Which best describes the structure of DNA?

A. Alleles held together by genes

B. A tetrad with two sister chromatids

C. Nucleic acids arranged in a double helix

D. Chromosomes linked in a loop

Explain what the relationship between soils and acid deposition is?

Deer are mammals, and therefore have systems that are basically the same as other mammals. Which describes how gas exchange takes place? A. Oxygen is absorbed through capillaries in the skin. B. Water flows over the gills in one direction. C.

Which statement most accurately explains how allosteric regulation can change an enzyme's catalytic activity? View Available Hint (s) Which statement most accurately explains how allosteric regulation can change an enzyme's catalytic activity?

A behavior that an animal doesnt learn is an?

How many different codons can code for the amino acid tryptophan (Trp) ?

34. Which of the following is a heterotrophic organism? a. Pine tree b. Sunflower c. Mosquito d. Seaweed

How is ruminants stomach different from human stomach?

Cross-cultural research on human development indicates that

Use the drop-down menus to identify the scientists who match the descriptions below.

Which best describes a tendon? a flexible tissue that acts as a shock absorber between bones a somewhat elastic tissue that connects bone to either bone or cartilage a flexible and compressible tissue that provides joint stability a tough and