Answer:
<em>The number of chromosomes is maintained through the process of mitosis during asexual reproduction. </em>
Mitosis can be described as a process in which a cell divides and produces two daughter cells which are exactly similar to the parent cell. The chromosome number of the daughter cells will be the same as the parent cells. No crossing over or recombination occurs during this type of cell division. Hence, mitosis is an effective way to maintain the chromosome number of organisms which reproduce asexually.
Answer: Spallanzani's experiments concerning spontaneous generation were NOT universally accepted because <u><em>He eliminated air from his flasks by sealing them</em></u>.
Explanation:
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<em>This is an example of;</em>
B. Photoperiodism
<u>Photoperiodism is the response of an organism to seasonal changes in day length.
</u>
<u>They are classified under three groups according to the photoperiods;</u>
<u>1. Short-day plants </u>
<u>2. Long-day plants </u>
<u>3. Day-neutral plants.</u>
Answer:
D. Ribosomes
Explanation:
Rough endoplasmic reticulum (RER) bears ribosomes on it surface which give it granular apperance and they are the site of protein synthesis.
