Answer:
The correct oder is given below:
Explanation:
The oder of the events during muscle conratction as as follows:
- Acetylcholine crosses the gap at the neuromuscular junction.
- Calcium is released into the sarcoplasm.
- Actin and myosin form links.
- Myosin cross-bridges pull actin filaments inward.
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.
Answer: Base pairs are formed when adenine forms a hydrogen bond with thymine, or cytosine forms a hydrogen bond with guanine. The second part of a nucleotide is the phosphate, which differentiates the nucleotide molecule from a nucleoside molecule.
Explanation:
Answer:
nucleus im pretty sure haha
Explanation:
Observational study because the scientists are just observing the flock and not touching them or anything :)