Question 1

Which of the following best explains why water is an excellent solvent for biological systems?

Accepted Answer

Molecules with ionic bonds as well as those with polar covalent bonds readily dissolve in water.

Question 2

Which of the following statements is TRUE regarding the structure of the atom?

Accepted Answer

Most of the mass of an atom is due to its protons and neutrons.

Question 3

A scientist is studying a tissue that lines the walls of the tiny air sacs (alveoli) in the lungs. The cells are flat and arranged in a single layer. Which term best describes this tissue?

Accepted Answer

Simple squamous

Question 4

Which of the following is a characteristic of both exocrine and endocrine glands?

Accepted Answer

Synthesizes and secretes a product

Question 5

During cell division, it is essential that the genetic material be distributed equally to the two daughter cells. This is accomplished in part through the participation of which organelle?

Accepted Answer

Centrioles

Question 6

Which of the following statements CORRECTLY describes the relationship between an atom and an element?

Accepted Answer

An atom is the smallest unit of an element that demonstrates all of the properties of that element.

Question 7

Which of the following is TRUE regarding active transport?

Accepted Answer

Active transport requires the input of energy.

Question 8

Which organelle is responsible for removal of other damaged organelles and cellular debris?

Accepted Answer

Lysosomes

Question 9

At the end of the electron transport system, oxygen combines with electrons and hydrogen ions to form which waste product?

Accepted Answer

Water

Question 10

Which of the following characteristics applies to both living organisms and nonliving things?

Accepted Answer

Composed of matter

Question 11

Which of the following is needed to synthesize a new strand of DNA?

Accepted Answer

Nucleotides

Question 12

Carbohydrates have which of the following characteristics?

Accepted Answer

They contain carbon, hydrogen, and oxygen in a ratio of 1:2:1.

Question 13

Which of the following tissues can respond to the environment by generating electrical impulses?

Accepted Answer

Nervous

Question 14

Some of the enzymes stored in peroxisomes are used to break down which of the following?

Accepted Answer

Hydrogen peroxide.

Question 15

Which of the following statements is TRUE regarding glial cells?

Accepted Answer

They support and protect neurons.

Question 16

Which of the following is a TRUE statement?

Accepted Answer

All living things are made up of at least one cell.

Question 17

Which of the following statements about isotopes is correct?

Accepted Answer

Isotopes of an element have the same atomic number, but different atomic masses.

Question 18

Which of the following is a basic principle of the cell doctrine EXCEPT:

Accepted Answer

All cells have a nucleus and organelles.

Question 19

Which of the following occurs when the outermost phosphate is removed from an ATP molecule?

Accepted Answer

Energy is released to do work for the cell.

Question 20

Which of the following is responsible for the removal of toxic compounds from the liver after eating a salad containing plant toxins?

Accepted Answer

Peroxisome

ANP College Course Study Guide: Key Concepts and Practice Questions

Study Guide - Practice Questions

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