Answer:
20
Explanation:
There are 20 types of amino acids in proteins, each one has different chemical properties. A protein molecule is made from a long chain of these amino acids, each linked to its neighbor through a covalent peptide bond.
Answer:
Unbalanced
Explanation:
The forces acting upon Colin, his friends pushing and gravity, are unbalanced
Answer:
Mutation causes brand new alleles the others just modify the rates at which preexisting alleles appear in the population.
Answer:No
Explanation:Plants will not just have to rely on one animal to help reproduce. Plants can mimic things such as scents or looks to be an incentive for other animals. Wind and water can also help transport pollen. Plants always have pollinators such as wind, water, insects, and animals. Plants use mimicry in order to attract the biotic pollinators. Plants will never have trouble reproducing because they have so many different pollinators.