Answer:
Ecosystem services make human life possible by, for example, providing nutritious food and clean water, regulating disease and climate, supporting the pollination of crops and soil formation, and providing recreational, cultural and spiritual benefits.
Independent assortment of chromosomes is a result of which of the following processes?
a. the diverse combination of alleles that may be found within any given chromosome
b. the random way each pair of homologous chromosomes lines up at the metaphase plate during meiosis I
c. the random combinations of eggs and sperm during fertilization
d. the random distribution of the sister chromatids to the two daughter cells during anaphase II
Answer:
B
Explanation:
Independent assortment of chromosomes refers to the random way each pair of homologous chromosomes lines up at the metaphase plate during meiosis I.
What is independent assortment of chromosomes?The independent assortment of chromosomes is one of the Mendel's laws of genetics.
Independent assortment of chromosomes refers to the random way each pair of homologous chromosomes lines up at the metaphase plate during meiosis I.
Therefore, independent assortment of chromosomes results in traits and characters beings inherited independently from each other.
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Which of the following best describe a chemical property of a substance. *
A. the amount of material used
B. the ability of a substance to undergo chemical change
C. the behavior of material when heated
D. the color of the product
Answer:
Explanation:
option C
Chemical properties, such as combustibility, are generally observed as the identity of a substance changes and one or more new substances form.
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The Correct choice is ~ B
The ability of a substance to undergo chemical change
when fatty acid metabolism creates more acetyl-coa than can be handled in the citric acid cycle, the excess acetyl-coa is converted into ________.
Answer:
Ketone Bodies
Explanation:
If excess acetyl CoA is created and overloads the capacity of the Krebs cycle, the acetyl CoA can be used to synthesize ketone bodies.
An airtight, temperature-controlled glass box containing actively growing tomato plants was placed under a light source. Plastic wrapping that only transmits green light was placed over the box, and two days later air samples from inside the box were collected and analyzed. The most likely change in air quality is:
The most likely change in air quality is a decrease in carbon dioxide (CO2) present in the box.
Photosynthesis is the process by which green plants produce their own food in the presence of light and carbon dioxide. The most important indicator of air quality is carbon dioxide. This gas is removed during photosynthesis.
This implies that after two days, analysis of the air samples from the pot will definitely indicate a large decrease in the amount of carbon dioxide present in the box.
Missing parts;
An airtight, temperature-controlled glass box containing actively growing tomato plants was placed under a lightsource. Plastic wrapping that only transmits green light was placed over the box, and two days later air samples frominside the box were collected and analyzed. The most likely change in air quality isa. an increase in nitrogen (N2)b. an increase in carbon dioxide (CO2)c. an increase in oxygen (O2)d. a decrease in carbon dioxide (CO2)
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Environmental factors typically activate genes in a cell by causing the cell to --
A.produce identical daughter cells through mitosis
B.form haploid gamete cells through meiosis
C.fuse with another cell to increase the size of its genome
D.transcribe specific DNA segments to mRNA for translation
Environmental factors typically activate genes in a cell by causing the cell to transcribe specific DNA segments to mRNA for translation.
This interaction is an example of environmental factors affecting genetic expression. In these situations, the environment causes specific segments of DNA to be expressed, meaning they are transcribed to mRNA and subsequently used to form proteins.
Meanwhile, other parts of the genome remain or are forced to be silent. This can be a result of mutations or simple biochemical reactions between the environment and the genome.
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Answer:
Transcribe DNA to RNA
Which of these statements correctly describe the result of Mitosis
Answer:
The result of mitosis is two identical daughter cells, genetically identical to the original cell, all having 2N chromosomes. ... A chromatid, then, is a single chromosomal DNA molecule.
Answer:
statements??
Explanation:
the hair cells that detect sound vibrations lie on the ________ membrane.
Answer:
Basilar
Explanation:
what's makes up the brain and a brief explanations
Answer: I'm not quite sure what you're asking but...
Explanation: The largest part of the brain, the cerebrum initiates and coordinates movement and regulates temperature. Other areas of the cerebrum enable speech, judgment, thinking and reasoning, problem-solving, emotions and learning. Other functions relate to vision, hearing, touch and other senses.
7)When a body cell divides through the process of mitosis, the chromosomes in the daughter cells *
are formed when chromosomes from the parent cell cross over.
are identical to the chromosomes of the parent cell.
represent only the healthiest chromosomes from the parent cell.
represent only half of the chromosomes in the parent cell.
8)Before a cell enters mitosis, what happens to the genetic information in that cell? *
The information is duplicated.
The information is selectively mutated.
The information is halved.
The information is completely changed.
9)Which of the following best describes how mitosis is related to cellular reproduction? *
Mitosis is a phase in asexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of identical nuclei in the daughter cells.
10)Which of the following occurs during the interphase stage of the cell cycle? I. DNA is replicated. II. The cell divides. III. The cell grows in size. *
II only
I and III only
I, II, and III
I and II only
11)A diagram of the cell cycle is shown below. Which of the following statements best describes what happens during the S phase of the cell cycle? *
The cell's chromosomes separate.
The contents of the cell divide.
The cell's DNA is replicated.
The cell prepares for mitosis.
12)At a point during a cell's development, it begins to differentiate. How does differentiation occur? *
Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
As a cell matures, genes that are not necessary to its function are ejected out of the cell through active transport.
The number of chromosomes in the cell is reduced by half; this action triggers the specialization of the cell.
A developing cell's function is determined by the number of organelles that are contained in the cell.
Answer:
are identical to the chromosomes of the parent cell
Explanation:
Which organism has the least visible postanal tail as an adult
Answer:
There are no choices, but i'm guessing Human?
If two 4-Newton forces act on an object in the same direction, what is the net force on the object?
Answer:
8 Newton net force
Explanation:
Have a nice day
deoxygenated blood is transported to the pulmonary capillaries in the lungs by the pulmonary veins; oxygenated blood is transported away from the pulmonary capillaries by the pulmonary arteries is false
Answer:
no it is not false can be transported
low does natural selection lead to the evolution of a population?
Explanation:
when natural selection is cartried out it leads to the species being the fittest inorder words it is called survival of the fittest inorder to promote evolution
Why are there so many ways to impact enzyme activity.
Answer:
Enzyme activity can be affected by a variety of factors, such as temperature, pH, and concentration. Enzymes work best within specific temperature and pH ranges, and sub-optimal conditions can cause an enzyme to lose its ability to bind to a substrate.
Explanation:
why is the cycling of matter important to life on earth?
Answer:
It needs to have it
Explanation:
Earth is earth
what is hereditary information contained in
Answer:
Genes
Explanation:
Hereditary information is stored in genes, which are found on each cell's chromosomes. Each gene contains a single piece of information. An individual's inherited trait can be determined by one or more genes, and a single gene can influence more than one trait. There are thousands of different genes in a human cell.
1. Single-celled organisms
are also called
a. multicellular
b. bacteria
c. unicellular
d. viruses
Answer:
C
Explanation:
A unicellular organism, also known as a single-celled organism
Make a list of 5 kinds of variation that you can see between the dogs
Since transport of materials in and out of the cell can only happen at the cells surface, what problem does this pose for larger cells
Answer:
More surface area being taken up meaning in less cells getting in or out.
Match each lobe of the brain with the correct label.
Answer: is correct
1. Frontal Lobe
2. Parietal Lobe
3. Occipital Lobe
4. Temporal Lobe
find the answers for the questions given below
biology-reaching the age of adolsence
Answer:
Hopefully this helps!!
Explanation:
bcaabccbcadbccaDiabetesCortisolMenarcheInfertilityDNAEndocrine28ExocrineThyroidPituitary1 A wound that is deeper than wide, can cause damage to internal organs describes a(n)
A. Laceration
B. Puncture
C. Abrasion
D. Incision
E. None of these
A chemical reaction in a living cell occurs in the presence of a specific protein molecule. The concentration of this protein molecule remains the same before and after the reaction. This protein molecule is most likely
1. a coenzyme
2. a substrate
3. an enzyme
4. an acid
Answer:
c
Explanation:
Which of the following represent the organization of cells in a simple reflex arc?.
Why must everything but the
independent variable stay constant?
A. since a graph can only hold one variable
B. each group should be completely different to do an
experiment
C. because you can only record information for one
experimental group
D. because with too many variables you can't
determine what caused the
The independent variable should stay constant because each group should be completely different to do an experiment while it is being conducted.
What are variables?
The variables are defined as any characteristics, number or quantity which can be measured . They can also be called as a data item . They are called as variables because they can vary and can have variety of values.
There are three types of variables 1) manipulated variable where in a condition is specified, 2) responding variable which is dependent on manipulated variable 3)controlled variables which does not change
Example of manipulated variables are number of hours spent by a student studying , that of responding variable is result of a student and temperature is an example of controlled variable.
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Water and nutrients that are not cycled are stored in a what?
Answer:
Reservoir
Explanation:
True or False?
The eastern United States has three types of plate boundaries offshore.
Answer:
True
Explanation:
divergent, convergent, transform
Answer:
true
Explanation:
true
what part of the kidney can be under hormonal control?
Answer:
The kidneys make two main hormones, vitamin D and erythropoietin.
Una boya está anclada al fondo del océano. Una gran ola se acerca a la boya. ¿Cómo se moverá la boya a medida que pase la ola?
Answer:
lentamente con la ola
Explanation:
Plzzzzz help meeeee plzzzzzzz
Answer:
59 is false and 60 and true
Explanation: I think it is right sorry if it is wrong. I hope this helps
Answer: 1) True 2) True
Explanation: