Early amino acids may have originated

a Deep in the crust

b At hydrothermal vents

C Elsewhere in the solar

system

d All of these

The base pairs in a DNA strand are held together with hydrogen bonds. If the two nitrogenous bases in each pair were held together with covalent bonds instead of hydrogen bonds, what effect would it have on the cell?

A woman expressing a dominant phenotype is heterozygous (dd) at the gene. part a what is the probability that the dominant allele carried by the woman will be inherited by a grandchild?

How is flu season defined and what are criteria for definition

Which of the following is correct for the effect of linkage on recombination? It increases the percentage of recombinants. It results in 50% recombinants. It reduces the percentage of recombinants.

How is gene regulation in prokaryotes and eukaryotes similar how is it different?

What is thought to be most responsible for the salinity of the oceans

What is one function of the smooth endoplasmic reticulum

Are people Producers, Decomposers, or Consumers?

How much of the Amazon has been discovered?

Lets have a discussion: recombinant dna on a human. what are your thoughts? unethical, or a possible breakthrough?