Which of the following determines genetic sex (male or female) in mammals?
A. the Y chromosome contained in the egg
B. the SRY gene on the Y chromosome
C. the temperature of the developing fetus
D. the genetic makeup of the parents
E. the acrosome of the sperm
B. the SRY gene on the Y chromosome
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You have been studying the effect of a concentration gradient on the rate of transport of a nutrient into a bacterial cell. If a carrier protein is involved in the transport of this nutrient, which curve would you expect to see?
A. B B. A C. C
RNA molecules that act as enzymes to catalyze specific biochemical reactions are
A) RNases. B) splice acceptors. C) ribozymes. D) tRNAs. E) restriction enzymes.
Some cells are very large, seemingly in defiance of maintaining a large surface area to volume ratio. What are some
strategies or adaptations that these cells may use in order to maintain a reasonable surface area to volume ratio? What will be an ideal response?
The most common route of transmission for true pathogenic fungi is ingestion of spores.
Answer the following statement true (T) or false (F)