BIOL 101 QUIZ 2 - Some bacterium always lives in surroundings

BIOL 101 QUIZ 2

Question 1 ? 0 out of 3.2 points ? Some bacterium always lives in surroundings with the same concentration of dissolved substances as in their own cytoplasm. These bacteria will not need

Question 2 ? 3.2 out of 3.2 points ? Which is not a function of a lipid?Question 3 ? 3.2 out of 3.2 points ? It is difficult for human macrophages to detect and destroy Strep cells because Strep cells

Question 4 ? 3.2 out of 3.2 points ? Bacteria are typically very small, yet even the largest bacterium is still a prokaryote because it

Question 5 ? 0 out of 3.2 points ? The small intestine signals the _________ cell that food is present; the signal is a ______ that binds to _____________ on the cell.

Question 6 ? 3.2 out of 3.2 points ? A eukaryotic cell structure (organelle) in which the final stages of protein maturation are completed:

Question 7 ? 3.2 out of 3.2 points ? In a eukaryotic cell the reactions of _______ process energy into the form of ATP within a structure called the __________.

Question 8 ? 3.2 out of 3.2 points ? It is impossible to write a brief dictionary definition of life because

Question 9 ? 3.2 out of 3.2 points ? What stimulates the release of the enzyme amylase into the pancreatic duct so that it can break down starches?

Question 10 ? 0 out of 3.2 points ? A eukaryotic cell structure (organelle) that results when a vesicle formed from the Golgi complex simply remains in the cytoplasm of the cell:

Question 11 ? 3.2 out of 3.2 points ? Discrete, visible lengths of DNA sequence found in human cell nuclei are known as

Question 12 ? 3.2 out of 3.2 points ? The bases in a DNA molecule include all of the following except

Question 13 ? 3.2 out of 3.2 points ? A five-carbon sugar that is bonded to a nitrogen-containing base and to either one, two or three phosphate groups is known as a(n) _________ monomer.

Question 14 ? 3.2 out of 3.2 points ? A fat molecule consists of: Selected Answer: three fatty acids covalently bonded to a glycero molecule.

Question 15 ? 3.2 out of 3.2 points ? The structure of testosterone could best be described as Selected Answ er: four rings of carbon atoms bonded together with hydrogen atoms around the edges.

Question 16 ? 3.2 out of 3.2 points ? Which of the following cells are prokaryotic? Selected Answer: bacterial cells.

Question 17 ? 3.2 out of 3.2 points ? ________ and ________ are structures that walk along microtubules in the eukaryotic cell carrying vesicles from place to place. Selected Answer: Dyneins, kinesins

Question 18 ? 3.2 out of 3.2 points ? Which of the following is a class of monomers used as building blocks in the polymers of living organisms? Selected Answer: amino acids

Question 19 ? 0 out of 3.2 points ? ____ are little molecular machines (eukaryotic cell structures) that move vesicles and organelles throughout the cytoplasm of the cell. Selected Answer: Golgi sacs

Question 20 ? 3.2 out of 3.2 points ? A large polymeric molecule that is nonpolar over most of its structure but very polar at one end: Selected Answer: phospholipid

Question 21 ? 3.2 out of 3.2 points ? Which of these cell organelles has ribosomes in its membranes? (Ribosomes do protein synthesis.) Selected Answer: rough endoplasmic reticulum

Question 22 ? 3.2 out of 3.2 points ? A single-stranded polymer whose monomers contain the sugar ribose and the nitrogenous base uracil: Selected Answer: RNA

Question 23 ? 3.2 out of 3.2 points ? A sugar is a carbohydrate because a sugar molecule

Question 24 ? 3.2 out of 3.2 points ? Respiratory proteins, ion channels, transport proteins and attachment point proteins are all examples of protein found

Question 25 ? 3.2 out of 3.2 points ? When the enzyme amylase from the pancreas is finally ready for use, it is stored within cell cytoplasmic vesicles called__