A phosphorus shortage in soil would make it difficult for plants to produce:
A. amylose
B. cellulose
C. DNA
D. starch
Answer: C
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A snake warming itself on a rock is an example of heat transfer by ________
a. thermal radiation b. convection c. evaporation d. conduction
The process that releases digestive enzymes is
a. absorption. b. assimilation. c. secretion. d. digestion. e. elimination.
What do you know about sex determination in animals? Pick the correct statement from the list below.
A: In all animals, females normally have two XX chromosomes. B: In all animals, males have two different sex chromosomes; i.e., are heterogametic. C: Dioecious organisms, the two sexes are different individuals that differ in their chromosomal make-up. D: In both fruit flies and mammals, individuals with a Y chromosome always develop as males.
Which of the following is incorrectly paired?
a. lumpectomy—removal of metastasized cells b. radiation therapy— radiation that kills cells c. chemotherapy—drugs that often target processes associated with cell growth in all body cells d. cryosurgery—localized removal of a tumor