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Why is it important that meiosis produces a haploid cell? What would happen to subsequent generations if mitosis were used to produce gametes?
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Answer:
It is important that meiosis produces a haploid cell because it prevents the number of chromosomes from doubling each generation. If mitosis were used to produce gametes the subsequent generations would be diploid so in the next generations the normal amount of chromosomes would double meaning each subsequent generation would double the number chromosomes again and again.
Explanation:
Meiosis
- the process by which the number of chromosomes is halved during the formation of gametes.
- In human cells, for example, 46 chromosomes are arranged in 23 pairs. Therefore, human cells are diploid i.e. they have two sets of 23 chromosomes per set. During generative reproduction, the sex cells of the parent organism unite with one another and form a fertilized egg. In this situation, each sex cell is gamete. Gametes from haploid human cells, from Greek haplos, which means "single." This term implies that each gamete contains a set of 23 chromosomes in humans. When human gametes unite with each other, the original diploid condition of 46 chromosomes is rebuilt. Meaning cells containing a diploid number of chromosomes are converted into four cells, each of which has a number of haploid chromosomes. In human cells, for example, reproductive cells containing 46 chromosomes produce four cells, each with 23 chromosomes.
Mitosis
- the phase of the cell cycle where the nucleus of a cell is divided into two nuclei with an equal amount of genetic material in both the daughter nuclei. It succeeds the G2 phase and is succeeded by cytoplasmic division after the separation of the nucleus. Mitosis is essential for the growth of the cells and the replacement of worn-out cells. Abnormalities during mitosis may alter the DNA, resulting in genetic disorders.
-In each cycle of cell division, two daughter cells are formed from the parent cell. The cell is also known as equational cell division because the chromosome number in the parent cell and daughter cell is the same.
Hope this helps!!
Meiosis' production of haploid cells is crucial because it stops the chromosome count from doubling every generation.
What is meiosis?Meiosis is a reductional division. The number of chromosomes would double in the following generations if mitosis were utilized to make gametes, making the subsequent generations diploid and doubling the number of chromosomes in each successive generation.
Meiosis is the process by which the number of chromosomes is cut in half as gametes are developing.
For instance, there are 23 pairs of 46 chromosomes in human cells. Human cells therefore have two sets of 23 chromosomes each, making them diploid.
Therefore, Meiosis' production of haploid cells is crucial because it stops the chromosome count from doubling every generation.
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Why is it essential to fix smears on slides before staining?
a. to cause swelling of the cell to make interior structures more visible
b. to provide a nutrient medium to sustain the bacteria
c. to attach them to the slide
d. to enhance the uptake of stains
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Which statement describes the role of the organism indicated by the blue arrow in the food web?
Food web showing several different food chains. The blue arrow is pointing to an image of a red-tailed hawk. The hawk is shown to eat wood ducks and meadow vole which in turn feed on grass.
© FLVS
A primary producer that recycles organic molecules from sunlight
A secondary consumer that obtains its energy from the consumption of animals
A primary consumer that obtains its energy from the consumption of animals
A secondary consumer that recycles organic molecules by breaking them down
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Answer:
Its B
B. A secondary consumer that obtains its energy from the consumption of animals
Explanation:
I took the test and I git this one right, you don't have to give me brainliest if not required, I just looked up this question and saw if I could get this right to help
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A secondary consumer that obtains its energy from the consumption of animals.
Who are secondary Consumer?Organisms that consume primary consumers for energy are known as secondary consumers. Herbivores, or species that only consume autotrophic plants, are always the main consumers.
Secondary consumers, however, might either be omnivores or carnivores. Omnivores consume both plant and animal stuff, while carnivores solely consume other creatures. Whatever a secondary consumer may be, it still needs to eat primary consumers to thrive.
Secondary consumers can be found in almost every environment on earth and occur in a wide variety of sizes and shapes. The severe habitats that secondary consumers reside in include icy tundras, parched savannahs, and arctic lakes.
Therefore, A secondary consumer that obtains its energy from the consumption of animals.
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In Ken Baum’s piece, which one do you think is the strongest policy argument against physician participation in a legally authorized execution?
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The participation of a physician in a legally authorized execution goes against the oath taken by the professional, and this is the main argument against their participation.
A physician is a term used to describe a doctor who has obtained a university degree to practice medicine. Once completed their university career and in order to obtain their medical license, Physicians must take an Oath.
The Oath in question is the Hippocratic oath. Among many things, this oath tells the professional to act in a certain manner, always in the best interest of the patient in question. This is directly contradicted by the actions of a physician that participates in the legally authorized execution of a human being and is one of the main reasons against this participation.
Though I could not locate Ken Baum’s piece online to provide direct evidence, I have given a popular argument against the physicians' participation in this matter.
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Please Help ASAP. I will give BRANIEST
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Answer:Please Help ASAP. I will give BRANIEST
Explanation:id say it would maybe be the last one at the bottom
Answer:
d
Explanation:
LS2-1 The carrying capacity of a biological species in an environment is the maximum population size of the
species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities
available in the environment. What factors would increase a carrying capacity for a population?
I. habitat loss
II. increase in food sources
III. access to clean water
IV. increase in competition
V. increase in diseases
II and III
III and IV
II, IV, and V
I, II, and V
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[tex]▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ { \huge \mathfrak{Answer}}▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ ▪ [/tex]
Among the all options, Increase in food sources and access to clean water can increase the carrying capicity for a population.
The Correct choice is :
II and III
Which of the following statements about glucose, galactose, and fructose is most likely true?
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Answer:
They are all monosaccharides
Since animal cells don’t have a cell wall, what would happen if they loss water indefinitely?
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Answer:
Cells with a cell wall will swell when placed in a hypotonic solution, but once the cell is turgid (firm), the tough cell wall prevents any more water from entering the cell. When placed in a hypertonic solution, a cell without a cell wall will lose water to the environment, shrivel, and probably die.
Explanation:
:)
Answer:
Explanation:
it will lose water to the environment shrivel up and probably die
wich statement is an example of a scientific theory
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Answer:
Big Bang Theory.
Explanation:
jsjsnbdbxhosmanndxbjskaekdjsn
Below is a photo of cells from a particular kind of organism.
Based on the structure of the cells, this organism is most likely to be a
A. unicellular eukaryote
B. Virus
C. multicellular eukaryote
D. prokaryote
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Answer:
C i believe
Explanation:
Mrs. Maxwell used the analogy “a cell is like a factory” to explain the idea of cell organization to her class, and she never went into any more details. Is this analogy good enough to present a true picture of a cell?
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Answer:
Yes, because an organism can be considered a factory, so yes, a cell can be represented as a factory.
Explanation:
Which pair of scientific words have the same prefix? (1 point)
O Cell walls and cell membranes
O Nucleus and Bacillus
O Coccus and Bacillus
O Microbiology and microscopic
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Answer:
Microbiology and Microscopic
Explanation:
These words are the only two that share a prefix (the beginning of a word), which is micro.
The pair of scientific words out of the options given that has the same prefix is: D. Microbiology and microscopic
Note the following:
Prefix is a word or letter (affix) that is placed before another word.From the options given, microbiology and microscopic contain the same prefix: "micro-".
"Micro" means small or minute. Words that come after "micro" in biological science connotes something related to microorganisms. Such as microbiology and microscopic.
Therefore, the pair of scientific words out of the options given that has the same prefix is: D. Microbiology and microscopic
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what is the meaning of thawing
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Answer:
it is when something unfreezes usually
Explanation:
like ice, if you leave it out over time it turns into liquid or meat if it's frozen you leave it out to unfreeze
What is the charge of an atom?
O positive
negative
neutral
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Answer:
neutral
Explanation:
they have no charge
Find out the total number of bones present in the different parts of the body like the arms,wrist, legs, feet etc.
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Answer:
the axial skeleton, comprising the spine , chest and head contain 80bones the appendicular comprising the arms and legs include the shoulder and pelvic girdles , contain126 bones bringing the total for the entire skeleton to 206 bones
34. Which of the following is not a solution?
a Salt dissolved in water
b. Sand dissolved in water
c. Sugar dissolved in water
d. Oxygen dissolved in water
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b is wrong solution so because sand can't dissolve in water
PLEASE HELP QUICKLY THANK YOU APPRECIATE IT
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Answer:
6) Cytokinesis of a plant cell
7) Anaphase
16
Which of the following is true regarding the tegmentum (a section of the midbrain).
ed
out of
Select one:
O a. It is continuous with the gray matter of the brain stem and processes information from spinal nerves
O b. It is continuous with the white matter of the brain stem and processes information from cranial nerves
O c.
It is continuous with the white matter of the brain stem and processes information from spinal nerves
O d.
It is continuous with the gray matter of the brain stem and processes information from cranial nerves
Answers
○A
It is continuous with the gray matter of the brain stem and processes information from SPINAL nerves
Hope this helped you- have a good day bro cya)
4. A student is given two different objects, a marble and a cube, that appear to be made of the same substance. The student did some measurements of the objects and
recorded the measurements in the table.
Volume before
adding the
marble
Volume of the
water with the
marble added
Mass of the
cube is 66
Mass of the
martile-715
Cube dimensions:
length 2.4 cm
width: 1.3 cm
height 2.7 cm
Using the student's measurements, What is the best determination that can be made about the objects?
The formula for density is D=MIV.
A. The objects are different substances because their masses are different
B. The objects are different substances because their densities are different.
C. The objects are different substances because their volumes are different.
D. The objects are the same substance because they have the same density
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The true statement is that the objects are different substances because their densities are different.
Density is an intrinsic property of matter. It does not depend on the amount of substance present. It is a characteristic of substances. If two substances are the same, they must have the same density.
Considering the information presented here, the cube and the marble are different materials hence they have different densities.
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Describe the movement of the tectonic plates in model C. What is this situation called?
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Answer:
this is a transform plate boundary (AKA- transform fault)
hope this helps :)
Help me pls!!!!!
Cmt now pls
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Answer:
omg what is this
Explanation:
that is super hard
What does the term sustainable ecosystem mean sumbody answer rq
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Answer:
Sustainability is the ability to maintain something over a long period of time. For an ecosystem, sustainability means maintaining ecological processes over long periods of time. ... So, if an ecosystem is able to maintain its structure and function over time in the face of external stress, it is said to be sustainable.
Explanation:
hope this helps!
Answer:
a sustainable ecosystem is an ecosystem that is able to maintain its structure and function over time in the face of external stress.
Hope it helps! :D
Explanation:
How do hydrogen bonds between molecules explain why they are polar?
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Answer:
The attractive force between water molecules is a dipole interaction. The hydrogen atoms are bound to the highly electronegative oxygen atom (which also possesses two lone pair sets of electrons, making for a very polar bond. Hydrogen bonds are very strong compared to other dipole interactions.
Explanation:
The solidifying agent used most successfully in bacterial nutrient media is?
Select one or more:
a. Agar
b. Gel agrose
c. Peptone
O d. Gelatin
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Answer:
a kkkkkkkkkkkkkkkkkkkkkkkkkkk
The chemical equation shown represents photosynthesis.
What is the role of substance A in photosynthesis?
It traps light energy from the atmosphere.
It combines with water to form glucose.
It cools the atmosphere by changing into vapor.
It changes into hydrogen in the presence of light.
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Answer: The role of substance A in photosynthesis is: it combines with water to form glucose.
Explanation:
Answer: B. It combines with water to form glucose.
Proof of validity is shown below.
White blood cells destroy_________ and remove them from the human body.
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Answer:
pathogens
hope that helped <3
Why would small plants attach themselves to the sides of large trees high above the ground
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What dangers do acid rain cause
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Answer:
It causes respiratory issues in animals and humans. When acid rain falls down and flows into the rivers and ponds it affects the aquatic ecosystemAcid rain also causes the corrosion of water pipes, which further results in leaching of heavy metals It damages the buildings and monumentsExplanation:
Hope this helps :)
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And have an amazing day <3
Cual seria la respuesta?
Answers
Answer:
2
3s+2p
Explanation:
by the way see the 2 above all the numbers that means squared!
good luck
Briefly summarize the main stages of human evolution beginning 410 million years ago with the evolution of amphibians.
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Biologically, man is defined as primate by the species Hom.o sapiens, of which the only living subspecies is Hom.o sapiens sapiens. It is quite clear that man's closest living relatives are the African apes, chimpanzees and gorillas, and it is almost certain that chimpanzees are more closely related to us than to gorillas.
The early development of the human race took place in Africa. All fossils from our evolution from 7 million years ago to 2 million years ago that were found lived in Africa. Sometime almost 2 million years ago, however, human-like creatures of the genus Hom.o began to spread around the world, and fairly quickly populated large parts of Asia and Europe, all the way to Indonesia and China. Regarding the geographical origin of modern man, there are two main explanatory models.
According to the Out of Africa hypothesis, modern humans evolved in Africa and from there spread out over the world, competing with other hominids. The multiregional hypothesis instead claims that humans evolved in parallel from several at least partially isolated populations of hominids.
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