Answers
Answer:
the answer is D
Explanation:
it is better explain and it could pullout water
Related Questions
Bacteria in the tropical rainforests ___________.
A. Make many animals sick
B. Make many plants sick
C. Add nutrients to the soil
D. Add disease to the biome
Answers
Bacteria in the tropical rainforests add nutrients in the soil.
What are the functions of nutrients?A nutrient is a substance used by an organism to survive, grow, and reproduce. The requirement for dietary nutrient intake applies to animals, plants, fungi, and protists.
Nutrients are chemical compounds in food that are used by the body to function properly and maintain health. Examples include proteins, fats, carbohydrates, vitamins, and minerals.
A nutrient is a substance required by the body for survival, growth, and reproduction. In other words, nutrients are what give us energy and allow our bodies to perform their essential functions. Every organism on our earth needs nutrients; they are necessary for life.
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how does mRNA help in transcription process?
Answers
Answer:
The process of making mRNA from DNA is called transcription, and it occurs in the nucleus. The mRNA directs the synthesis of proteins, which occurs in the cytoplasm. mRNA formed in the nucleus is transported out of the nucleus and into the cytoplasm where it attaches to the ribosomes.
Explanation:
definition for necessary components ?
Answers
Answer:
Necessary components are elements or ingredients that are essential for something to exist or work properly.
Explanation:
This is an example of radioactive isotopes in fossils
Answers
Carbon-14 is an example of radioactive isotope in fossils.
What are radioactive isotopes?Radioactive isotopes can be used to date fossils, as well as rocks and other geologic materials. The technique is called radiometric dating, and it involves measuring the levels of isotopes in a sample. Isotopes are variants of a chemical element that have the same number of protons but different numbers of neutrons in the nucleus. Some isotopes, known as radioactive isotopes, have unstable nuclei that emit particles and energy over time in a process called radioactive decay.
Radioactive isotopes such as Potassium-Argon and Uranium-Lead dating can also be used to date fossils and rocks.
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• Analysis of hemoglobin proteins obtained from an individual with Sickle Cell Anemia (SCA) has been shown to contain the following amino acid sequence. Using the information from part (A), identify which of the DNA sequences is normal and which is mutated, justifying your choice.
• Sickle Cell Hemoglobin Analysis: Met – Val – His – Leu – Thr – Pro – Val
Answer-
Answers
Sickle Cell Anemia (SCA) is caused by a single point mutation in the beta-globin gene, which results in the substitution of a single amino acid in the hemoglobin protein.
Based on the amino acid sequence provided, we can conclude that the DNA sequence in the beta-globin gene is mutated, as it codes for Val at the 6th position, rather than the normal GAG.
What is the Sickle Cell Anemia about?The normal beta-globin gene codes for the amino acid glutamic acid at the 6th position (coded for by the GAG codon), while in SCA the mutated beta-globin gene codes for valine at the same position (coded for by the GTG codon).
In the hemoglobin protein sequence provided, the 7th amino acid is listed as Val, which suggests that the corresponding codon in the beta-globin gene is GTG. This is the mutated version of the beta-globin gene that is responsible for SCA, while the normal version of the beta-globin gene would code for GAG at this position.
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Base pair
Nucleus
Chromosome
Gene
From smallest to biggest
Answers
Answer:
Base pair - smallest
Gene
Chromosome
Nucleus - largest
Question 5
1 Q) Which of the following best describes an ecosystem?
1) A list of all plant and animal species found in the California desert
2) All of the white-tailed deer in a forest
3) Sunlight, temperature, rainfall, water sources in an area
4) An entire rainforest, including all biotic and abiotic factors
2 Q) Which of the following happened after wolves were removed from Yellowstone's ecosystem?
1) Biodiversity dramatically increased
2) The elk overgrazed the habitat vegetation of other species
3) Biodiversity was unaffected
4) The elk population rapidly decreased
3 Q) Which features are used to describe a biome?
1) Climate, wildlife, and vegetation
2) Longitude and latitude
3) Common name, scientific name, and conservation status
4) Bacteria, Archaea, and Eukarya
4 Q) Which statement is correct about biomes?
1) They represent large geographic areas
2) They all have about the same species richness
3) Water biomes are not as complex as land biomes
4) Biomes can be as small as a pond
5 Q) Which of the following is the largest biome on earth by area?
1) Tundra
2) Marine
3) Temperate Grassland
4) Desert
Answers
Answer:
1 Q) Which of the following best describes an ecosystem?
4) An entire rainforest, including all biotic and abiotic factors
2 Q) Which of the following happened after wolves were removed from Yellowstone's ecosystem?
2) The elk overgrazed the habitat vegetation of other species
.3 Q) Which features are used to describe a biome?
1) Climate, wildlife, and vegetation4
Q) Which statement is correct about biomes?
1) They represent large geographic areas
5 Q) Which of the following is the largest biome on earth by area?
)3 Temperate Grassland
10. Which of the following organelles is involved in the
digestion of other worn-out organelles?
A. Lysosome
B. Endosome
C. Golgi apparatus
D. Rough endoplasmic reticulum
Answers
Answer:
Lysosome. A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts.
Answer:
A. Lysosome
Explanation:
A lysosome is a membrane-bound cell organelle that contains digestive enzymes. Lysosomes are involved with various cell processes. They break down excess or worn-out cell parts.
Why is PTC important to be passed on in animals and humans?
Answers
Answer:
PTC (phenylthiocarbamide) is important to be passed on in animals and humans because it is a gene that determines the ability to taste certain bitter compounds. This gene helps to determine which foods are safe to eat, as some bitter compounds are toxic and can be dangerous if consumed.
Explanation:
how is the information between our dna structured
Answers
The similarly alongside the cladogram you move,the greater variations in DNA the organisms have compared to the common ancestor.
What is cladogram?A cladogram has been an evolutionary tree that diagrams the ancestral relationships amongst organisms. DNA sequence analysis of the hemoglobin alpha gene shows that humans and chimpanzees have a more similar sequence to each other than they do to the gorilla’s DNA sequence.
Analogies structure has been body parts that have a similar function but differ in structure. All vertebrate embryos have a tail and gill slits at some point during embryonic development.
Therefore, The similarly alongside the cladogram you move,the greater variations in DNA the organisms have compared to the common ancestor.
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Question 6(Multiple Choice Worth 3 points)
(04.01 MC)
Starting with the European settlers, humans have introduced earthworms from Europe and Asia into North American forests. These introductions continue through the transport of soil that contains non-native earthworms, such as during construction and through the release of non-native earthworms used for fishing. The effects of non-native earthworms are especially large in forests that did not have any native earthworms. For example, forests of the Great Lakes region did not previously have earthworms until humans introduced them. When non-native earthworms are introduced, the thick layer of leaves, known as leaf litter, covering the ground disappears quickly, thereby altering biogeochemical cycles.
Which of the following correctly traces a nutrient pathway in a Great Lakes forest that is invaded with non-native earthworms?
trees → leaf litter → earthworm → atmosphere
leaf litter → earthworm → soil → trees
bird → earthworm → soil → trees
earthworm → fungi → leaf litter → trees
Answers
The correct trace nutrient pathway in a Great Lakes forest that is invaded with non-native earthworms is leaf litter → earthworm → soil → trees. The correct option is B.
What is a nutrient pathway?When there is an oversupply of food, nutrient-sensing pathways activate anabolism and storage, and when there is a shortage of food, homeostatic mechanisms including the mobilization of internal stores via mechanisms like autophagy are triggered.
Human metabolic illnesses frequently exhibit altered nutrient-sensing mechanisms.
Therefore, the correct option is B, leaf litter → earthworm → soil → trees.
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Answer:C
Explanation:
makes sense
Next week produces a heat wave in Prince George's County. Most scientists would say:
A. Global warming is the cause
B. Human activity is the cause
C. Local temperatures over one week tell us more about weather than climate
D. Our climate is getting warmer
Answers
I need the answers for 123
Answers
The cell membrane is a thin, semi-permeable barrier that surrounds the cytoplasm of a cell.
1) There are two of movement across the cell membrane.
2) Diffusion refers to the movement of molecules randomly, the use of energy.
3) Active diffusion refers to the movement of molecules that dash the use of energy.
Explain Diffusion.
Diffusion is the process of molecules moving from an area of higher concentration to an area of lower concentration. This process occurs naturally and does not require the use of energy. Active diffusion, on the other hand, is the process of molecules moving from an area of higher concentration to an area of lower concentration, but it requires the use of energy. Active diffusion is usually facilitated by proteins embedded in the cell membrane that act as transporters. These transporters use energy to move molecules across the membrane, either into or out of the cell.
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Which of the following scenarios will decrease the genetic variation of a population? (1 point)
O a mutation in a chromosome makes it more likely to undergo genetic recombination
O a population of birds suddenly decrease their frequency of sexual reproduction
O an individual works out, increasing their muscle mass
O a mutation alters the sequence of a gene resulting in a new allele
Answers
Answer:
(Q1). Which of the following scenarios will decrease the genetic variation of a population?
(answer). a population of birds suddenly decrease their frequency of se×ual reproduction
(Q2). Two of the main drivers of genetic variation are mutations and genetic recombination. During which process can these two events occur?
(answer). meiosis
(Q3). If a fish is able to breathe outside of water but does not reproduce, that trait
(answer). does not impact evolution.
(Q4). In which of the following scenarios would evolution by natural selection take place?
(answer). Penguins reproduce se×ually, producing offspring that look different from one another
(Q5). Which type of environment would tend to reduce genetic variation in a population because of evolution by natural selection?
(answer). an old growth forest with trees that are over 1,500 years old
Explanation:
these are the correct answers for the (Genetic Variation and Evolution Quick Check) 2022
The scenario that will decrease the genetic variation of a population is a population of birds suddenly decreasing their frequency of procreation.
What do you mean by Genetic variation?Genetic variations may be defined as the presence of differences in sequences of genes between individual organisms of a species.
Mutations always lead to an increase in the genetic diversity among individuals. While decreasing the rate of crossbreading may decline the rate of genetic diversity.
Therefore, the scenario that will decrease the genetic variation of a population is a population of birds suddenly decreasing their frequency of gender reproduction. So, the correct option is B.
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The image shows a section of a root tip of Broad Bean with cells from the region of cell division, just behind the root cap. Five
cells have been numbered (1-5). Which statements accurately describe the mechanism by which the cells ensure that
chromosomes are passed successfully to the next generation? Select ALL that apply.
A)
Cell 1 lacks chromosomes and cannot contribute genetic material to future
cells.
Cells 4 and 5 have recently divided and have a cell plate that formed
between them
B)
c)
D)
Cell 3 is providing a mechanism for increasing genetic diversity in the
daughter cells.
Cell 2 is undergoing anaphase to separate the duplicated chromosomes to
opposite poles of the cell.
Cells 4 and 5 have recently divided and are now haploid, containing half of
a full set of chromosomes after division
E)
Answers
Answer:
The answer is B and D
Explanation:
I just did it
Answer:
b and d
Explanation:
I just did it on USA test prep
Which term defines a well-supported, explanation of an occurrence of a natural phenomenon?
Ο Α.
OB.
O c.
O D.
hypothesis
bias
observation
theory
Answers
Answer:
A theory.
Explanation:
A theory is an explanation that has been supported by reliable and valid evidence. It is the most well-supported explanation of an occurrence of a natural phenomenon.
In Darwin's thinking, the more the more closely related two different offspring organisms are related, the
more similar their habitats are.
more similar they are in size.
less similar their DNA sequences are.
more recently they shared a common ancestor.
less likely they are to have the same genes in common.
Answers
Answer:
The more recently they shared a common ancestor
Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Despite spinning in a full circle, Ravi manages to
avoid hitting any objects and drives away unharmed. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation
of which of the following?
O sympathetic nervous system
O parasympathetic nervous system
O thyroid gland
O somatic nervous system
O pancreas
Answers
Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation due to Symphthetic nervous system.
What is Symphathetic nervous system?Autonomic nervous system includes the sympathetic nervous system. It might be referred to as your "automatic" nervous system because it controls a variety of processes that don't require conscious thought.
The ability of your sympathetic nervous system to react to risky or stressful conditions is its most well-known function.
When this happens, your sympathetic nervous system kicks in to help you escape danger by increasing your heart rate, pumping more blood to areas of your body that need it, and other responses.
Therefore, Ravi is driving her car, hits a patch of ice, and momentarily loses control of the vehicle. Ravi experiences a surge of adrenaline and a racing heartbeat to due to the activation due to Symphathetic nervous system.
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Soil formation is also called __________.
A)
compaction
B)
arcology
C)
pedogenesis
D)
tillage
E)
sedimentation
Answers
Answer:
C. Pedogenisis
Explanation:
The soil formation process is termed 'pedogenesis'. Climatic conditions are important factors affecting both the form and rate of physical and chemical weathering of the parent material.
Use the drop-down menus to identify which bacterial shape applies.
✔ Bacillus
A (rod-shaped)
✔ Spirillum
B (spiral-shaped)
✔ coccus
C (spherical)
coccus
Staph infection
Spirillum
Cholera
Bacillus
E. coli
(An5wers Included)
Answers
Answer:
Use the drop-down menus to identify which bacterial shape applies.
✔ Bacillus
A (rod-shaped)
✔ Spirillum
B (spiral-shaped)
✔ coccus
C (spherical)
✔ coccus
Staph infection
✔ Spirillum
Cholera
✔ Bacillus
E. coli
Bacterial forms are of great importance in determining survival, pathogenicity, and virulence.
What is a Bacterium?Bacteria are single-celled organisms that do not have a defined nucleus or membranous organelles. They can be classified according to their shape, with the most common shapes being
SphericalRod and spiral.What are The Bacterial forms? Bacillus = A (rod-shaped)Spirillum = B (spiral-shaped)coccus = C (spherical)Spirillum = CholeraBacillus = E. coliWith this information, we can conclude that the bacterium forms say a lot about your life form.
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Consider the following scenario - You’ve read about how air pollution can result in acid rain and now you’re wondering how it may affect the plants in your garden.
Hypothesis: _____
Independent Variable: _____
Dependent Variable: _____
Constants: _____
Control Group: _____
Experimental Group: _____
(Please solve each for me) :0
Answers
Hypothesis; Air pollution does affect the plants in the garden.
Independent variable; Quality of air
Dependent variable; Outcome of the plants
Constants; Kind of soil and nutrients
Control groups; Plants in unpolluted environment
Experimental group; Plants in polluted environment.
What is an experiment?When we are talking about an experiment, it has to be know that we are looking at the interplay of the variables that are involved. We are just looking at the influence of one of the variables on the other. As we change one of the variables, there is an effect also that we see on the other variable that is involved in the experimet.
The variable that we have to manipulate in the experiment is the one that we call the independent variable and as we manipulate this variable, we are going to see that there would be a change in the other variable that we call the dependent variable of the experiment.
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To reproduce, female elephants produce eggs and male elephants produce sperm offspring are produced by the fusion of an egg with sperm cell. Which statement is true about the offspring
Answers
Answer:
that females have eggs and males have sperm cells
Answer:
Explanation:
The first part seems right.
Bood volume and blood pressure can be stimuli for the release of vasopressin, changes in osmolarity serve as the strongest stimulus.
a. True
b. False
Answers
Answer:
a. True
Explanation:
Vasopressin is a peptide hormone, synthesized in the hypothalamus, that has a strong effect on the kidney, cardiovascular homeostasis, and on the body generally, especially responding to changes in osmolarity of the blood.
Just like every other hormone, vasopressin is a hormone released on-demand, based on the state of the body, the need, its capability to solve a problem. It has its target organ and function. Changes in osmolarity cause kidneys to reabsorb water into the blood is the strongest stimulus responsible for the release of vasopressin. Vasopressin is also stimulated in response to blood volume and blood pressure.
Interpret the Punnett square for Cross #2 to determine the predicted ratio of black, chocolate, and yellow puppies in the F1 generation.
People have been involved with the raising and breeding of domesticated plants…
Answers
According to the information, the ratio of black, chocolate, and yellow puppies in the F1 generation is found to be 3: 1: 4.
What is Punnett square?The Punnett square may be defined as a type of table through which all of the possible outcomes for a genetic cross between two individuals with known genotypes are given.
When a yellow female with genotype Bbee is crossed with a black male with genotype BbEe. It produces offspring with the genotypes BBEe, BbEe, BBee, Bbee, BbEe, bbEe, Bbee, and bbee in the F1 generation. But the phenotype of yellow is determined by the presence of homozygous ee allele. While black color B is dominant over the chocolate color, b.
Therefore, according to the information, the ratio of black, chocolate, and yellow puppies in the F1 generation is found to be 3: 1: 4.
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1. Smoking may damage the respiratory system because deposits from the smoke can
A. interfere with ciliary action in the trachea
B. trigger the release of antigens by the alveoli
C. block the transmission of impulses that regulate breathing
D. lower blood pressure in the mucous membranes of the bronchioles
Answers
Answer: A. interfere with ciliary action in the trachea
Explanation: I took this before and got it right.
Smoking can damage the respiratory system by damaging air sacs and alveoli.
Explanation:
Option A is correct.
The trachea is made up of ciliated pseudostratified columnar epithelium. and the smoke deposits can damage cilia and can eventually destroy them.
Cilia keep the respiratory tract clear and as they are damaged in smokers, it can lead to cough and are also at high risk of contracting pneumonia.
Option B is correct
Smoke can contribute to the aggravation of inflammatory response, contributing to the development of chronic obstructive pulmonary disease (COPD).
It can increase the release of cytokinins and trigger viral infections.
Option C is correct
Excess tobacco can block sympathetic and parasympathetic nerve impulses and can affect the normal breathing mechanism.
Option D is false
Smoking can increase blood pressure and causes hypertension.
What had a nucleus ?
Answers
Answer:
The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.
Use the scenario to answer the question.
A student decides to test the effects of watering on plants. She chooses 6 tomato plants and places all of them in the same part of a garden with plenty of space between them. They get the same amount of sunlight and the same amount of fertilizer each day. She gives each plant a different amount of water, with the first plant getting no water and the others getting 200 mL, 400 mL, 600 mL, 800 mL, and 1,000 mL. She records the total height of the plants each day for 3 weeks.
What is the independent variable in this experiment?
Answers
Amount of water would be the independent variable in this case.
What is Independent variable?An independent variable is a factor that you deliberately change or control to see what effect it has. Variables that respond to changes in the independent variable are called dependent variables. It depends on the independent variable. Independent variables are plotted on the x-axis.
In a scientific experiment, an independent variable is a variable that is altered or under control. It symbolizes the root cause or motivation behind a result.
The variables that the investigator modifies to test their dependent variable are known as independent variables. The dependent variable changes as a direct result of changes in the independent variable.
Therefore, Amount of water would be the independent variable in this case.
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In a multistep biochemical pathway, the first enzyme necessary for the synthesis of the amino acid tryptophan is inactivated with increasing levels of tryptophan and reactivated as tryptophan levels decline. This is an example of
- receptor mediated endocytosis.
- autolysis.
- irreversible damage.
- irreducible complexity.
- feedback inhibition.
Answers
Answer: Irreducible complexity
Explanation:
Irreducible complexity can be defined as characteristic of complex system it is impossible to reduce the complexity of the system by removal of any parts to maintain the functionality of the system. The given situation is an example of irreducible complexity. The increased levels of tryptophan will inactivate the synthesis process but it is again reactivated when the levels decreases this is suggestive of the fact that it is impossible to reduce the complexity of the system.
What would the mRNA codon be if DNA was ATC?
Answers
Which of these choices is the main purpose of human culture?
A. To build museums and theaters for the public
B. To survive by working together
c. To make others think the same way we do
D. To get along with people in other societies
Answers
Answer:
Which of these choices is the main purpose of human culture?
A. To build museums and theaters for the public
B. To survive by working together
c. To make others think the same way we do
D. To get along with people in other societies
answer:
D. To get along with people in other societies
The main purpose of the human culture is to get along with people in other societies. Every culture is developed on the aim to mold people with good values. Therefore, option D is correct.
What are the impacts of human cultures ?Humans are incredibly adept at adjusting to new settings through a complex combination of cultural and genetic changes. Yet, mechanistically, we understand nothing about these activities.
A person's values, beliefs, attitude, appreciation of the arts and sciences, modalities of perception, thoughts, and activities all have an impact on their culture.
In this sense, culture describes how a person interacts with their surroundings, how they behave, and how their thoughts and perceptions are shaped, all of which have an impact on how well they get along with their surroundings.
With a workforce that was less diverse, things were much easier to manage. However, globalization has completely changed the situation, emphasizing the cultural variations inside the firm that have an impact on its performance.
Hence, our culture must teach us to get along with people in other societies as well. Thus, option D is correct.
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