Which of the following is a hominin?
a. chimpanzee
b. Australopithecus
c. baboon
d. chimpanzee and Australopithecus
e. chimpanzee, Australopithecus, and baboon
B
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During metaphase of mitosis, how many telomeres are present in a cell in which 2n = 12?
A) 6 B) 12 C) 24 D) 48 E) 1200
An organism called Bacillus fastidiosus
A. might be expected to be very flexible as to growth requirements. B. might be expected to be very strict as to its growth requirements. C. would probably be grown on amedium rich in growth factors. D. might be expected to have a rod shape. E. might be expected to be very strict as to its growth requirements, would probably be grown on amedium rich in growth factors , AND might be expected to have a rod shape.
Sequencing the genes of humans is important because
A) it provides information on how to build lipids in the cell. B) it will allow scientists to create human clones. C) knowing the nucleotide sequence of human genes will aid in the treatment of diseases caused by them. D) it will give us a better understanding of agricultural animals.
Which of the following cell types conducts water most rapidly through a plant?
A. sieve tubes B. phloem C. vessel members D. parenchyma cells E. sclerenchyma cells