Question 1

Which of the following correctly lists the levels of biological organization from least to most complex?

Accepted Answer

Subatomic, Atomic, Molecular, Cellular, Tissue, Organ, Organ System, Organism, Population, Community, Ecosystem, Biosphere

Question 2

Which domain includes organisms that are prokaryotic and often live in extreme environments?

Accepted Answer

Archaea

Question 3

Which of the following is an example of a deductive reasoning process in biology?

Accepted Answer

Using the general principle that all cells come from pre-existing cells to predict that a new cell in a tissue must have arisen from another cell

Question 4

Which of the following elements is NOT one of the four most common elements in humans?

Accepted Answer

Phosphorus

Question 5

A hydrogen bond is best described as:

Accepted Answer

A weak bond between a slightly positive hydrogen atom and a slightly negative electronegative atom

Question 6

Which of the following statements about oxidation and reduction is correct?

Accepted Answer

Oxidation occurs when an atom, ion, or molecule loses an electron

Question 7

If the pH of a solution is 5, which of the following statements is true?

Accepted Answer

The solution is acidic and has more hydrogen ions ($$H^+) $$than hydroxide ions ($$OH^-)$$

Question 8

Which of the following is a correct description of a covalent bond?

Accepted Answer

A bond formed by sharing electrons between atoms

Question 9

Which of the following is a polymer formed by dehydration synthesis of monosaccharides?

Accepted Answer

Starch

Question 10

Which of the following statements about saturated and unsaturated lipids is correct?

Accepted Answer

Unsaturated lipids have at least one double bond forming a kink

Question 11

Which of the following is a function of the rough endoplasmic reticulum (ER)?

Accepted Answer

Synthesizing and folding proteins destined for secretion or the cell membrane

Question 12

Which organelle is responsible for translating messenger RNA (mRNA) into a chain of amino acids?

Accepted Answer

Ribosome

Question 13

Which of the following best describes the primary structure of a protein?

Accepted Answer

The linear sequence of amino acids linked together in a protein

Question 14

A scientist observes that penicillin kills bacteria but not human cells. Which step of the scientific method does this observation best represent?

Accepted Answer

Observation

Question 15

Which of the following statements about ATP is correct?

Accepted Answer

ATP is a nucleotide composed of adenine, ribose, and three phosphate groups

Question 16

Which of the following is true about the cell wall in bacteria?

Accepted Answer

Gram-positive bacteria have a thick cell wall and stain purple

Question 17

Which of the following best explains why water molecules are cohesive?

Accepted Answer

Hydrogen bonds form between water molecules

Question 18

Which of the following is a correct description of hydrolysis?

Accepted Answer

Hydrolysis breaks polymers apart by adding water

Question 19

Which of the following statements about microtubules is correct?

Accepted Answer

Microtubules are composed of spirals of 2-part protein subunits and are 25 nm in diameter

Question 20

Which of the following is a correct statement about phospholipids?

Accepted Answer

Phospholipids are the main component of cell membranes

General Biology: Foundations of Life and Cell Structure

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