In RNA, the base ____ takes the place of the base thymine
a. deoxyribose
b. ribose
c. pentose
d. guanine
e. uracil
e
You might also like to view...
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
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
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
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)