题目内容
（请给出正确答案）
A、Codons
B、Genomes
C、Exons
D、Pseudogenes
E、Multigene families
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“______ are sets of genes that are similar in sequence but encode different products.”相关的问题
A、Reusing
B、Land filling
C、Combustion energy generation
D、--
A、[A]土样被从不同深度取出，进行检验，看是否有含油的迹象。
B、[B]从不同深度取出土样以后，便进行检验，看是否有含油的迹象。
C、[C]根据含油的迹象，土样被从不同深度取出，对之进行检验。
D、[D]为了寻找含油的迹象，从不同深度取出土样以后，便进行检验。
A、good at accessing their imaginations
B、good with mathematics and physics
C、found to have a genetic characteristic
D、found to be capable of visualizing
| 语法填空。 Experts say there are several ways to deal with stress. They include deep breathing and a method of guided thought called meditation. They also include exercise, eating healthy foods, getting enough rest and balancing the time1(spend)working and playing. Exercise is one of2most effective stress-reduction measures. Running, walking or playing sports causes physical changes3make you feel better. Exercise also improves the body's defense system4 disease. And studies have found that5helps protect against a decrease in mental ability. Doctors say deep, slow breathing is also helpful. Many6(medicine ) studies have shown that clearing the mind through quiet meditation7(help ) you become calm. This causes lower blood pressure, reduces muscle tension8decreases heart rate. Experts also say keeping stress to yourself can make problems9(bad ). Researchers have linked the failure10identify and express emotions to many health conditions. These include eating disorders, fear disorders and high blood pressure. (160) |
A、first position of a codon
B、second position of a codon
C、third position of a codon
D、exons
E、untranslated regions
A、comparative anatomy.
B、the fossil record.
C、the distributions of species (biogeography).
D、direct observation such as the evolution of pesticide resistance.
E、the change an organism undergoes as it ages.
A、Similar
B、Paralogous
C、Homologous
D、Phylogenetic
E、Parsimonious
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