Fertilisation. This is where the sperm meets the egg and fertilises it to allow it to become an embryo and hence a foetus.
Answer:
They showed that alternating deoxyribose and phosphate molecules form the twisted uprights of the DNA ladder.
Explanation:
. The rungs of the ladder are formed by complementary pairs of nitrogen bases — A always paired with T and G always paired with C.
Answer:
D
Explanation:
One of the assumptions of the Hardy Weinberg equilibrium is that the population should not experience mutations. Mutations are usually the base on which natural selection acts by selecting the advantageous alleles and weeding out the disadvantageous ones. This is how populations evolve.
Other assumptions of this equilibrium are; there should be no migration (hence gene flow), the population is infinitely large, and mating is random.
The one on the bottom because the one at the top is at a complete stop and is not growing.
Answer:
D
really dude, just read these types of questions the one that's really different is usually right