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HACTEHA [7]
3 years ago
10

What affect would a damaged thlaykoid membrane have on photosynthesis

Biology
1 answer:
fenix001 [56]3 years ago
4 0

Answer:

dark reaction

Explanation:

The dark reactions then occur outside the thylakoid. In these reactions, the energy from ATP and NADPH is used to fix carbon dioxide (CO2). The products of this reaction are sugar molecules and various other organic molecules necessary for cell function and metabolism.

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Which of the following best describes what happens to a cell's genetic material during the process of meiosis II?
balandron [24]

Answer:The answer is option A sister chromatids are separated from each other to form gametes.

Explanation:

Meiosis is a  type of cell division which produces 4 daughter cells with different genetic material. The ploidy number or set of chromosomes is reduced to half in the newly formed daughter cells.This process usually proceeds in two divisions-meiosis I and meiosis II with four stages in each division which are prophase, metaphase, anaphase and telophase.Sister chromatids separate from each other during anaphase II of meiosis II which produces four haploid gametes from two intermediate cells formed by meiosis I.Thus, sister chromatids are separated from each other to form gametes is the correct answer.

5 0
3 years ago
Use the mechanisms of meiosis to explain why most mules are sterile.
Tema [17]

Answer:

3. An even number of chromosomes are required for synapsis during prophase I and proper pairing during metaphase

Explanation:

Mules are hybrids of a cross between a female horse and a male donkey. Horses contain 64 chromosomes while donkeys contain 63 chromosomes in their somatic cells respectively. This means that they each produce 32 and 31 chromosomes respectively during meiosis. A mule, hence, contains 32+31= 63 chromosomes in their somatic cells.

This chromosome number in mules are uneven for meiosis to occur because meiotic division requires that an even number of homologous chromosomes pair together in a process called SYNAPSIS during prophase I of meiosis I. This is impossible in a mule because of the uneven number of chromosomes in its cells.

Also, during metaphase of meiosis, the homologous chromosomes need to be properly aligned at the equator for separation to occur. This is also impossible in a mule considering the number of chromosomes that don't add up.

Due to this reason of unevenness in the number of chromosomes present in a mule, meiosis will not occur and if meiosis (gamete formation) does not occur, reproduction cannot take place. Therefore, the mule is a sterile species i.e. cannot produce offsprings via sexual reproduction.

4 0
3 years ago
Experiment 5 with yeast supported the claim that anaerobic respiration was taking place. The experiment was repeated using unboi
Musya8 [376]
<span>No, it does not mean that the interpretation or design of the first experiment was wrong. What it could mean is that using unboiled water or the lack of paraffin was not the catalyst that caused the carbon dioxide to be produced.</span>
7 0
3 years ago
Two cells have the same volume and similar shape, but one has microvilli extending from its cell membrane while the other does n
Naily [24]

be slower at absorbing nutrients than the other cell

Explanation:

The cell without the microvilli will be expected to have as slower absorption rate of nutrient than the other cell.

  • Microvilli are finger-like projections from the surface of the cell.
  • The structure has a large surface area to volume ratio which allows for nutrient to be absorbed easily.
  • These structures are very important during the absorption of digested food in cells.

Cells without this structure will not absorb food faster.

Learn more:

Microvilli brainly.com/question/11115604

#learnwithBrainly

3 0
3 years ago
Vocabulary (Put the definitions in your own words):
ra1l [238]

Answer:

an aerobic respiration is the type of respiration that uses oxygen to provide energy for the body

an anaerobic respiration is the type of respiration that does not use oxygen to provide energy for the body

to provide energy

carborn dioxide

glucose+oxygen =carbon dioxide +water +energy

8 0
3 years ago
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