The membrane around the outside of all bones is the _____
pericardium
parietal pleura
mucous
periosteum
D. periosteum
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An inhibitory postsynaptic potential (IPSP) occurs in a membrane made more permeable to _____
A) potassium ions B) sodium ions C) calcium ions D) ATP E) all neurotransmitter molecules
Which of the following organelles can grow and divide to reproduce themselves?
A. mitochondria only B. chloroplasts only C. peroxisomes only D. both mitochondria and chloroplasts E. Mithochondria, chloroplasts, and lysosomes can reproduce themselves.
Many animals have a mutually-beneficial, symbiotic relationship with bacteria that reside in their guts. To study the effects of these relationships in more detail, research organisms such as fish and mice have been raised under germ-free conditions. What important process do you predict is compromised in germ-free mice?
A. synthesis of essential amino acids B. vitamin C synthesis C. leptin synthesis D. vitamin D synthesis E. vitamin K synthesis Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about essential nutrients can be made by bacteria in the intestines? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
A population being separated by a river or mountain range is an example of ___________ isolation, which over time may result in speciation.
Fill in the blank(s) with the appropriate word(s).