A. stop responding to growth regulators
B. stop dividing to produce daughter cells
C. generate hormones that combat tumors
D. produce cells without a defective p53 gene
ANSWERS TO CELL PRACTICE TEST
1.C
2.A
3.D
4.D
5.B
6.A
7.B
8.A
9.B
10.A
B.) Chlorophyll is contained in organelles called chloroplasts.
C.) A by-product of photosynthesis is carbon dioxide.
D.)Roots have tiny root hairs that maximize the plant's ability to absorb water.
carbon cycle
b.
oxygen cycle
c.
rock cycle
d.
nitrogen cycle
Please select the best answer from the choices provided
A
B
C
D
Answer:
rock cycle
Explanation:
• motor neurons
• sensory neurons
• spinal cord
Osteocytes have important functions in the skeleton. Bone is a dynamic tissue that is constantly being reshaped by osteoblasts, which produce and secrete matrix proteins and transport mineral into the matrix, and osteoclasts, which break down the tissue.