Point mutations can occur in any given cell type, but they mostly affect only that one cell and cells produced by it. What cell type, if mutated, would allow the mutation to be passed on to family members for generations?
A) glial cells, such as those that produce a myelin sheath
B) skin cells
C) white blood cells
D) gametes, such as an egg or sperm
D
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Answer the question using the accompanying figure.Which structure vibrates and bends the sensory hairs?
a. 1 b. 2 c. 3 d. 4 e. 5
If you wanted to stop the function of the sodium-potassium pump in a neuron, you could starve the cell of ATP because this pump is driven by
A. simple diffusion. B. active transport. C. osmosis. D. phagocytosis. E. facilitated diffusion.
Which one of the following correctly describes the order of stem cells from the lowest degree of flexibility to the highest degree of flexibility?
A) unipotent< multipotent < pluripotent < totipotent B) multipotent< unipotent < pluripotent < totipotent C) pluripotent< unipotent < totipotent < multipotent D) unipotent< multipotent < totipotent < pluripotent
In the heart of Costa Rica there's a private reserve called Rara Avis. Here, one can hike high into the mountains of a tropical cloud forest to take guided nature hikes and learn about this unique ecosystem
What principle applies to this tactic of habitat preservation? A) critical habitat designation B) ecotourism C) regulations D) exploitation