Answer:
Wow this is almost a year ago, anyway if u see this have a nice day :D
Explanation:
Gametes produced by an organism contain a combination of genes from that organization. In every gamete, this combination is -
Answer:
In every gamete, this combination is haploid.
Explanation:
When we talk about gametes, we refer to specialized haploid cells for reproduction. It is these cells that unite in fertilization and originate a new being and they are, therefore, that carry the characteristics that must be passed on to a new generation. A haploid cell has only one set of chromosomes (n), while diploid cells have two sets of chromosomes (2n).
Human gametes are sperm and eggs. Sperm are male reproductive cells and are formed in seminiferous tubules, a region of the testicles. Men, after puberty, produce sperm continuously until the end of life. The sperm formation process is called spermatogenesis.
Female gametes, in turn, are eggs, more correctly called oocytes or secondary oocytes. These cells are produced in the female ovary, inside the ovarian follicles. Unlike men, female gametes are still produced in embryonic development and, subsequently, undergo a maturation phase. The woman normally releases eggs at puberty until menopause. The process of forming the female gamete is called ovogenesis or ovulogenesis.
Name the prefix for bone
Answer:
OSSI
Explanation:
Organization in which different cells are specialized for different functions, but each cell works alone, is characteristics of
A.cell-level organization
B.tissue-level organization
C.organ-level organization
D.organ system-level organization
Explanation:
B. tissue - level organization
What is the role of the structure shown here during protein synthesis?
A) mRNA delivers codons from DNA in the nucleus
B) mRNA attaches to the ribosome
C) rRNA forms ribosomes
D) tRNA transports amino acids from the cytoplasm to the ribosome for translation
Answer:
D) tRNA transports amino acids from the cytoplasm to the ribosome for translation
Explanation:
The structure illustrate the transfer ribonucleic acid or tRNA.
The tRNA contains the anticodon in the form of amino acids and as such, it transports the amino acids from the cytoplasm where it is located to the ribosome during protein synthesis.
On getting to the ribosome, the anticodon on the tRNA binds with the codons on the mRNA and this results into the translation of the respective amino acids.
The translated amino acids are then linked together by a peptide bond to complete the process of protein synthesis.
Which of the following could be true of two different species that have a competitive relationship in the same ecosystem?
A: one species preys on the other
B:the relashionship is mutually beneficial
C:they share the same niche
D.one species benefits while the other is neither helped or harmed
Answer:
The correct option is C) they share the same niche.
Explanation:
In biology, a competitive relation can be described as a relation in which one organism competes with the other one for resources like food, water etc. They might be feeding on the same prey and hence, will have to fight for their food. Most likely, these organisms will belong to the same niche where there will be a scarcity of a resource for which they would be fighting. Hence, C is the correct option.
what all of the factors that are the same in both the experimental group and the control group
Answer:
hope this makes sense
Explanation:
In an experiment, data from an experimental group is compared with data from a control group. These two groups should be identical in every respect except one: The difference between a control group and an experimental group is that the independent variable is changed for the experimental group, but is held constant in the control group.
In an experiment, the factors that are the same in both the experimental group and the control group are called controlled variables. These variables are kept constant across all treatment and control groups to ensure that the only difference between the groups is the experimental manipulation.
Explanation:In an experiment, the factors that are the same in both the experimental group and the control group are called controlled variables. These variables are kept constant across all treatment and control groups to ensure that the only difference between the groups is the experimental manipulation. Controlled variables help to eliminate confounding factors that could affect the results of the study.
For example, let's say you are testing the effect of fertilizer on plant growth. The controlled variables would include factors such as the type of soil, amount of sunlight, temperature, and watering schedule. By keeping these variables the same in both the experimental and control groups, you can isolate the effect of the fertilizer on plant growth.
Which is one of the bases found in DNA?
Answer:
a, c, t, g
Explanation:
uracil (u) is in place of t in rna
What happens to the image if you try to magnify it using 40X or 100X *
Answer: It gets bigger
Explanation:
Name of the organ systems that you use for walking from the front of the school yard
Answer:
Leg
hope so , joint
may be
Explain how the wound healed itself over time
Skin injuries initiate a healing process involving blood clot formation and cell repair stages.
The first step involves the formation of a blood clot that stops bleeding. Various cells participate in repairing the wound, with fibroblasts aiding in collagen replacement and angiogenesis promoting new blood vessel growth.
HELP! 50 POINTS!! WRITE IN YOUR OWN WORDS! WILL MARK BRAINLIEST
Evolution is sometimes a controversial topic. Write a paragraph (minimum 5 short paragraphs) including the following:
What is your opinion about evolution?
Do you think there should be a controversy?
Do you think alternatives to evolution should be taught in schools?
Why or why not?
Answer:
Evolution in my opinion is something that is up to the individual to believe. The theory of evolution has neither been proven or disproven. I think there should be a controversy so that we can either prove the theory, or disprove it and think of a different theory. Teaching alternatives in school would be a great idea. It would let the student derive for themselves which one they think is more accurate.
Explanation:
How does increasing the size of the habitat affect carrying capacity? Explain your answer. Recall the scenarios: 0-15, Little land, 15-30 years, Moderate land; 30-45 years, Ample land.
Answer:
The maximum number of a particular kind of species that a habitat can hold is termed as the carrying capacity of that place. The carrying capacity depends on the availability of resources present in an area. If the population of a species goes beyond the carrying capacity, then the organisms will compete for food and other resources.
When the size of a habitat is increased, the carrying capacity will increase. This is because there will be more space and resources to feed more species. As there will be more resources, even the growth of plants will be more in that area.
Answer:
The carrying capacity of a habitat is the maximum number of organisms a habitat can sustain over a long period of time. Carrying capacity is dependent on the number of resources available in an area. Therefore, if the resources available increase, the population of that organism will also increase. In the three scenarios we tested how the population of rabbits changed over time with different amounts of land. When there was little land, the rabbit population was consistent, never exceeding 100. As we changed the setting to moderate land, we saw a population growth of around 2.3% (around 230). Lastly, when there was ample land, the rabbit population reached its height at around 430.
Cell Energy Gizmo
4. Compare: How are the inputs and outputs of photosynthesis and respiration related to one another?
Answer:
The input of photosynthesis is the vise versa of respiration. This means that the input of photosynthesis is the output of respiration. The input of respiration is the output of photosynthesis.
The over all reaction of photosynthesis can be written as :
6 CO2 + 6 H2O + light → C6H12O6 + 6 O2
The overall reaction of respiration can be written as:
C6H12O6 + 6O2 --> 6CO2 + 6H2O + ATP
These reactions are opposite of one another. The reactants of one of these are the products of the other one.
In the biological processes of photosynthesis and respiration, the output products of one process serve as inputs for the other, creating a vital interconnected cycle in ecosystems. This is a core concept in the Cell Energy Gizmo.
Explanation:In biology, one can observe a sort of 'recycling system' when looking at photosynthesis and respiration. Photosynthesis, which primarily occurs in plants, transforms light energy into chemical energy, creating glucose and oxygen as outputs. This process takes carbon dioxide and water as inputs.
On the other hand, respiration, predominately in animals, is essentially the reverse of photosynthesis. It uses glucose and oxygen as inputs to release energy needed for cellular functions, and outputs carbon dioxide and water. Hence, the output products of photosynthesis serve as inputs for respiration and vice versa. This interconnected cycle plays a vital role in the earth's ecosystem.
This relationship is one of the important concepts in the content-loaded Cell Energy Gizmo which illustrates how energy cycles and flows in living systems.
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stion 5
An increase in carbon dioxide in the atmosphere will MOST likely
affect which type earth activity?
complete
hts out of
Select one:
O
a. Volcanic eruption frequency
Flag
estion
O
b. Mantle convection rate
O
c. Cave formation rates
O
d. Earthquake frequency
Check
Next pa
Answer:
An increase in carbon dioxide in the atmosphere will MOST likely affect C: Cave formation rates .
Explanation:
"Carbon-di-oxide" is an important gas which 'controls' the Earth's temperature. CO2 including methane are greenhouse gases which absorb a lot of energy and then re-emit it. Without these gases, earth would get frozen. But, if these gases are in excess, then temperature of earth would rise like that of Venus, up to 400 degree Celsius.
If CO2 increases, there will be an increase in cave formation activity. Rain water takes CO2 from the air and penetrates in the soil. This results in formation of "limestone" as 'carbonate' accumulates in the soil. This forms 'cave of limestone' with the help of 'groundwater' as limestone dissolves easily in water.
Answer:
Less build up of ice at poles
Explanation:
The increase of carbon dioxide will increase global warming, which will cause the global temperature to increase, and cause less ice poles because of the high temperature.
Yabine is studying energy from food in her nutrition class. She learns that fats, proteins, and carbohydrates can store different amounts of energy because they have different chemical
Answer:
She learns that fats,proteins and carbohydrates can store different amount of energy because they have different chemical structure or construction.
Explanation:
Carbohydrate,protein and fat differ in their chemical structure.
Carbohydrates are the polyhydroxy aldehydes or polyhydroxy ketones.Proteins are the polymer of amino acids joined by peptide linkage whereas fats are the monomer of fatty acid.
Monosaccharide,amino acids and fatty acid differ in their chemical and biochemical structure and also contain different number of carbon atoms.
That"s why carbohydrate,protein and fat can store different amount of energy.
Carbohydrates, lipids, and proteins are energy-yielding nutrients that the body breaks down into molecules small enough to be absorbed and converted to ATP. These nutrients can be obtained from plant and animal foods and can sustain life for several weeks.
Explanation:The energy-yielding nutrients are primarily carbohydrates and lipids, while proteins mainly supply the amino acids that are the building blocks of the body itself. You ingest these in plant and animal foods and beverages, and the digestive system breaks them down into molecules small enough to be absorbed. The breakdown products of carbohydrates and lipids can then be used in the metabolic processes that convert them to ATP. Although you might feel as if you are starving after missing a single meal, you can survive without consuming the energy-yielding nutrients for at least several weeks.
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Which of the following is not a typical pattern found in the Earth system?
a. rock cyclo
b. water cycle
carbon cycle
d. calcium cycle
Please select the best answer from the choices provided
Ooo
Answer:
D. calcium cycle
Calcium cycle is not a typical pattern found in the Earth system. :)
Create a Punnett square to solve the following sex-linked inheritance problem (remember to use the sand
ss a male who does not have hemophilia with a woman who does hoy
Hemophilia is a sex-linked recessive trait. Cross a male who does not have hemophilia with
hemophilia. What is the probability of the following:
Male children with hemophilia:
Male children without hemophilia:
Female children with hemophilia:
Female children that are carriers for hemophilia:
Answer AND Explanation:
Let H represent gene for normal blood clotting and h for haemophilia.
XH Y
Xh XHXh XhY
Xh XhXH XhY
Male children with hemophilia: 50%
Male children without hemophilia: 0 %
Female children with hemophilia: 0%
Female children that are carriers for hemophilia: 50%
After a natural disaster such as a hurricane or tornado, what will happen in the damaged ecosystem?
A) Nothing; it will remain uninhabited.
B) A new, different ecosystem will evolve.
C) An ecosystem like the previous one will be re-established.
D) No one really knows what to expect after a natural disaster.
Answer:
C
Explanation:
C. It's right.
Answer:
An ecosystem like the previous one will be re-established
Explanation:
which of the following is not a fossil fuel
Answer:
wood
Explanation:
Which of the following is NOT an advantage of hydroelectric power?
A. It is clean, safe, and efficient.
B. It does not contribute to air pollution.
C. Only certain locations are suitable for building a dam.
D. Water is naturally renewed by the water cycle.
Answer: C is the correct answer, only certain locations are suitable for building a dam.
Explanation:
Consider this animal cell. The organelles in an animal cell are labeled. Which organelle is labeled A?
Final answer:
The label 'A' in an animal cell diagram usually indicates the nucleus, which houses DNA and regulates gene expression, but without seeing the image, it's not possible to confirm this. The nucleus is one of many specialized organelles in animal cells.
Explanation:
Within an animal cell, various membrane-enclosed organelles perform specialized functions. If you are referring to the label 'A' in a diagram of an animal cell, it commonly points to the cell's nucleus, although without the actual image it's impossible to be certain. The nucleus is a central organelle that contains the cell's genetic material (DNA) and controls the cell's activities by regulating gene expression. The mitochondrion, often called the powerhouse of the cell, generates adenosine triphosphate (ATP), which is the energy currency of the cell. Animal cells also contain other specific organelles such as lysosomes and centrosomes that are not found in plant cells.
The organelle labeled A in the image is the nucleus.
The nucleus is the most important organelle in a eukaryotic cell, as it houses the cell's genetic material (DNA). The nucleus is typically the largest organelle in an animal cell and is surrounded by a double membrane called the nuclear envelope. The nuclear envelope has pores that allow for the transport of materials into and out of the nucleus.
Some of the functions of the nucleus:
Stores the cell's DNA
Controls the cell's gene expression
Produces ribosomes
The nucleus is essential for cell growth, division, and differentiation. Without a nucleus, a cell would not be able to function properly.
How is a dihybrid Punnett Square different from a monohybrid Punnett square?
Answer:
A dihybrid cross tracks two traits. Both parents are heterozygous, and one allele for each trait exhibits complete dominance. A monohybrid cross is a breeding experiment between P generation (parental generation) organisms that differ in a single given trait.
Answer:
Dihybrid shows more phenotypes
Explanation:
For a monohybrid cross, individual alleles are used, whereas for a dihybrid cross, pairs of alleles are used. A Punnett square for a monohybrid cross is divided into four squares, whereas a Punnett square for a dihybrid cross is divided into 16 squares.
Carbon dioxide made by cells leaves your body through the respiratory
system by moving from the
A. alveoli to the bronchi to the bronchioles
B. bronchi to the bronchioles to the nose
C. trachea to the bronchi to the bronchioles
D. bronchioles to the bronchi to the trachea
Answer:
The answer is D
Explanation:
After gaseous exchange take place in alveoli, unwanted gases such as CO2 will move from alveoli -> bronchioles -> brochi -> trachea -> nose .
2. Human skin is constantly producing new cells through cell division. How does this happen? During interphase, how does a cell prepare for division? Describe cell division, including the processes of mitosis and cytokinesis. Be sure to describe the mitotic steps.
Answer:
The skin cells are continuously being made through the process of mitosis. Mitosis can be described as a process by which all cells of the body continue to divide, except for the sex cells. The process of mitosis produces identical daughter cells as the parent cell.
During interphase, cells replicate it's DNA before starting the process of mitosis. Organelles and proteins are produced during this phase which are needed for cell division.
Cell division can be described as a process by which daughter cell divides into daughter cells.
Cytokinesis can be described as a process which occurs after cell division. By this process, the cytoplasm differentiates between the daughter cells.
Which phrase describes the composition of the outer planets
Answer: are gaseous
Explanation:
jus took the unit test on this
Answer:
a
Explanation:
a covalent bond is formed as the result of what?
Answer:
covalent bonding occurs when pairs of electrons are shared by atoms
Explanation:
atoms will bond conveniently with other atoms in order to gain stability
A covalent bond is a type of strong bond formed between two atoms by sharing electrons to complete their valence shells, aiding in their stability. This is unlike ionic bonds, which form through the attraction of opposite charges. An example of this is the formation of water molecules.
Explanation:A covalent bond is a type of strong bond that is formed between two atoms of the same or different elements. This bond formation occurs when the atoms share electrons to fill their valence electron shells, which is the outermost shell of an atom and helps in achieving the stability of the atom.
For example, the formation of water (H₂O) molecules demonstrates covalent bonding. Here, the hydrogen and oxygen atoms combine, where the electron from hydrogen splits its time between the incomplete outer shell of the hydrogen and the oxygen atoms. This sharing of electrons helps fill the outer shell of both these elements, making them more stable.
Thus, unlike ionic bonds that form by the attraction between positively and negatively charged ions, a covalent bond shares electrons in a mutually stabilizing relationship, thereby completing their valence shells.
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The protein channel illustrated in model three is a ligand gated channel. What must occur for the gate to open and allow movement of ions across the membrane?
Answer:
The ligand must bind to a target protein to move ions across the membrane.
Ecologists will often represent the amount of potential food available for each trophic level in an ecosystem with a(n)
Answer:
Ecologists will often represent the amount of potential food available for each trophic level in an ecosystem with a(n) biomass pyramid.
Explanation:
A biomass pyramid can be defined as a diagram which quantifies the biomass as we move up the trophic levels in a pyramid. It is often plotted as the food (in calories or grams) per unit area. The biomass pyramid quantifies the biomass present at each trophic level.
Hence, a pyramid of biomass is the best way to represent the amount of food available at each trophic levels in a pyramid.
Ecologists will often represent the amount of potential food available for each trophic level in an ecosystem with a biomass pyramid.
Explanation:
Ecologists represent various structures of trophic levels in an ecosystem using ecological pyramids. Ecological biomass pyramids graphically depicts the bioproductivity or the amount of biomass produced and available in a unit area of a trophic level in an ecosystem.
The producers, are at the highest level, produce the highest amount of biomass is at the base of the pyramid; whereas, the tertiary consumers are at the least level with the least amount of biomass is at the top of the pyramid.
Ecologists use these data to depict the primary production of biomass at each level and the net productivity reached in an ecosystem.
an apartment being treated for roaches was sprayed with a pesticide in the graph the number of roaches seen each day was plotted each day after the treatment Day Zero represents the day before the apartment was treated what can you conclude from the graph
Answer:
it is c (The treatment was only effective as a short-term solution)
Explanation:
i just took the post test
Which factor is most likely to have contributed to the high fertility rate in
Africa?
O
A. Lack of modern transportation systems
O
B. Lack of modern agricultural technology
O
c. Lack of economic opportunity for women
O
D. Lack of access to fresh water
Answer:
c. Lack of economic opportunity for women
Explanation:
Women with better economic opportunities, are able to position themselves better in relation to their body and their wills, than women with less economic opportunities. In addition, women with more economic opportunities are more likely to control their reproduction, while poorer women do not always have access to contraceptive methods and end up having more unscheduled children. This statement is common in places with high rates of social inequality, such as in Africa, where the high rate of fertility is directly linked to the lack of economic opportunity for women.