Which hormone causes glucose release and, consequently, a rise in the concentration of sugar in the blood?
A) insulin
B) glucagon
C) calcitonin
D) oxytocin
Answer: B
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Regarding phage replication,
A. the majority of phages are temperate. B. when integrated into host DNA, the phage DNA is called a prophage. C. lambda is a good example of a temperate phage. D. All of the choices are correct.
The predictable rate of ____________________ allows tracers to be used in research studies
Fill in the blank(s) with the appropriate word(s).
All of the following are true of angiosperm
gametophytes EXCEPT that they a. produce haploid sex cells. b. arise from cells within the flowers. c. are independent of the sporophyte. d. produce eggs and/or sperm cells. e. develop by mitosis.
Some breeds of dogs that are specialized to retrieve objects from bodies of water have webbing between their toes. A change in what cellular response to positional information during digit formation could account for this morphological feature?
A. cells between the future digits do not divide before migrating to the region that will become toes B. cells between the future digits migrate, but do not divide once they are in the region that will become toes C. cells between the future digits divide, but do not migrate to the region that will become toes D. signals that cause differentiation to toes are not received by cells that become webbing E. signals to cause apoptosis are not received by cells that become webbing