Which statement best describes vestigial structures

A. All animals have them

B. They are necessary for an organisms survival

C. They contain genetic mutations

D. They may have had an important function in the past.

AZT is an effective drug for treating HIV-infected individuals because it prevents the replication of new viral particles. The HIV virus has a genome made of RNA. Of the following, which represents the most likely target for the action of AZT? a.

The endomembrane system functions to make atp. Does not exist in plant cells. Includes the endoplasmic reticulum and the mitochondria. Is present in prokaryotes. Includes the golgi apparatus and the endoplasmic reticulum.

How do autotrophs obtain energy? How do heterotrophs obtain energy?

At the beginning of cellular respiration, energy is stored in the bonds of carbon dioxideATPglucose molecules.

A (n) is a change in the nucleotide sequence of DNA. A (n) is an alternative version of a gene. A (n) is a group of individuals of the same species living in the same area that interact with each other.

The process where sediments turn into a sedimentary rock through compaction or cementation is called

Which group of microorganisms is most likely to spoil a freshwater trout preserved with salt? A) Psychrophiles B) Facultative halophiles C) Anaerobes D) Thermophiles E) Hyperthermophiles

What is unique about dogs?

3. The best thing you can do to keep a positive relationship with your supervisor is to

What contains both communities and ecosystems?