Whether skin is penetrated
What will be an ideal response?
Open (compound) and closed (simple)
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What mineral do women need less supplementation of after menopause and why do they need less of this mineral?
What will be an ideal response?
One technique used to yield a transgenic animal is to
A) amplify DNA from a donor animal and another organism of interest using PCR. B) remove all of the DNA from an animal fetus, and insert new DNA of interest through the use of synthetic DNA "carriers." C) microinject the DNA of interest into an animal's egg. D) introduce proteins from a foreign organism into the blood of a pregnant animal, so that the protein sequences will be used to produce a new DNA template. E) inject the DNA of interest into an animal's bone marrow.
Arrange the following stages of oogenesis in sequential order
1) secondary oocyte 2) oogonium 3) ovum 4) primary oocyte a. 4 ? 1 ? 2 ? 3 b. 4 ? 3 ? 2 ? 1 c. 3 ? 2 ? 4 ? 1
d. 2 ? 3 ? 4 ? 1 e. 2 ? 4 ? 1 ? 3
MERS is a human coronavirus. It is an enveloped virus with a positive ssRNA genome. The envelope is acquired
a) during the initial contact with the host cell b) during penetration of the host cell when endocytosis occurs c) during viral release from the host cell d) during viral protein translation