Question 1

Which of the following is NOT one of the four emergent properties of water that contribute to Earth's suitability for life?

Accepted Answer

High specific heat

Question 2

A scientist is testing the effect of sunlight on plant growth. The amount of sunlight is varied, and plant height is measured. In this experiment, which is the dependent variable?

Accepted Answer

Plant height

Question 3

Which chemical bond is primarily responsible for the secondary structure of proteins?

Accepted Answer

Hydrogen bonds

Question 4

Which functional group is found in all amino acids and is responsible for their acidic properties?

Accepted Answer

Carboxyl group ($$-COOH)$$

Question 5

Which of the following best describes a dehydration synthesis reaction?

Accepted Answer

Joining monomers to form polymers by removing water

Question 6

Which of the following is a correct chemical equation for the formation of water from hydrogen and oxygen?

Accepted Answer

$$2H_2 + O_2$ \rightarrow 2H_2O$$

Question 7

Which of the following is an example of negative feedback regulation in biological systems?

Accepted Answer

Regulation of blood glucose by insulin

Question 8

Which of the following statements about ATP is correct?

Accepted Answer

ATP contains three phosphate groups attached to a ribose sugar and adenine base

Question 9

Which of the following is NOT a property of carbon that makes it the backbone of life?

Accepted Answer

Ability to form ionic bonds with many elements

Question 10

Which of the following is a polysaccharide used for energy storage in animals?

Accepted Answer

Glycogen

Question 11

Which of the following best describes the difference between saturated and unsaturated fatty acids?

Accepted Answer

Saturated fatty acids are solid at room temperature; unsaturated fatty acids are liquid

Question 12

Which of the following is the correct order of protein structure levels from simplest to most complex?

Accepted Answer

Primary, secondary, tertiary, quaternary

Question 13

Which of the following is a correct statement about enzymes?

Accepted Answer

Enzymes are proteins that speed up chemical reactions by lowering activation energy

Question 14

Which of the following is a monomer of nucleic acids?

Accepted Answer

Nucleotide

Question 15

Which of the following is a correct pairing of a functional group and its property?

Accepted Answer

Amino group: basic, can accept a proton

Question 16

Which of the following is true about the structure of DNA?

Accepted Answer

DNA is a double helix with complementary base pairing

Question 17

Which of the following is an example of a controlled experiment?

Accepted Answer

Testing the effect of fertilizer on plant growth while keeping water, sunlight, and soil constant

Question 18

Which of the following is a correct statement about the three domains of life?

Accepted Answer

Bacteria, Archaea, and Eukarya are the three domains

Question 19

Which of the following is a correct statement about potential and kinetic energy?

Accepted Answer

Kinetic energy is energy of motion; potential energy is stored energy

Question 20

Which of the following is a correct statement about the pH scale?

Accepted Answer

A solution with pH 7 is neutral

General Biology: Core Concepts and Foundations Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard