Which of the following is a domain in the biological tree of life?

a. Archaea
b. Protista
c. Plantae
d. Fungi


a. Archaea

Biology & Microbiology

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In radishes, long or round are homozygous forms of an incompletely dominant gene, and oval is the phenotype of the

heterozygote. If a long radish is crossed with a round radish, give the genotypic and phenotypic ratios of the F2 generation. What will be an ideal response?

Biology & Microbiology

Which is a form of diffusion where the molecules pass through a protein channel instead of between the phospholipids?

Cellular respiration Diffusion Facilitated diffusion Mitochondria

Biology & Microbiology

The ____ hypothesis predicts that ecosystem functions will be maintained more reliably in natural communities when

multiple species perform a given ecological function but differ in their responses to environmental changes

a. scientific redundancy b. ecosystem function c. biological insurance d. natural community

e. fungal dominance

Biology & Microbiology

Glucagon is effective in treating hypoglycemia because it stimulates the:

A) Breakdown of liver glycogen B) Excretion of ketones C) Transport of glucose into the cells D) Production of insulin

Biology & Microbiology