Through the mitotic process, two identical diploid daughter cells are produced. Mitosis is preceeded by the interphase and followed by cytokinesis. 7) b. / 8) a. / 9) b. / 10) b. / 11) c. / 12) a.
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The interphase occurs before cell division. It is composed of the G1, S, and G2 stages.
During the G1 stage, the cell duplicates in size. The organelles and other cytoplasmatic structures duplicate. The high intense biochemical activity is characteristic of this stage. During the S stage occurs the DNI molecule replication process. At this point, also happens the synthesis of histones and other associated proteins. The G2 stage is the final one before the cellular division. Here begins the slow process of DNI condensation. Duplication of centrioles completes. Structures such as spindle fibers are assembled.
Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced.
Daughter cells are identical to the original cell.
Mitosis occurs in only one phase, divided into four stages.
In the prophase, it occurs chromosomes condensation and nuclear membrane breaks. During the metaphase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes line up.Each chromatid joins with a microtubule of opposites poles.
In Anaphase, bonds between chromatids break. They separate and migrate to the opposite poles. In telophase, duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.Finally, cytokinesis occurs.
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Now, according to this theoretical framework, we can answer the questions.
7) b. are identical to the chromosomes of the parent cell.
8) a. The information is duplicated.
9) b. Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
10) b. I and III only
11) c. The cell's DNA is replicated.
12) a. Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
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Hydrogen and oxygen are examples of which of these?
elements
compounds
molecules
none of the above
what needs to occur for a fluorescent mineral to give off light?
Fluorescent minerals contain particles in their structure known as activators, which respond to ultraviolet light by giving off a visible glow. Ultraviolet light is a form of electromagnetic radiation invisible to the human eye. There are two classified ultraviolet wavelengths: longwave and shortwave.
Which of the following is a sign of illness in a dog?
19. Dax just completed a report on car transportation. He concluded that gasoline
prices will likely rise significantly in the years to come and recommends lower-
cost car transportation for the future. Dax's younger sister, Ava, just completed a
report on air pollution. Ava concluded that gasoline-powered cars cause too
much pollution and recommends that they should not be used in the future.
Which of the following is a solution for the future that would follow both Dax's
and Ava's recommendations?
A solution for the future that would follow both Dax's and Ava's
recommendations will be to develop cars that run on fuels that pollute less
and cost less than gasoline.
The use of other fuels such as electricity is cheaper than gasoline and will
help tackle the problem of the rising cost of gasoline.
The use of alternative sources doesn't involve the release of gases such as
carbon monoxide etc which pollutes the environment as carbon isn't burned
when electricity is used.
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Answer:
development of cars that run on fuels that pollute less and cost less than gasoline
Explanation:
What happens when an action potential is produced with a signal that is stronger than threshold?
A)
weaker action potential generated
B)
no action potential generated
C)
action potential has same strength as threshold
D)
stronger action potential generated
Answer:
C) action potential has same strength as threshold
Explanation:
What happens when an action potential is produced with a signal that is stronger than threshold action potential has same strength as threshold
When an action potential is produced with a signal that is stronger than the threshold, the resulting action potential is typically stronger or more intense compared to a standard action potential. The answer is D) Stronger action potential generated.
The threshold is the minimum level of depolarization required to initiate an action potential in a neuron. If the signal surpasses the threshold, it means that the depolarization is greater than what is necessary to trigger the action potential.
When a stronger signal is received by the neuron, it results in a larger influx of ions (such as sodium) into the neuron, leading to a more pronounced depolarization of the cell membrane.
As a result, the action potential generated will have a higher amplitude or voltage compared to a regular action potential. Therefore, the answer is D) Stronger action potential generated.
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Your friend wants to have her DNA tested because she thinks it will help her identify what foods she should eat. What is your advice to her
Answer:
IT WANT IT JUST SSY YOUR BLOOD TYPE
Can an objects mechanical energy be equal to its gravitational potential energy?
Answer:
Yes
Explanation:
Because if an object falls, it gives up its gravitational potential energy. The gravitational force does work on it, and speeds it up.
Answer:
yes
Explanation:
if an object does not have kinetic energy, meaning, it is not moving, its mechanical energy would be equal to its gravitational energy.
how is metaphase produced?
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes. These chromosomes then become visible. During this stage, the nucleus disappears and the chromosomes appear in the cytoplasm of the cell. ... As metaphase continues, the cells partition into the two daughter cells.
What is one defining feature of a prokaryotic cell?
have a cell wall outside plasma membrane
cytoplasm surrounds organelles
organelles are not membrane-bound
membrane-bound organelles
Answer:
Here.
Explanation:
Cytoplasm Surrounds Organelles
Which statement about biochemical reactions is false?
The statement that is false is that they can create new energy during the reaction. The correct option is a.
What is biochemical reaction?Biochemical reactions are chemical processes that occur in live cells to support life and promote cell growth.
To expedite most biochemical reactions, an enzyme is a type of biological catalyst.
The amount of activation energy required for the reaction to start is decreased by enzymes. Most enzymes are proteins that only interact with one particular chemical, known as their substrate.
The ratio of atoms in the reactants and products must always be balanced.
They have the capacity to store energy as a covalent bond. They have the ability to alter the cell's energy's shape. They follow the laws of physics and chemistry.
Thus, the correct option is a.
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Your question seems incomplete, the missing options are:
a. They can create new energy during the reaction.
b. They must always balance the number of atoms in the reactants
and the products.
c. They can store energy in the form of a covalent bond.
d. They can change the form of energy found in the cell.
e. They obey the rules of chemistry and physics.
Ciliated ependymal cells: A) help form the blood-brain barrier. B) circulate cerebrospinal fluid. C) form myelin in the brain and spinal cord. D) serve as wandering phagocytes during brain injury.
Ciliated ependymal cells: circulate cerebrospinal fluid.
Ependymal cells are a type of epithelial cell that is associated with the cavities of the body through which the cerebrospinal fluid circulates.
They are part of glial cells, which share space with neurons in the nervous system.They create the membranes that keep cerebrospinal fluid circulating through the ependymal canal of the spinal cord and the cerebral ventricles.For this, the ciliated structure that these cells present is essential for a correct movement of the cerebrospinal fluid, preventing it from spilling through other tissues and passing to areas of the body where it should not be.The cilia move rhythmically creating tiny currents for fluid to flow through the central nervous system.A small fraction of highly specialized and modified ependymal cells, called choroidal cells, are responsible for generating this essential fluid.Therefore, we can conclude that ciliated ependymal cells circulate cerebrospinal fluid.
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is a wrong?..........
Answer:
no it is correct I think hops it helps a lot;))))
24. What is evidence for the endosymbiotic theory? (a) rna can catalyze metabolic reactions. (b) meteorites contain organic molecules. (c) amino acids can be synthesized from inorganic compounds.
Armstrong's first footprint is still visible on the surface of the Moon. We know this even
though no one has returned to the moon in over 30 years. How can we know this for sure?
Answer: there is know air in space so that being said nothing could damage the footprint (no weathering in space)
Explanation:
Organic phosphate is taken up by producers during photosynthesis and released by cellular respiration.
True or false ?
Answer:
true
Explanation:
pa brainliest po please
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which of these are the repeating units that form DNA molecules?
a. fatty acids
b.nucleotides
c.amino acids
d.chromosomes
Answer:
d.chromosomes
Explanation:
A chromosome is a long DNA molecule with part or all of the genetic material of an organism. Most eukaryotic chromosomes include packaging proteins called histones which, aided by chaperone proteins, bind to and condense the DNA molecule to maintain its integrity. These chromosomes display a complex three-dimensional structure, which plays a significant role in transcriptional regulation
How long is the interval between high tides in Boston?
Answer:
High tides occur 12 hours and 25 minutes apart.
Explanation:
What is the temperature shown on the thermometer?
Answer:
ANSWER19°C or 19.5°C
HOPE IT HELPS
Answer:
19°
Explanation:
From 10 to 20, there are 4 lines.
Each line stands for 2, and the fourth line between 10 and 20 is 18. The red stops between 18 and 20, so the answer is 19 degrees.
Chemical to thermal to electrical current?Energy conversion of corn
Answer:
A battery is a device that converts chemical energy contained within its active materials directly into electric energy by means of an electrochemical oxidation-reduction (redox) reaction. This type of reaction involves the transfer of electrons from one material to another via an electric circuit.
Which muscle extends the knee, laterally rotates the tibia, aids in abduction and medial rotation of the femur, and tautens the iliotibial tract to brace the knee when the opposite foot is lifted
The popiletus muscle is the muscle that extends the knee , laterally rotates the tibia.
The popliteus muscle is a little muscle that extends the knee and form muscle the floor of the popliteal fossa. It is part of deep posterior leg muscles, that rotate laterally tibialis posterior, flexor digitorum longus and flexor hallucis longus.
The popliteus muscle extends to the knee joint. It is formed from the femur and the posterior horn of the lateral meniscus, and also extend to the proximal tibia.
The popliteus muscle help to function in an gait cycle by causing the flexion of the extended (“locked”) knee.
Therefore, The popiletus muscle is the muscle that extends the knee , laterally rotates the tibia.
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the mycelium is a mesh of filaments, each of which is called
Steve is running at an average of 3mph. He was out for a run for 3 hours how many miles did he travel? 1a. What formula did you use to solve #
intermediary molecules that accept electrons and transfer them to another molecule are called
Mutations cause changes in _____.
Answer:
mutation cause changes in genetic material
What else should the second group of researchers measure to test its
hypothesis?
OA. the current levels of water in the river
ОВ.
the type of pollen in cores from a nondrought period
OC.
the composition of microscopic charcoal released during natural fires
OD
the quantities of sediments in cores from the delta during a
nondrought period
The type of pollen in cores from a nondrought period, the composition of microscopic charcoal released during natural fires, the quantities of sediments in cores from the delta during a nondrought period.
Thus option B, C, D are correct. These are the second group of test of hypothesis.
What are the steps of test of hypothesis ?Testing of Hypothesis testing is used to determine the plausibility of a hypothesis.
The test assess the plausibility of the hypothesis of a sample data.
It occurs through different steps, the first step is used to test the state the two hypotheses.
In the next step evaluation of data, third step include carry out plan and analyze the data.
The final step is to analyze the results of the data, it can either accept the hypothesis and reject the null hypothesis.
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Pesticides may enter a forest ecosystem in a number of different ways. Sometimes,
humans intentionally introduce a chemical pesticide to a forest to control the spread of an
invasive species. Although a pesticide may be designed to destroy this species and benefit
the ecosystem, using it can sometimes have unintended consequences.
Which sentences describe possible negative, unintended consequences of this practice?
Select all the correct answers.
The pesticide may be absorbed by other plants and harm them.
Animals that consume plants may ingest the pesticide and be harmed by it.
The pesticide may rid the ecosystem of the species it is designed to destroy.
The pesticide may enter the soil and be washed to other locations by moving water.
Answer:
The pesticide may be absorbed by other plants and harm them;Animals that consume plants may ingest the pesticide and be harmed by it.;The pesticide may rid the ecosystem of the species it is designed to destroy.
Explanation:
I feel these are the most negative consequences they could have
BRAINLIEST?
which best describes the sex chromosomes
sex chromosomes are the chromosomes which describe sex of an individual
female have teo X chromosomes and male have one X and one Y chromosome
What is photorespiration.
When testing the effect of penicillin on the growth of E. coli, penicillin would be considered the? A.independent variable B. dependent variable C. constant
A planee is flying at a speed of 250 miles per hour. How long does it take to fly 250 (show steps)
it's 1 hour
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explanation: divide the distance traveled by the rate of speed. since the distance traveled and the rate of speed are both stated in the same units of measurement, there's no unit conversion needed. so, you can just convert the miles per hour to miles per second, and then convert the total seconds to the hours/minutes or whatever