During meiosis, two successive nuclear divisions happens namely Meiosis I or reduction and Meiosis II or division. In meiosis I, it separate chromosomes after allowing crossing over. In meiosis II, it the then separates each chromosomes by splitting them. This division produces 4 haploid cells.
Answer:
DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies.
Explanation:
Answer:
A. true
B. false
C. true
D. true
E. true
Explanation:
A. it works kind of like a door lock they have a specific alignment in which it can fit only the complimentary substrates.
B. their shape isn't affected by the reaction. however their structure can be affected due to constant reuse.
C. they are biological catalysts that break down bonds which helps in making digestion faster.
D. for example: digestion, neutralization...
E. pH can affect the enzyme's shape which will slow it down, temperature can help the enzyme work faster however if it gets too high it will affect the enzyme's shape.
A botanist scrapes pollen off a flower of one plant and then uses it to pollinate the flower of another plant this phenomena is known as artificial pollination.
