The effects of protein kinases are reversed by another group of enzymes called ____
a. hydrolases
b. catalases
c. isomerases
d. phosphatases
e. proteases
ANSWER: d
You might also like to view...
Which of the following is an example of a modified underground bulb with fleshy leaves for storage?
a. onion b. white potato c. gladiolus d. ginger e. strawberry
Explain how the diversification of mammals may have been greatly aided by the diversification of the angiosperms, and vice versa
What will be an ideal response?
The first plants evolved rapidly during which time period?
a. Triassic b. Silurian c. Devonian d. Ordovician e. Carboniferous
A biologist isolates numerous tiny, green pigment cells from a sample of lake water. The cells are covered with a mucilaginous sheath. They contain relatively large amounts of chlorophyll a and phycobilin pigments and lack a compact, organized nucleus. Electron microscopy will reveal that these cells are also contain which of the following pairs of subcellular structures?
A. Ribosomes and chloroplasts B. Ribosomes and mitochondria C. Golgi bodies and a cell wall D. Thylakoids and a cell wall E. Chloroplasts and mitochondria