The first embryonic stem cells that were discovered to be totipotent were isolated from a

A. blind dog.
B. mouse.
C. human pancreas.
D. sheep.


Answer: B

Biology & Microbiology

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The resting membrane potential (inside relative to outside) of the squid giant axon is approximately

A. -300 mV. B. -70 mV. C. 0 mV. D. 70 mV. E. 300 mV.

Biology & Microbiology

In approximately __ % of anorexia nervosa patients suffer complications from starvation resulting in death, and there is a high rate of suicide among persons with it.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following features would be found in the epidermis layer of the skin?

A. composed of collagen fibers, cells produce keratin, contain melanocytes, offers a layer of protection against bacteria B. stratified cuboidal epithelium, cells produce keratin, contain melanocytes, offers a layer of protection against bacteria C. stratified squamous epithelium, cells produce keratin, contain melanocytes, offers a layer of protection against bacteria D. stratified squamous epithelium, cells produce keratin, contains a large amount of adipose tissue, offers a layer of protection against bacteria E. stratified squamous epithelium, contains specialized nerve endings, offers a layer of protection against injury

Biology & Microbiology

A method enveloped viruses can use to gain entry to the host cell

What will be an ideal response?

Biology & Microbiology