Which substance is a nucleic acid?

A. amino acid

B. fat

C. polysaccharide

D. RNA

Identify the following features as homologous, analogous, or vestigial. The coccyx or tail vertebrae on humans.

Describe the cellular regions where glycolysis, the Krebs cycle, and the electron transport chain occur.

Name three different freshwater ecosystems. Name two aquatic ecosystems that are not made of solely freshwater and no freshwater.

According to the food web which organism is an herbivore? A. producers B. primary consumers C. secondary consumers D. tertiary consumers

HOw are producers, consumers, and decomposers alike and different

Which of the following is a characteristic that could be applied to both living and nonliving things

What is wrong with the cellular respiration equation?

What is involved in the synthesis of a new molecule?

As rescuers in a population becomes less available. the population

A mutation that results in a single amino acid substitution in the active site of an enzyme A) may alter the ability of a noncompetitive inhibitor to bind to the enzyme. B) may alter the ability of an allosteric regulator to alter enzyme activity.