Humans and chimpanzees last shared a common ancestor around _____ million years ago, and our genomes now differ by about _____%
A. 5-7; 1
B. 5-7; 10
C. 10-20; 1
D. 10-20; 10
E. 20-50; 50
A
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Receptor-mediated endocytosis involves vesicles with a special coat protein known as ________.
Fill in the blank(s) with the appropriate word(s).
Which cells cannot be used to produce a karyotype?
A. red blood cells B. epithelial cells C. skeletal muscle cells D. white blood cells E. smooth muscle cells
Oral infections with herpes simplex virus 1 can lie dormant in nerve cells for years, and when a patient becomes stressed, the virus is released, forming cold sores on the lips. Why would the virus form a cold sore?
a. To allow it to spread to a new host b. So that it can mutate and survive an antibiotic treatments c. To move to another part of the body d. To avoid the immune system e. To warn other people that the host is infected
Explain how proteins can be metabolized by the same pathways that oxidize glucose. What will be an ideal response?