People who carry genetic disorders are

(A) heterozygous.

(B) homozygous.

(C) polygenic.

(D) haploid

What are the enzymes in your body

Nitrogen fixation is performed by bacteria in nodules on the roots of legumes. What types of plants are legumes?

Why are some people left handed and some right handed

Which organisms use glucose to form ATP as their source of energy

In a scale model of the Solar System, if the Sun is represented by a ball with a diameter of about 8 inches, about how large would the Earth be? A the size of a marble B the size of a popcorn seed C the size of an apple D the size of a grapefruit

In which phase of meiosis does the chromosome number change from diploid to haploid? Prophase I Anaphase I Prophase II

Irene occasionally experiences unpredictable episodes of intense dread accompanied by chest pains and a sensation of smothering. Since her symptoms have no apparent cause, they would probably be classified as indicative of:

A scientist has discovered the means to block the chemical that directly provides cells with energy for cellular processes. Which cell substance is most likely to be inhibited by this discovery?

For questions 4 and 5, refer to the passage below. Many cells make and use an enzyme, called catalase, to facilitate the decomposition of hydrogen peroxide (H2O2). The products of the decomposition are hydrogen (H2) and oxygen (O2). 4.

Which scientific area is major force in shaping modern classification methods