The two strands of a DNA double helix are held together by:

A. ionic bonds.

B. hydrogen bonds.

C. nonpolar covalent bonds.

D. polar covalent bonds.

E. hydrophobic exclusions.

Why did we make sure to include a start and stop dna sequences for the jellyfish?

Which is a function of nucleic acids? regulate cell processes provide structure break down energy fight disease

Why do different biomes have different characteristic organisms?

The nurse prepares four clients for surgery. the nurse is most concerned about the psychological adjustment of which client

Mutations and polymorphisms are both changes in a DNA sequence, but polymorphisms are more common becauseA. they less severely affect the phenotype, so that individuals can reproduce and transmit them. B. more people have them. C.

What would happen if your backbone and spinal cord was injured at your waist

Label the steps for protein synthesis in order, beginning with the first step. step onestep twostep threestep four step five Once the protein is made, the gene for a particular trait is expressed.

In humans, the ability to produce the pigment melanin is dominant over the lack of that ability, a condition known as albinism.

A researcher has sequenced a gene that has two alleles. she has a mixture of both alleles and clones them into e. coli using plasmids. she is interested in one particular allele that is correlated with a disease.

List 3 roles of DNA in relation to genetic information: