作者shok (孤单北半球)
看板Biology
标题Re: 几个普生小问题
时间Thu Apr 13 22:45:27 2006
※ 引述《[email protected] (bofanchen)》之铭言：
: 做考古题不会又找不到答案的小问题 请高手们指教了
: 1. About how much of the sugar formed in a plant is used by the plant itself
: during cellular respiration? a)1% b)10% c)50% d)98% e)100%
E
: 2. Genes that are inactive for long periods of time tend to be bound to
: a) each other b) methyl group c) actin and myosin
: d) the nucleolus e) sulfate
B
: 3. Restriction enzymes are synthesized by a) bacteria only
: b) yeast and bacteria c) eukaryotic cell d) all kinds of cells
D
: 4. The maximum frequency of a recombination of genes at two loci is
: (I.e.% recombinant from its zygotes) a)25% b)50% c)75% d)100%
B
: 5. Of all the texa, the only one that exists in nature as a biologically
: cohesive unit is the a) species b) genus c) phylum or division d)kingdom
这题我就连题目都不懂了
: 6. The most diverse and widespread of all contamporary plants are the
: a) mosses b) ferns c) conifers d) angiosperms
D
: 7. The parts of neurons that recieve neurotransmitters and pass on
: graded electronic potentials toward the soma are the
: a) myelin sheaths b) axons c) axon hillocks d) dendrites
D
: 对生物高手来说应该很简单吧....
: 可是我花了一个下午翻遍书都找不到确定的答案...
:
对我来说还是有一点难
因为我不是生物高手
更不是生物系的
只是正在学习生物之浩瀚的人
所以答案就参考参考搂
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1F：推 njp13:第五题是指分类学上有内聚性的分类层级为何 我想是A吧 04/14 21:46