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加拿大留学 SAT2生物专业词汇
点击率:361  作者:  来源:  时间:2014-8-6
 下面是加拿大教育联盟(http://www.liuxueca.com)专家为大家整理的是SAT2生物专业词汇中以字母I开头的词,后面附有汉语翻译和英语含义详细解析。大家在备考SAT2生物考试的时候,最需要备考的就是SAT2生物词汇,下面大家就一起来看看详细内容吧。   Imprinting(印记)   Instinctual behavior in which social bonds are formed during early development. Typically used with the example of a newly hatched bird or other animal identifying and treating the first moving object it sees as its mother.   incomplete dominance(不完全显性)   Occurs when two different alleles of the same gene are both partially expressed in a heterozygote. The resulting phenotype is intermediate between the homozygous phenotypes of the two alleles. Color in a four o’clock flower is an example of incomplete dominance.   independent assortment(单独分类)   Mendel’s conclusion that during gamete formation, the segregation of one pair of genes has no influence over the segregation of another pair of hereditary units. Two different traits will thus be inherited independently of each other. This law holds true, except for linked genes. It is often called Mendel’s second law.   inheritance of acquired traits(获得性状遗传)   A crucial, and incorrect, aspect of Lamarck’s theory of evolution. Lamarck believed that the traits a parent acquired during its lifetime would be passed on to its offspring.   Instincts(本能)   Behavior that is hardwired into the brain of an organism; behavior that does not have to be learned.   Insulin(胰岛素)   Hormone secreted by the pancreas that reduces blood sugar levels. A lack of insulin can result in diabetes.   Interphase(间期)   The phase of the eukaryotic cell cycle in which the cell prepares for division, primarily by replicating its DNA. After interphase, the cell enters mitosis.   intertidal zone(潮间带):涨潮线与落潮线中间之地区   The most shallow zone in a marine habitat. Periodically dry or wet with the changing tides. Algae, sponges, mollusks, starfish, and crabs inhabit this zone. Also called the littoral zone.   Ion(离子)   An atom or molecule that has lost or gained an electron and consequently has a positive or negative charge.   Isotonic(同渗压的)   A situation in which the concentration of solutes in a solution is equivalent to what it contains. There is no concentration gradient in isotonic solutions and no net flow of solutes or water.   以上就是关于以字母I开头的SAT2生物专业词汇的全部内容,不是很多。大家可以在备考SAT2生物考试的时候,根据自己的实际情况,一边做题,一边记忆词汇,这样就可以达到更好的记忆效果了。
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