Four of the five structures listed below are related by
a common quantity. Select the exception.
a. urethra
b. testis
c. ejaculatory duct
d. vas deferens
e. epididymis
Answer: a
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Indicate whether the statement is true or false.
Which of the following indicates when the tree was likely suffering drought stress?
1.The close location of two cycles of early wood shown in A.
2.The lack of xylem vessels in C.
3.The large vessels in the xylem shown in B.
4.The two series of xylem vessels close together shown in D.
A classic example of imprinting is _____
a. Pavlov’s dog b. a sparrow singing a song c. Lorenz and his geese d. a cuckoo bird being a “brood parasite” e. watching television
Where does the initiator protein bind DNA at the start of replication?
A) At a replication fork B) At an origin of replication C) At any AT-rich region D) At a promoter region E) At a start codon