Question 1

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

Accepted Answer

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 statement in biology?

Accepted Answer

All mammals have hair. Whales are mammals. Therefore, whales have hair.

Question 4

Which element 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 atom

Question 6

Which of the following best describes the process of oxidation?

Accepted Answer

When an atom, ion, or molecule loses an electron

Question 7

If the pH of a solution is 4, which of the following statements is true?

Accepted Answer

The solution is acidic and has more hydrogen ions ($$H^+)$$

Question 8

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

Accepted Answer

Starch

Question 9

Which type of lipid is recommended for a healthy diet due to its double bonds?

Accepted Answer

Unsaturated fat

Question 10

Which of the following statements about phospholipids is correct?

Accepted Answer

Phospholipids have hydrophilic heads and hydrophobic tails

Question 11

Which level of protein structure is defined by the sequence of amino acids?

Accepted Answer

Primary structure

Question 12

What is the main function of ribosomes in a cell?

Accepted Answer

Translating messenger RNA (mRNA) into a chain of amino acids

Question 13

Which organelle is responsible for packaging proteins and lipids for transport to their final destinations?

Accepted Answer

Golgi apparatus

Question 14

Which of the following is a correct description of a nucleotide found in DNA?

Accepted Answer

Phosphate group, sugar, and nitrogenous base (Adenine, Cytosine, Guanine, Thymine)

Question 15

Which of the following best explains why ATP is considered the energy currency of the cell?

Accepted Answer

ATP's third phosphate bond contains readily releasable energy

Question 16

Which cellular structure is primarily responsible for maintaining cell shape and enabling movement?

Accepted Answer

Cytoskeleton

Question 17

A scientist observes that a certain bacterium is resistant to penicillin. Which of the following is the most logical next step using the scientific method?

Accepted Answer

Formulate a hypothesis explaining the resistance

Question 18

Which of the following statements about dehydration synthesis is correct?

Accepted Answer

It joins monomers together by removing water

Question 19

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

Accepted Answer

Synthesizing lipids and detoxifying chemicals

Question 20

Which of the following best describes the difference between microtubules and microfilaments in the cytoskeleton?

Accepted Answer

Microtubules are larger in diameter and composed of tubulin, microfilaments are smaller and composed of actin

General Biology: Foundations, Biochemistry, and Cell Structure

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