SAT2生物专业词汇R.

　　下面为大家整理的是关于SAT2生物专业词汇中以字母R为开头的相关词汇，非常详细。大家在备考自己的SAT2生物考试的时候，可以把份词汇作为查缺补漏的单词表，也可以作为备考前期的准备进行参考。一起来看看详细内容吧。

　　Recessive(隐性)

　　Rers to an allele that cannot control the phenotype unless it is the only kind of allele present, as in a homozygote or hemizygote. Also rers to the trait or phenotype produced when only a recessive allele is present. The opposite of recessive is dominant.

　　reproductive isolation(生殖隔离)

　　The inability of individuals within a species to create offspring with members of any other species. The mark of a species is its reproductive isolation from all other species.

　　respiratory system(呼吸系统)

　　The organ system responsible for the intake of oxygen and diffusion of that gas into the blood and the elimination of carbon dioxide from the body. Important structures of the system are the pharynx, larynx, trachea, bronchi, bronchioles, and lungs. Alveoli in the lungs are the location of gas exchange with the blood. The movement of the muscular diaphragm allows the lungs to inhale and exhale.

　　ribonucl acid (RNA/核糖核酸)

　　One type of nucl acid polymer. RNA nucleotides’ sugars contain one more oxygen atom than DNA nucleotides’ sugars. RNA nucleotides can have the nitrogenous bases adenine, cytosine, guanine, and uracil.

　　Ribosome(核糖体)

　　Organelle responsible for protein synthesis. Ribosomes are located in cytoplasm or endoplasmic reticulum.

　　Root(根)

　　The part of a plant beneath the soil; responsible for collecting water and minerals from the soil, storing nutrients, and securing the plant to the ground. Can be fibrous or a taproot.

　　root hair(根须)

　　An outgrowth of a plant root that provides an increased surface area for the absorption of water and dissolved minerals from the soil.

　　Runner(匍行)

　　Slender horizontal stem that can form new plants via specialized nodes.

　　以上就是以字母R开头的SAT2生物专业词汇的全部内容,包括了详细的汉语翻译和英语含义解析。大家在备考SAT2生物考试的时候，重要的一个备考项目就是记忆相当数量的专业词汇。所以对于上面列举的这些单词，大家一定要在备考中加以熟悉和记忆。

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