第一章 细胞（Chapter 1 cell）.docVIP

第一章 细胞（Chapter 1 cell） Chapter 1 cell First, the multiple-choice question The main content of the 1. cell theory is that A. all living things are made up of cells B. all animals and plants are made up of cells. Cells are the units of life C. cells are the basic unit of structure and function of living organisms D. cells are made up of protoplasm 2. the following substances belong to a group of sterols A. fats and cholesterol, B., sex hormones, and vitamin D C. phospholipids and adrenocortical hormones, D., glycolipids and phospholipids 3. of the same amount of matter can be stored most A. protein, B., fat, C., starch, D., glucose The organelle with the most RNA in the 4. cell is A. ribosomal B., mitochondrial C., chloroplast D., Golgi apparatus 5. DNA present in the mesophyll cells of rice A. nucleus, chloroplast and Golgi, B., endoplasmic reticulum, mitochondria and nucleus C. mitochondria, chloroplasts and nuclei, D., nuclei, ribosomes and mitochondria 6. a group of organelles containing genetic material and capable of replicating itself A. ribosomes and endoplasmic reticulum, B., endoplasmic reticulum and plastids C., chloroplasts and mitochondria, D., Golgi apparatus and mitochondria 7. in human erythrocytes, the concentration of potassium ion is 30 times higher than that in plasma, but red blood cells can absorb potassium ions from plasma. The way potassium ions enter red cells is A. permeation; B. diffusion; C.; active transport; D. assisted diffusion 8. the major difference between prokaryotes and eukaryotes is that Does A. have a nuclear B., is there a nuclear membrane, is C. forming cytoplasm, and does D. have cell membranes? 9. of the following organisms, which do not have a cell membrane, are A. Escherichia coli, B., cyanobacteria, C., TMV, D., yeast 10. the fact that living things are made up of cells is not explained except viruses A. the unity of the biological and non biological B. the unity of the biological world C. there are certain affinities betw