A: large
B: small
C: unchanged
D: uncertain
举一反三
- 4. Small cell is a kind of .
- Counting is different from number sense in that counting is ______. A: dependent on simpler mental activity B: a kind of ability possessed by man C: found in animals as well as man D: the ability to distinguish differences in small sets of objects
- An individual nerve cell usually has a large cell body and a __________ nucleus. A: cohesive B: immature C: conscientious D: conspicuous
- We are all _________ winning this contract. A: giving in B: counting in C: giving away D: counting on
- The timer T1 of 8051 single chip microcomputer is used as counting mode, and the counting pulse is. A: Input from T1 (p3.5) B: Provided by internal clock frequency C: Input from t0 (p3.4) D: Counting by external counting pulse
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Compared to some other developing countries, the cell phone market in China is ( ).
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The ultracentrifuge can also be used to separate cell components on the basis of their buoyant density, independently of their
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A plasma cell has developed from a B cell. Compared to the cell from which it was derived, the plasma cell A: displays more pMHC Class II B: is a more efficient antigen presenting cell C: recognizes different epitopes D: releases soluble immunoglobulins E: undergoes more efficient isotype switching
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token counting machine
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The imbalance distribution of Na+ and K+ inside and outside the cell is due to () A: the high permeability of cell membrane to K+ in rest condition B: the increase of the permeability of the cell membrane to Na+ when excited C: the result that Na+ and K+ moving across the cell membrane by facilitated diffusion D: the effect of Na+ pump E: the effect of ATP