The cytosol will remain in the supernatant. Thus, options A and B are incorrect. Answer D is incorrect because nuclei would pellet out before the endoplasmic reticulum. Therefore, the correct answer is option B mitochondria.
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. What does Carbon Dioxide do to the Earth's temperature?
Answers
Carbon dioxide is a greenhouse gas that absorbs and radiates heat, so it traps additional heat and raises Earth's temperature
what is the approximate maximum population size for moose in the isle royale simulation under a normal growing season and without any wolves present on the island? while the exact number that you saw in your simulation my not be an option, select the option that comes closest to what you saw in your simulation.
Answers
The approximate maximum population size for moose in the Isle Royale simulation under a normal growing season and without any wolves present on the island is around 900. During the Isle Royale simulation, it was observed that when wolves were removed from the ecosystem, the population size of the moose increased to its carrying capacity and then experienced a decline due to starvation. Without predators, the moose population increased exponentially and consumed all of the available resources until they were depleted, which resulted in a decline in the population size.
Therefore, the approximate maximum population size for moose in the Isle Royale simulation under a normal growing season and without any wolves present on the island is around 900. This number comes close to what was observed in the simulation, as the moose population reached its carrying capacity before declining due to starvation. It is essential to maintain a balance between predators and prey to ensure the sustainability of an ecosystem and prevent the depletion of resources.
In conclusion, the absence of wolves in the Isle Royale simulation led to an exponential increase in the moose population until it reached its carrying capacity of approximately 900. However, the subsequent depletion of resources caused a decline due to starvation.
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. Which statement most accurately explains how the author analyzes the
relationship between vacation time and productivity in the article "Vacation and
Presenteeism"?
A. The author relies on the words of European employers and Americans working in
Europe.
B. The author combines information on current vacation policies with statistics on
worker productivity.
C. The author provides a series of anecdotes relating how more vacation time
produces more efficient workers.
D. The author fully discusses Americans’ attitudes towards their jobs and contrasts
these attitudes with European attitudes towards vacations.
Answers
Answer:
D. The author fully discusses Americans attitudes towards their jobs and contrasts these attitudes with European attitudes towards vacation.
Explanation:
The author has tried to present the two different attitudes of the people of two different countries on the vacation. The American have different attitudes towards the vacation. They feel excited when there is vacation while the people in European countries prefer a day off rather than long vacations.
Which components make up the cardiovascular system?
lungs, heart, and blood vessels
heart, blood vessers, and blood
heart, blood, and lungs
lungs, heart, and skin
Answers
Answer:
heart blood vessels and blood
Answer:
Heart, blood vessels, and blood
Explanation:
The heart pumps blood around the body, the blood vessels transport the blood, and the blood is the blood itself
What factors do you think have contributed to the growing wolf populations?
Answers
Hope this helped, have a great day <3
How are conifers, gymnosperms, and angiosperms alike? (Select all that apply.)
A)They all produce flowers.
B)They are all vascular plants.
C)They all produce seeds.
D)They depend on water for fertilization.
Answers
Answer:
A
Explanation: