Exam 1 BIOL1110 Ch 1-5 Name 1. In the fluid mosaic model the cell membrane consi

Question

Exam 1 BIOL1110 Ch 1-5 Name 1. In the fluid mosaic model the cell membrane consists of a fluid bilayer of molecules in which proteins are embedded and is in constant motion 2. have a true nucleus, highly organized membrane enclosed organelles, and a cytoskeleton. 3. Complete the fllowing ist: Doman,Kingdom Phula Class Order, Famiy, Genus Species. is an organelle composed of stacks of flattened 4. The membranous sacs involved in modifying, packaging, and sorting proteins 5. A molecule is a molecule composed of atoms with different electonegativites bound by a covalent bond. 6. The is studded with ribosomes and functions in the synthesis and assembly of proteins 7. A 8. is a positively charged ion due to loss of an electron. have no true nucleus, no membrane-bound organelles, and some have a cell wall. 9. A is an integrated explanation of some aspect of the natural world supported by consistent results from many observations and experiments 10. move ions, amino acids, and other polar molecules across the plasma membrane 11. The presence of how many membranes in the mitochondria creates its 2 different compartments. 12. Complete the following list of organismal organization: Atoms Tissues, croansOrgan Systems, Organism. is the number of protons in the nucleus. 13

Explanation / Answer

1. According to fluid mosaic model, the membrane is composed of LIPID molecules in which protein molecules are imbedded.

2. EUKARYOTES contain true nucleus.

3. Domain, kingdom, Phylum, Class, Order, Family, Genus, Species.

4. ENDOPLASMIC RETICULUM is composed of stacks of membranous vesicles and is involved in packing, modifying and sorting of proteins.

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