Which of the following is true for most genes?
A. A gene is a segment of DNA that contains the instructions for making a particular protein.
B. A gene is a segment of DNA that contains the instructions for making a particular RNA.
C. A gene is a unit of heredity that contains instructions that dictate the characteristics of an organism.
D. All of the above are true regarding genes.
E. None of the above are true regarding genes.
Ans: D. All of the above are true regarding genes.
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The tuft of fenestrated capillaries at which filtration takes place in the mammalian kidney is referred to as the
A. glomerulus. B. Bowman's capsule. C. renal corpuscle. D. proximal convoluted tubule. E. collecting duct.
Volume increases by the ____ of the diameter,
and surface area increases by ____ of the diameter. a. square; doubling b. square; the cube c. cube; the square d. cube; the cube e. none of these is the correct answer
The __________ develops into a corpus luteum
a. zona pellucida b. uterine wall c. primary oocyte d. secondary oocyte e. follicle
How does methyl mercury affect living things?
A. It inhibits the electron transport chain during cellular respiration. B. It inhibits transcription. C. It precipitates proteins. D. It interferes with translation of mRNA. E. It interferes with DNA replication.