what are the roles of plate tectonics in the continental shelf?
Answers
Answer:
t
Explanation:
Answer:
A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water known as a shelf sea. Much of these shelves has been exposed during glacial periods and interglacial periods. The shelf surrounding an island is known as an insular shelf.
Explanation:
Related Questions
Which hormone functions to maintain pregnancy in mammals?
Answers
The hormone that functions to maintain pregnancy in mammals is progesterone. Progesterone is produced by the corpus luteum in the ovary after ovulation and helps to prepare the uterus for implantation of the fertilized egg. During pregnancy, progesterone is produced by the placenta to maintain the pregnancy and to prevent the uterus from contracting and expelling the developing fetus. Progesterone also helps to prepare the breasts for lactation.
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Which scenario correctly describes an interaction between the geosphere, hydrosphere, and atmosphere? A. a volcanic eruption produces carbon dioxide gas which is absorbed by an ocean.
B. Plants are eaten by primary consumers and converted to cellular energy through the process of cellular respiration.
C.Plants use water, carbon dioxide, and the energy from the sun to carry out the process of photosynthesis.
D.Ash from a volcanic eruption eventually settles into a layer in the Arctic where it is covered by new snowfall and is incorporated into a glacier.
Answers
Answer:
C. Plants use water, carbon dioxide, and the energy from the sun to carry out the process of photosynthesis.
Explanation:
In this scenario, the geosphere is represented by the plants, which are rooted in the Earth's surface. The hydrosphere is represented by the water that the plants use, and the atmosphere is represented by the carbon dioxide that the plants take in through photosynthesis. This interaction involves the exchange of matter and energy between the three spheres, with the plants using water, carbon dioxide, and sunlight to produce energy and oxygen.
In guinea pigs, the allele for a rough coat (R) is dominant over the allele for a smooth coat (r). A heterozygous guinea pig (Rr) and homozygous recessive guinea pig (rr) have a total of nine offspring. The Punnett square for this cross shows a 50 percent chance that any particular offspring will have a smooth coat.Explain how all nine offspring can have smooth coats.
Answers
In this crossing, all 9 offspring may exhibit smooth coats, as the presence of both heterozygous (Rr) and homozygous (rr) parents suggests a diminished frequency of chromosome recombination
How all nine offspring can have smooth coats?When a guinea pig with dissimilar alleles (Rr) is bred with a guinea pig possessing identical alleles (aa), the potential genotypes of the offspring comprise Rr and rr. Each genotype has an equal probability of manifesting in a particular generation, with a 50% chance for each.
In this crossing, a total of nine offspring may exhibit smooth coats, as the presence of both heterozygous (Rr) and homozygous (rr) parents suggests a diminished frequency of chromosome recombination. When genes are situated in close proximity on the chromosome, recombination events become infrequent, as indicated by this crossover scenario.
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A positively charged particle has great difficulty penetrating a target nucleus because the target nucleus has
1.a positive charge, which repels the particle
2.a negative charge, which attracts the particle
3.the protection of surrounding electrons
4.a very high binding energy
Answers
Answer:
4cycycyfyccucyctxycychctcycvyccyccyvyctx
Answer:
1) a positive charge which repels the particle.
Explanation:
YA WELCOME
what is the nucleotide sequence of the dna template strand from which it was transcribed?
Answers
I'll be happy to help you. The nucleotide sequence of the DNA template strand from which it was transcribed is an important aspect of transcription.
It is important to note that in transcription, a DNA strand is transcribed into an RNA strand. During transcription, the DNA strands are separated, and the RNA is made by reading the sequence of the DNA template strand. The RNA polymerase enzyme adds RNA nucleotides that are complementary to the nucleotides in the DNA template strand.Here is the nucleotide sequence of the DNA template strand from which it was transcribed:5'-ATG CGG TTA CCA CGA GTA GTC-3'Explanation:During transcription.
DNA template strand is transcribed to mRNA, which is a single-stranded molecule that is complementary to the DNA template strand. The sequence of RNA nucleotides added during transcription is determined by the sequence of nucleotides in the DNA template strand. Therefore, the nucleotide sequence of the DNA template strand is complementary to the mRNA sequence, but it is read in the 3' to 5' direction.
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15. Proteins are super important because they contain
Answers
Answer:
Hair and nails are mostly made of protein. Your body uses protein to build and repair tissues. You also use protein to make enzymes, hormones, and other body chemicals. Protein is an important building block of bones, muscles, cartilage, skin, and blood.
Explanation:
Answer:
Proteins contain amino acids
Explanation:
Amino acids combine to create proteins.
which term describes the mechanism of dna replication in which the newly made double-stranded dna contains one parental strand and one daughter strand?
Answers
The phrase "semiconservative replication" refers to the DNA replication process in which the newly formed double-stranded DNA contains both a daughter and a parent strand.
What is DNA and how does it work?The instructions required for a creature to grow, endure, and reproduce are encoded in its DNA. Nucleotide sequences must be transformed into instructions that can be utilized to create proteins, that are the large molecules that carry out the majority of the tasks in our bodies, in order to perform these activities.
Why is DNA important?DNA is crucial for inheritance, protein coding, for supplying guidelines for life or its activities in all living things. DNA regulates a person's or perhaps an animal's growth, reproduction, or final death. The average human cell has 23 sets of chromosomes, making it.
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How might rock layers be disturbed? *view answer choices”
Answers
Answer:
b
Explanation:
geologist
Answer:
when rocks titled or folded
In what cell structures are the genes in plant and animal cells
Answers
Answer:
Nucleus: The nucleus controls everything which takes place in the cell. It does this as it is the site of the cell's DNA. DNA contains the genetic code which is translated into proteins.
Explanation:
1 A change that affects the size, shape, or
color of a substance but does not affect its
composed
Answers
Answer: physical change
Explanation:
A chemical change will change the makeup of an object, a physical change just changes its looks.
help.
A person pushes a giant boulder with a force of 50N for 10min. The boulder moves 0cm. Use what you know about force, work, and acceleration to explain what happened.
Question 33 options:
500J of work was done because the person pushed for 10 min
The boulder moved 10m because the person pushed for 10 min
The person did a lot of work because s/he pushed with a high force
No work was done because the boulder was not displaced
Answers
Answer:
No work was done because the boulder was not displaced.
Explanation:
Even if a person is pushing with a force of 50N and for 10 min, zero work is done and there's no acceleration. Zero work means when the force or displacement on the object is equal to 0 J, and since the boulder never moved it would be 0 J. If the person was pushing with 50 N or even higher and the the object didn't budge, the velocity hasn't changed from rest and that would mean no acceleration occurred.
Standard NCES.7.L.2.1-Which parts of a cell determine the traits an organism inherits?
Group of answer choices
chromosomes
mitochondria
Golgi bodies
vacuoles
Answers
Answer:
Chromosomes
Explanation:
Chromosomes are structures within cells that contain a person's genes and genes carry the information that determines the traits an organism inherits.
El Niño is an event where the normally strong winds along the equator are much weaker than usual, causing warm surface water along the equator to pile up. Do these images represent a normal circulation pattern or an El Niño pattern? Explain your response.
Answers
Yes, because In 1997, El Niño had not spread as far across the equator in comparison to 2015. During an El Niño event, warm ocean waters accumulate in the central and eastern tropical Pacific, disrupting the normal atmospheric circulation patterns.
What is the El NiñoEl Niño refers to a climatic occurrence marked by the increase in temperatures of the ocean's surface in the central and east areas of the tropical Pacific Ocean. It has the potential to cause considerable changes in global weather phenomena.
The intensity and scope of El Niño occurrences differ annually. The year 2015 experienced a robust El Niño, which had significant and far-reaching impacts on weather systems around the world.
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Online bioinformatics tools make hydropathy analysis easy if you know the amino acid sequence of a protein. At the Protein Data Bank (www.pdb.org), the Protein Feature View displays additional information about a protein gleaned from other databases, such as UniProt and SCOP2. A simple graphical view of a hydropathy plot created using a window of 15 residues shows hydrophobic regions in red and hydrophilic regions in blue.
(a) Looking only at the displayed hydropathy plots in the Protein Feature View, what predictions would you make about the membrane topology of these proteins: glycophorin A (PDB ID 1AFO), myoglobin (PDB ID 1MBO), and aquaporin (PDB ID 2B6O)?
(b) Now, refine your information using the ProtScale tools at the ExPASy bioinformatics resource portal. Each of the PDB Protein Feature Views was created with a UniProt Knowledgebase ID. For glycophorin A, the UniProtKB ID is P02724; for myoglobin, and for aquaporin, Q6J8I9. Go to the ExPASy portal (hitp://web.expasy.org/protscale) and select the Kyte \& Doolittle hydropathy analysis option, with a window of 7 amino acids. Enter the UniProtKB ID for aquaporin (Q6J8I9, which you can also get from the PDB's Protein Feature View page), then select the option to analyze the complete chain (residues 1 to 263 ). Use the default values for the other options and click Submit to get a hydropathy plot. Save a GIF image of this plot. Now repeat the analysis using a window of 15 amino acids. Compare the results for the 7 -residue and 15 -residue window analyses. Which one gives you a better signal-to-noise ratio?
(c) Under what circumstances would it be important to use a narrower window?
Answers
(a) Based on the displayed hydropathy plots in the Protein Feature View, the following predictions can be made about the membrane topology of these proteins:
- Glycophorin A (PDB ID 1AFO) is likely to have one transmembrane domain, as indicated by the single hydrophobic region in red.
- Myoglobin (PDB ID 1MBO) is likely to be a soluble protein, as indicated by the lack of hydrophobic regions in red.
- Aquaporin (PDB ID 2B6O) is likely to have multiple transmembrane domains, as indicated by the several hydrophobic regions in red.
(b) After refining the information using the ProtScale tools at the ExPASy bioinformatics resource portal, the following observations can be made:
- The 7-residue window analysis for aquaporin (Q6J8I9) shows more fluctuations in the hydropathy plot, with several peaks and valleys.
- The 15-residue window analysis for aquaporin (Q6J8I9) shows a smoother hydropathy plot, with fewer peaks and valleys.
- The 15-residue window analysis gives a better signal-to-noise ratio, as it provides a clearer picture of the overall hydrophobic and hydrophilic regions of the protein.
(c) A narrower window would be important to use when analyzing a protein with a small number of amino acids, as it would provide a more detailed view of the hydropathy plot.
It would also be important to use a narrower window when analyzing a protein with closely spaced hydrophobic and hydrophilic regions, as it would provide a more accurate representation of the membrane topology.
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How the cat's systems work together to respond to the stimuli in this case the cucumber?
Answers
The cat's various systems work together to detect and respond to stimuli such as a cucumber, helping them to survive and navigate their environment.
What is the role of a cat's endocrine system in stressful situations?The cat's endocrine system, which includes the production and release of hormones, can also play a role in their response to stimuli. In response to stress, the adrenal glands release the hormone cortisol, which can increase the cat's heart rate and blood pressure, making them more alert and ready to respond.
Cats, like other animals, have various systems that work together to respond to stimuli such as a cucumber.
When a cat detects a stimulus such as a cucumber, their nervous system immediately responds by sending electrical signals to the brain, which processes the information and sends out a response. The cat's sensory system, which includes their eyes, ears, nose, and whiskers, helps to detect the presence of the cucumber and provides information about its location, size, and shape.
The cat's muscular system also plays a crucial role in responding to the stimulus. When the cat perceives a potential threat, their muscles will tense up, ready to spring into action. In the case of a cucumber, the cat may exhibit a startle response, which involves a rapid contraction of the muscles followed by a jump or a leap.
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If the a and b loci are 36 cM apart and an AA BB individual and
an aa bb individual mate: What gametes will the F, individuals
produce and in what proportions?
Answers
The final answer F1 individuals will produce the following gametes in the following proportions:
- 50% Ab
- 50% aB
If the a and b loci are 36 cm apart and an AA BB individual and an aa bb individual mate, the F1 individuals will produce the following gametes in the following proportions:
- 50% Ab
- 50% aB
This is because the a and b loci are 36 cM apart, which means that there is a 36% chance of a crossover occurring between these two loci. If a crossover occurs, the F1 individual will produce Ab and aB gametes.
If a crossover does not occur, the F1 individual will produce AB and ab gametes. However, since the parents are AA BB and aa bb, the F1 individuals will only inherit one copy of each allele from each parent, and therefore will only produce Ab and aB gametes.
The proportions of these gametes will be 50% Ab and 50% aB, as the chance of a crossover occurring is 36%, and the chance of a crossover not occurring is 64%. Therefore, the F1 individuals will produce 50% Ab gametes and 50% aB gametes.
Overall, the F1 individuals will produce the following gametes in the following proportions:
- 50% Ab
- 50% aB
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Byproducts of metabolism are retained, leading to cell membrane damage. The number of cells contained within an organism is preset for life expectancy. When researching biologic theories related to aging, which statements are receiving increased acceptance?
Answers
When researching biologic theories related to aging, the statements that are receiving increased acceptance include: Byproducts of metabolism are retained, leading to cell membrane damage. The number of cells contained within an organism is preset for life expectancy.
Why do we age?
The aging process is a complex phenomenon that involves changes in biological, physiological, and social aspects of human beings. Scientists have studied various biologic theories related to aging to understand why and how aging occurs. The two main theories that are gaining increased acceptance are the Wear and Tear Theory and the Programmed Theory.
According to the Wear and Tear Theory, the accumulation of damage due to environmental factors, such as toxins and other chemicals, can cause the body to wear down over time. As byproducts of metabolism are retained, they can lead to cell membrane damage. This theory assumes that the body's ability to repair itself decreases with age and that the accumulated damage eventually causes the body to fail.
The Programmed Theory, on the other hand, assumes that the number of cells contained within an organism is preset for life expectancy. Aging is therefore a result of the programmed failure of cells to divide and replicate after a certain number of times. This theory suggests that aging is a natural and inevitable part of the life cycle.
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The two biological theories related to aging which are receiving increased acceptance are the free radical theory and the mitochondrial theory of aging.
The free radical theory of aging is a biological theory, which says that an organism's life span is determined by the number of free radical reactions that occur within the cells of the organism. Free radicals are chemically active atoms or molecules that contain unpaired electrons.
These molecules are highly reactive and can cause oxidative damage to cellular structures including lipids, proteins, and DNA. This damage accumulates over time, leading to cellular dysfunction and ultimately to age-related diseases.
The mitochondrial theory of aging: The mitochondrial theory of aging is another biological theory that states that mitochondrial DNA damage accumulates with age.
Mitochondria are the organelles responsible for producing ATP (adenosine triphosphate) - the energy molecule of the cell. During this process, free radicals are produced which damage mitochondrial DNA.
As mitochondrial DNA accumulates damage over time, energy production decreases leading to cellular dysfunction and aging.
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Which term represents all of the genetic information within a cell?a. Codon
b. Genome
c. Phenotype
d. Gene
Answers
The term that represents all of the genetic information within a cell is genome. The correct answer is option b.
The genome is the total DNA content found in an organism or cell. It is the complete genetic makeup of an organism or species. It is composed of all the genetic material in an organism's chromosomes, including DNA sequences that code for genes and those that don't, as well as sequences that control gene expression and other traits.
Each genome contains all of the information required to create an organism and control its functions. The genome is organized into chromosomes, which are responsible for storing and organizing the DNA.
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Besides relative humidity, identify another weather variable of the air in the classroom
that may be determined by using both temperature readings on the hygrometer.
Answers
The hygrometer calculates the relative humidity in the air as a percentage.
How are relative humidity levels determined?
In meteorological science, hygrometers are devices that measure the humidity, or the amount of water vapour in the air. To measure humidity, hygrometers of many major types are employed.
What are the two thermometers and how are they different from one another?
An infrared thermometer's digital sensor or a mercury-in-glass thermometer's bulb are two examples of temperature sensors that vary in response to temperature, and a visible scale is an example of a means to translate this change into a numerical number.
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what happens to the carbon and oxygen from CO2 after it has been removed from the air by the plant via photosynthesis
Answers
Answer:
Plants absorb carbon dioxide from the air and use it to feed themselves in the process called photosynthesis. The carbon dioxide, through tiny pores called stomata, reaches the leaves of the plant. ... The factory emits Oxygen, or O2, into the ambient air until the process is finished.
Explanation:
After the removal of CO2 from air by the plant, then Carbon would be absorbed by plant, Oxygen will be emitted into the air.
Photosynthesis can be regarded as the process which involve the use of sunlight , carbon dioxide and water by plant, so that to oxygen can be created as we as energy in the form of sugar.After the absorption of the CO2 from atmosphere by plant through the stomata, the plant convert it into carbon and oxygen, and the oxygen will be released to the air.Therefore, the process is called Photosynthesis
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In which phase of mitosis do sister chromatids separate into chromosomes?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Answers
Answer:
In which phase of mitosis do sister chromatids separate into chromosomes?C. Anaphase
What is anaphase?Anaphase is the fourth phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.
Explanation:
You're welcome.
all of the following are characteristics of the majority of animal species except which one? a. have four limbs b. are bilaterally symmetric c. are heterotrophic d. have muscle tissue
Answers
Have four limbs as not all animal species have four limbs. Some animals such as snakes, fish and birds do not have four limbs; some have more than four limbs while others have none. The correct answer is A.
The majority of animal species share several characteristics that differentiate them from plant life. They include:
Bilaterally symmetric: The majority of animal species exhibit bilaterally symmetric characteristics. This means that they can be divided down the middle to produce two mirrored halves.
Heterotrophic: Animals require energy from an external source, meaning they must feed on other organisms to survive. This is in contrast to plants, which create their food through photosynthesis.
Muscle tissue: Muscles are a critical component of animal life and are used to move the body, as well as to circulate blood and nutrients throughout the body.
Nervous tissue: Nervous tissue is a critical component of animal life. It is responsible for receiving sensory input and sending signals to the rest of the body, which allows animals to react to their environment.
Most animals also have an external or internal skeleton that provides structural support, a digestive system to break down food, and a circulatory system to transport nutrients and oxygen.
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UNIT 3: Force, Motion, Energy
Lesson 1: Speed, Velocity, and Acceleration
RM 12
Distance vs. Time
50
40
B
E
30
Distance (m)
20
10
с
D
2
4.
6
8
10
Time (sec)
1. Between which two points does the object stop?C
Answers
Answer:
its d
Explanation:since the number is low
Which of the following is not a principle of natural selection?
Answers
Answer: The last one on the bottom i'm in biology
The statement which is not a principle of natural selection is, in every population, adaptations allow some organisms to survive and reproduce better than others. So, the correct option is D.
What do you mean by Natural selection?Natural selection is the process through which populations of living organisms adapt and change their needs as per nature.
The given statement gives the idea of adaptation rather than natural selection. Natural selection gives the idea of competing for limited resources. Natural selection always leads to the most favorable types of variation that an individual possess.
Therefore, the statement which is not a principle of natural selection is, in every population, adaptations allow some organisms to survive and reproduce better than others.
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The diagram represents a dihybrid cross between two pea plants that are heterozygous for both seed color and seed shape.
What is the phenotypic ratio of the offspring?
- 1:1:1:1:2:2:2:2:4
-1:3:3:9
-1:4
-4:12
Answers
Answer:4:12
Explanation:
This question already provides you with the punnet square, genotypes resulting from the cross, and phenotypes resulting from the cross. Simply count the number of green phenotypes (the green circles), and compare them to the number of yellow phenotypes (yellow circles), and you get 4 green for every 12 yellow.
A new species of living thing is discovered. The cell theory states that which of the following must be true about this new living thing?
Answers
Answer:
The last one and the first one.
hope I could help you pls give this answer a hart thx
Explanation:
pongids: a. are incapable of walking bipedally b. can walk bipedally only by holding on to branches with their arms c. are capable of bipedal locomotion, but inefficiently d. are, in fact, habitually bipedal
Answers
One of the earliest adaptations made by hominids was bipedalism, and there are several theories as to how the human ancestors acquired it. One of them claims that after a group of our ancestors started living in Savannah habitats, bipedalism emerged (open areas covered with grasses). The Savannah lineages didn't have many trees to climb, so the upright posture let them see predators in the distance. Other lineages remained in the forests, where they could use the treetops and branches for protection and to collect food.
The second theory links the use of tools to the evolution of human bipedalism. The two forelimbs are free to explore the environment, aid in the use of tools, and even gather food while moving because a species does not move on all four limbs.
With this knowledge, we can conclude that bipedalism gave the human race a free arm to build technology and allowed them to move more slowly while walking, among other benefits.
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Type the correct answer in the box. Spell all words correctly.
Which fungus affects the American chestnut?
Cryphonectria parasitica
fungus affects the American chestnut.
Answers
Answer:
the white pine blister rust (a fungus caused by Cronartium ribicola) killed native white bark and limber pine trees.
Explanation:
1 pts
Question 30
7.3 Muscle cells require a great amount of energy. Which would you expect to find
in large numbers in muscle cells?
O vacuoles
o mitochondria
O centrioles
O endoplasmic reticulum
o ribosomes
< Previous
Next
Quiz saved at 10:20 am
Submit u
Answers
Answer:
Mitochondria
Explanation:
Mitochondria are the power house of cell which produce ATP
An instructor is describing a specific area on a cell membrane where most drugs are thought to act. the students demonstrate understanding of this information when they identify this area as what?
Answers
An instructor is describing a specific area on a cell membrane where most drugs are thought to act. The students demonstrate an understanding of this information when they identify this area as a receptor site.
Receptor sites are proteins generally found on the plasma membrane of cells, receptor sites are capable of identifying and binding to specialized molecules.
Receptor proteins are categorized by their location. Transmembrane receptors comprise ligand-gated ion channels, enzyme-linked hormone receptors, and G protein-coupled receptors.
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