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单选题 Animal and plant cells are typically ______ μm in diameter
学科：Cell Biology 《细胞生物学》一 专业基础课（全英教学）
时间：2023-05-10 11:19:36
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题目1单选题
Which of the following organelles produces ATPA. ChloroplastB. Endoplasm reticulum (ER)C. MitochondriaD. Golgi apparatus
题目2单选题
The basic unit of life is ______A. organB. cellC. tissueD. system
题目3单选题
Animal and plant cells are typically ______ μm in diameterA. 5-10B. 5-15C. 5-20D. 5-50
题目4单选题
In all living cells, genetic information flows from DNA to RNA (transcription) and from RNA to protein (translation)—a sequence known as the central ________A. ruleB. ideaC. storyD. dogma
题目5单选题
The appearance and behavior of a cell are dictated largely by its ________ molecules, which serve as structural supports, chemical catalysts, molecular motors, and so onA. DNA and RNAB. fatC. proteinD. sugar
题目6单选题
All organisms use the same set of ___ amino acids to make their proteinsA. 16B. 18C. 20D. 24
题目7单选题
Cells were not made visible until the __th century, when the microscope was inventedA. 16B. 17C. 18D. 19
题目8单选题
Using a light microscope, Robert Hooke examined a piece of ____ and in 1665 reported to the Royal Society of London that the cork was composed of a mass of minute chambers. He called these chambers "cells," based on their resemblance to the simple rooms occupied by monks in a monasteryA. corkB. onionC. meatD. fish
题目9单选题
The light microscope allows us to magnify cells up to _____ times and to resolve details as small as 0.2 µm (a limitation imposed by the wavelike nature of light, not by the quality of the lenses)A. 500B. 1,000C. 1,500D. 2,000
题目10单选题
Fluorescent dyes used for staining cells are detected with the aid of a fluorescence microscope. This is similar to an ordinary light microscope except that the illuminating light is passed through __ sets of filtersA. 2B. 3C. 4D. 6
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