Mitosis aims to create daughter cells that are completely genetically similar to their mothers, with no extra or less chromosomes. In contrast, meiosis serves a single function in the human body that is the creation of gametes.
What is cell division?The process by which a parent cell divides into two daughter cells is known as cell division. Cell growth and chromosome replication precede cell division, which often happens as part of a longer cell cycle.
Before dividing, cells must copy their DNA. This promotes successful inheritance of genetic features by giving each daughter cell a copy of the genome.
Grow in the absence of signals instructing them to do so in cancer cells. Only when they get such signals do normal cells expand. Disregard cues that would typically instruct cells to cease dividing or die.
Aneuploidy is a condition when there are either too many or too few chromosomes in the daughter cells produced during mitosis.
Thus, this is the overall purpose of mitosis and meiosis.
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1. The overarching goal of mitosis is to ensure cell division and the transfer of genetic material to daughter cells for tissue repair, growth and development.
2. To maintain genetic integrity, DNA replication is necessary prior to cell division.
3. Cancer cells have uncontrolled growth, escape cell death and lack contact inhibition, whereas normal cells have controlled cell division, experience programmed cell death and show contact inhibition.
4. The disorders in humans can result from errors in the cell cycle. Diseases such as Down syndrome are caused by abnormal chromosomes. Gene changes can affect the development of cancer.
Meiosis produces gametes for sexual reproduction, while mitosis assures cell division for growth, development, and tissue repair. Accurate transmission of genetic information and preservation of genetic integrity in daughter cells depend on DNA replication prior to cell division.
Whereas cancer cells have uncontrolled proliferation, escape from cell death, and lack contact inhibition, normal cells have regulated division, programmed cell death, and appear to have contact inhibition. Human disorders such as chromosomal abnormalities (such as Down syndrome), gene mutations that cause cancer, errors in DNA replication or repair that cause genetic disorders, and cell cycle control that leads to uncontrolled cell division and tumor formation, all of which Mistakes made during this can have consequences. cell cycle.
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Which diagram most correctly represents the process of mitosis?
Answer:
B
Explanation:
Division of 2 identity.
En un cruce entre peces naranjas y peces grises se obtiene una generación (f1) de 50% peces grises . Realice el cruce y explique lo ocurrido dato: el color naranja es dominante sobre el color gris
Answer:
Uno de los progenitores es heterocigoto para color naranja (Nn) y el otro parental es homocigoto recesivo para gris (nn). Al haber una cruza entre un homocigoto recesivo y un heterocigoto, la 50% de la progenie expresa color naranja (Nn), mientras que el otro 50% expresa color gris (nn).
Explanation:
Datos disponibles:
Cruce entre peces naranjas y peces grises50% de la F1 son peces grisesNaranja dominante sobre grisPodemos nombrar el alelo dominante para color naranja N, y al alelo recesivo para color gris n.
Para que en un cruce entre dos fenotipos distintos, el 50% de la primer camada exprese uno de estos fenotipos, entonces uno de los parentales debe ser heterocigoto, mientras que el otro parental debe ser homocigoto recesivo. De esta forma 50% de la primera generación expresara uno de los fenotipos, mientras que el otro 50% expresará el otro fenotipo.
Supongamos que uno de los parentales lleva el genotipo Nn, y el otro parental es nn.
Cruce:
Parental) Nn x nn
Gametas) N n n n
Fenotipos) Naranja Gris
Cuadro de Punnett) N n
n Nn nn
n Nn nn
F1) 2/4 = 1/2 = 50% de la progenie tendrá genotipo heterocigoto, Nn
2/4 = 1/2 = 50% de la progenie tendrá genotipo homocigota recesivo,
nn
50% de la progenie será color naranja (Nn)
50% de la progenie será color gris (nn)
A section of a topographic map is shown below.
What is the difference in elevation in meters between Point X and Point Y on the map?
Answer:
360 m
Explanation:
Answer:
fish
Explanation:
moment
Which term is defined as the sum of the potential energy and the kinetic energy in a system?
Click the answer you think is right.
mechanical energy
thermal energy
potential energy
Kinetic energy
Answer:
in physical science, mechanical energy is the sum of potential energy and kinetic energy. it is the macroscopic energy issues associated with a system
Summarize this cycle in your own words
(2-3 sentences minimum).
Answer:
Where is the cycle???
Tell me please!!?
In glycolysis, for each molecule of glucose that is broken down into pyruvate?
2 molecules of ATP are used, and 4 molecules of ATP are produced
2 molecules of ATP are used, and 2 molecules of ATP are produced
4 molecules of ATP are used, and 2 molecules of ATP are produced
2 molecules of ATP are used, and 6 molecules of ATP are produced
Answer:
2 molecules of ATP are used, and 4 molecules of ATP are produced
Explanation:
The hydrophobic effect is related to the fact that water is most stable when it has the most hydrogen bonds and that nonpolar molecules decrease the number of those bonds. True or false
Answer:
True
Explanation:
When a hydrophobe is dropped in an aqueous medium, hydrogen bonds between water molecules will be broken to make room for the hydrophobe; however, water molecules do not react with hydrophobe. This is considered an endothermic reaction, because when bonds are broken heat is put into the system. The hydrophobic effect is considered to be the major driving force for the folding of globular proteins. It results in the burial of the hydrophobic residues in the core of the protein. It is exemplified by the fact that oil and water do not mix and was described well by G. S. Hartley in 1936. 1 Hydrophobic effect. The hydrophobic effect increases the thermodynamic activity of large hydrophobic molecules of metal complexes formed in the aqueous phase of solvent extraction systems, which promotes their transfer from the aqueous to the organic phase.
The diagram shows the internal structures of a fish.
Which labels best complete the diagram?
X: Two-chambered heart
Y: Swim bladder
X: Single-chambered heart
Y: Swim bladder
X: Gills
Y: Lateral line
X: Lungs
Y: Lateral line
Answer:
A or B
Explanation:
i think its A tho
Answer: It's A
Explanation: Got it right on edg.
The activity for Enzyme A and Enzyme B are displayed on the graph below. Enzyme A is found in thestomach and Enzyme B is found in the intestinal tract of some animals.
What is the probable pH of the stomach?
F. 1
G. 2
H. 3
J. 4
Answer:
3
Explanation:
the probable pH of the stomach is around 3
Answer:
H. 3
Explanation:
The probable pH of the stomach is 3.
Which component of a galaxy is colorful and found in the space between stars?
a
Dust
b
Gas
c
Orbiting objects
d
Stars
Answer:
The answer would be Gas or Hydrogen.
Explanation:
Hope it helped ;)
Need help plz!!! Trying to catch up on biology anything can help!!!!
Answer:
See the answer below
Explanation:
The control group in an experimental study is the subject group that is not administered the treatment variable. The control group forms the baseline for comparing the effects produced by the treatment variable on the experimental group.
Thus, in this case, the control group would be the 10 mice that were not exposed to the radio waves.
The independent or the manipulated variable, in this case, is the exposure or otherwise of the mice to the radio waves.
The dependent variable is the actual variable that is going to be measured, otherwise known as the effect variable. In this case, the dependent variable would be the strength of the mice measured by their ability to push the block of wood blocking their food.
Since 8 out 10 mice and 7 out of 10 mice were able to push the wooden block in both the experimental and the control group, Bart's conclusion should reject the hypothesis that the radio waves make mice extra strong.
Bart's experiment can be improved by increasing the number of subject mice in each group. The more the number of subjects, the more the accuracy of the outcome would be.
If a DNA strand reads ACG TGC AAT TAG, what would the complimentary stand read?
why do different foods store different amounts of energy
Answer:
because they have different seed formation
Explanation:
Question 3 of 10
The reactants when fossil fuels are burned are shown below. What are the
products of this reaction?
Fossil fuel + oxygen gas → ?
A. Nitrogen gas + heat
B. Water + heat
C. Carbon dioxide + water + heat
D. Carbon dioxide + fossil fuels
What is a Sedimentary Rock?
rock that forms when existing rock changes to a new rock because of heat and pressure
⊝
rock that forms by the process of compaction and cementation of sediments
⊝
rock that forms when melted rock (magma, lava) cools and hardens
Answer:
rock that forms when existing rock changes to a new rock because of heat and pressure
Why fish are a good example of natural selection
Answer:
Here are some examples of natural selection: In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.
Explanation:
Explain enzyme-substrate specificity.
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substrate specificity. The active site of an enzyme is very specific to its substrates as it has a very precise shape. This results in enzymes being able to catalyze only certain reactions as only a small number of substrates fit in the active site. This is called enzyme-substrate specificity.
Answer:substrate specificity. The active site of an enzyme is very specific to its substrates as it has a very precise shape. This results in enzymes being able to catalyze only certain reactions as only a small number of substrates fit in the active site. This is called enzyme-substrate specificity.
Explanation:Enzymes and substrates share specificity in that an enzyme will only react with a specific substrate • This is because the active site is complementary in both shape and charge to a given substrate • The model by which this is known is ‘lock and key’ as the substrate is a precise structural fit for the enzyme, much like a lock and key • When the enzyme and substrate bind, they form an enzyme-substrate complex, before the substrate is catalytically converted into a product
In the picture below, letter E represents:
A.substrate
B.enzyme
C.products
D.active site
Answer:
C.products is the answer.
Answer:
C. products
Explanation:
In the picture above, the letter E represents products.
9b. What was the method of energy transfer?
Answer:
Heat can be transferred in three ways: by conduction, by convection, and by radiation. Conduction is the transfer of energy from one molecule to another by direct contact.
Explanation:
8. Which of the following is a polysaccharide?
sucrose
cellulose
fructose
glucose
Answer:
Cellulose i think?
Explanation:
Answer: Glucose
Explanation: Glycogen is a large, branched polysaccharide that is the main storage form of glucose in animals and humans. Glycogen is as an important energy reservoir; when energy is required by the body, glycogen in broken down to glucose, which then enters the glycolytic or pentose phosphate pathway or is released into the bloodstream. Glycogen is also an important form of glucose storage in fungi and bacteria.
Condensation: the ______ off of ______ in the air in the ______
1. Explain why fossil evidence is consistent
with the scientific theory of evolution. sc.7.L.15.1
Explanation:
The Fossil Record
Fossils of the simplest organisms are found in the oldest rocks, and fossils of more complex organisms in the newest rocks. This supports Darwin's theory of evolution, which states that simple life forms gradually evolved into more complex ones.
Evidence for early forms of life comes from fossils.
A skier is going down a hill at a speed of 9 m/s. The hill gets steeper and her speed increases to 18 m/s in 3 s. What is her acceleration?
Cells have many small objects called (4) _____ that perform specific functions for the cell. Some are found in plant cells, but not animal cells. One example is the (5)_____, which provides support and forms an extra barrier outside of the cell membrane. The (6)_____ contains chlorophyll, which is necessary for a plant cell to produce energy through (7)_____. Plant cells also include a large central (8)_____, which store food, water, and waste. Word bank: organelle, photosynthesis, chloroplast, cell wall, vacuole.
Answer:
(4) Organelle
(5) Cell Wall
(6) Chloroplast
(7) Photosynthesis
(8) Vacuole
Explanation:
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In "gastrulation" cells begin to differentiate. They form different types of tissues so they can accomplish different purposes in the body.
True or False?
Answer:
The statement that says that In "gastrulation" cells begin to differentiate and they form different types of tissues so that they can accomplish different purposes in the body, is true.
Explanation:
Gastrulation involves a process of cell division, migration and differentiation, being one of the stages of embryonic development.
Cell differentiation and migration in gastrulation leads to the formation of germ layers, which are responsible for forming different tissues and fulfilling different functions in the body:
The outermost lamina is called the ectoderm, which can give rise to nerve tissue and part of the skin tissue. The mesoderm is the middle lamina, and from it vascular, bone, muscle, and joint tissue can develop, as well as tissues of excretory and reproductive organs. Endoderm corresponds to the internal lamina, forming in great part the mucous membrane of the organs of the digestive system.It is true, then, that In gastrulation cells begin to differentiate and form different types of tissues so they can accomplish different purposes in the body.
What would happen to the amount of glucose and oxygen produced during photosynthesis if the
amount of sunlight decreased? EXPLAIN,
Without enough light, a plant cannot photosynthesize very quickly - even if there is plenty of water and carbon dioxide and a suitable temperature. Increasing the light intensity increases the rate of photosynthesis, until some other factor - a limiting factor - becomes in short supply.
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How does genetic variation allow humans to survive long-term?
Which type of reproduction is responsible for genetic variation?
Answer:
Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation. Some new alleles increase an organism's ability to survive and reproduce, which then ensures the survival of the allele in the population. Sexual reproduction promotes genetic variation by producing different gene combinations. Meiosis is the process by which sex cells or gametes are created. Genetic variation occurs as alleles in gametes are separated and randomly united upon fertilization.
To move the objective lens up and down, I would turn the _________ __________ dial. Which two words complete the sentence?
Answer:
handle and the dial is the correct answer
bacteria are organisms that reproduce asexualy how is this better for them than reproducing sexually?
Answer:
Because reproducing asexually is less complicated than reproducing sexually.
Explanation:
Bunnies and coyotes. For just one level of movement on the pyramid (bunnies to coyotes - their preferred food), and the bunny weighed 5 kg, how many kg of "energy" would the coyote actually get by eating it?
Answer:
The coyote is actually getting 0.5 kg of "energy" by eating 5 kg of bunnies.
Explanation:
At each trophic level, it occurs an energy transfer from one level to the next, with only 10% being usable in each of them. This assessment is called "The 10% rule". This is, as a general rule, only about 10% of the energy stored as biomass at one trophic level, per unit time, ends up as biomass at the next trophic level, in the same unit of time. According to the 10% rule, to support 1 kg of coyote, 10 kg of the anterior level is needed. To calculate this, we need to multiply the biomass of the coyote by 10 to get the biomass of its anterior level.
If 10 kg of the anterior level (bunnies) are needed to support 1 kg of coyote, we need to calculate how many kgs of a coyote are supported by 5 kg of bunnies.
10 kg of bunnies ------- 1 kg of coyote
5 kg of bunnies --------- X = 0.5 kg of coyote.
Answer:
The coyote is actually getting 0.5 kg of "energy" by eating 5 kg of bunnies