2. Describe what would happen to a plant cell and an animal cell if they were placed in the following solutions (give the specific names for each phenomenon: crenation, plasmolysis, etc.) a) Hypertonic b) Hypotonic c) Isotonic

During diffusion an individual particle moves: A) randomly toward the region of lower concentration B) randomly toward the region of higher concentration C) randomly towards the center of the container D) not at all

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The movement of water along a concentration gradient through a semi-permeable membrane: A) osmosis B) endocytosis C) diffusion D) active transport Question 4 Which bonds are created when the primary structure of a protein forms? OA) peptide bonds B) ionic bonds C) glycosidic bonds D) hydrogen bonds

1.Most human bacterial pathogens are labeled as __ according to their temperature requirement: a) Aerophiles b) Aerobes c) Anaerobes d) Psychrophiles e) Mesophiles.2) The current model that describes the contents of the plasma membrane is best described as _______ model: a) Sandwich b) fluid-mosaic c) unit membrane d) ions and pumps e) semipermeable3) Bacterial cells that do not have the SOD & catalase enzymes are labeled as: a) Aerophiles b) Aerobes c) Anaerobes d) Complex e) Mesophiles.

92. Which of the following is the most prominent ultrastructural characteristic of interstitial (Leydig) cells? A) Centrioles B) Numerous microtubules C) Rough endoplasmic reticulum D) Smooth endoplasmic reticulum E) Zymogen granules

All eukaryotes contain A) a membrane-enclosed nucleus. B) mitochondria. C) hydrogenosomes. D) a nucleus, mitochondria, and hydrogenosomes.

Which is true of Prokaryote cells? A) Because their DNA exists in a nucleoid area, the synthesis of proteins depends on random interactions between mRNA and rRNA, B) They contain membrane-bounded compartments or organelles. C) A true nucleus contains the DNA in the form of chromosomes D) Some contain mitochondria E) They contain many organelles in the cytoplasm

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