In RNA, the base ____ takes the place of the base thymine

a. deoxyribose
b. ribose
c. pentose
d. guanine

e. uracil


e

Biology & Microbiology

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Vectors can transfer ____

a. DNA sequences into bacterial host cells for cloning b. DNA sequences into viral host cells for cloning c. cloned viral cells into a bacterial host for cloning d. cloned mitochondria from donor cell to host cell e. cloned chromosomes from the nucleus of a cell into its cytoplasm

Biology & Microbiology

Which evolutionary process occurs when the hybrids in a hybrid zone are as fit as either of the parental populations?

a. fusion b. blended c. stability d. equilibrium e. reinforcement

Biology & Microbiology

Gibberellins affect many processes in plants. In seeds embryos, gibberellins are believed to signal hydrolysis of the stored food reserves through inducing the synthesis of the enzyme ?-amylase. Which food source are gibberellins targeting with the release of ?-amylase?

A. protein B. omega-3 fatty acids C. glycogen D. fructose E. starch

Biology & Microbiology

One common feature with G-protein coupled, enzyme-linked, and growth factor receptors is that their activation leads to activation of protein kinases.

Answer the following statement true (T) or false (F)

Biology & Microbiology