Which of the following animals in an arctic ecosystem is considered a carnivore?
a. arctic hare
b. vole
c. snowy owl
d. insects
e. bacteria
ANSWER: c
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Temperature extremes, lack of water, and other environmental stresses trigger an increase in which hormone?
a. gibberellin b. auxin c. abscisic acid d. ethylene e. cytokinin
Somatic cell nuclear transplant
a. is a process by which a defective nucleus is replaced with a healthy one. b. is a process by which a nucleolus is removed and replaced with another nucleolus from any other healthy cell. c. is a process by which the nucleus of an unfertilized egg is removed and replaced with the nucleus of an adult animal cell. d. is a process by which adult cells are converted into sex cells. e. is all of these
The wing of a penguin is ________ the wing of a butterfly
A) structurally identical to B) superior to C) homologous to D) analogous to
Which of the following radiate from the centre of the cell and anchor the ER, Golgi complex, lysosomes, and secretory vesicles in place?
a. microfilaments b. microtubules c. actins d. laminins