The poison ricin inactivates which of the following cellular organelles?
a. mitochondria
b. ribosomes
c. smooth ER
d. Golgi bodies
e. nucleus
b
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Answer the following statements true (T) or false (F)
1. Territory marking is common in canids and felines. 2. Operant conditioning proceeds through trial and error. 3. Worldwide human population growth has been exponential since the Industrial Revolution. 4. According to the demographic transition model, a population's death rates decline before its birth rates.
Female gonads are regulated by __________ hormone and luteinizing hormone. Fill in the blank(s) with the appropriate word(s)
Many antibacterial agents and chemotherapy agents act as topoisomerase inhibitors. Why would inhibition of topoisomerase cause cell death in bacterial and eukaryotic cells?
What will be an ideal response?
Menstruation occurs when there is a decrease in
A) levels of estrogen and progesterone. B) the number of follicles. C) levels of FSH and LH. D) endometrial thickness. E) the number of sperm present.