Q: Which equation correctly represents the relationship between pH and hydrogen ion concentration?

$$\text{pH} = -\log_{10} [\text{H}^+]$$

Question 1

Which of the following is NOT a characteristic common to all living things?

Accepted Answer

Ability to reproduce sexually

Question 2

Order the organizational units of life from smallest to largest.

Accepted Answer

Molecule, cell, tissue, organ, organism

Question 3

Which domains of life contain prokaryotic cells?

Accepted Answer

Bacteria and Archaea

Question 4

Which chemical bond is the strongest under biological conditions?

Accepted Answer

Covalent bond

Question 5

A solution has a pH of 8.92 as shown in the image. Which best describes the pH of the solution?

Accepted Answer

Basic

Question 6

Which bonding pattern is NOT critical for the folding of a protein into its functional 3D structure?

Accepted Answer

Phosphodiester bonds

Question 7

Which of the following statements about mitochondria and chloroplasts is TRUE?

Accepted Answer

Both contain their own DNA and ribosomes

Question 8

Caffeine is a small, nonpolar molecule with a higher concentration outside the cell. What is the most likely method by which it enters cells?

Accepted Answer

Simple diffusion

Question 9

Which equation correctly represents the relationship between pH and hydrogen ion concentration?

Accepted Answer

$$	ext{pH} = -\log_{10} [	ext{H}^+]$$

Question 10

Which of the following best describes an exergonic reaction?

Accepted Answer

It releases energy and has lower energy products than reactants

Question 11

Why must the container in a wine making kit be airtight when grape juice and yeast are sealed inside?

Accepted Answer

Fermentation only occurs in the absence of oxygen

Question 12

Which photons have higher potential energy: red or purple?

Accepted Answer

Purple

Question 13

If a cell does not pass the G2 checkpoint, which process was likely not done correctly?

Accepted Answer

Sister chromatid formation

Question 14

Hemophilia is a sex-linked recessive trait. A woman who has hemophilia marries a man without hemophilia. What is the biological sex of the children who have hemophilia?

Accepted Answer

50% of their children will have hemophilia, all boys

Question 15

Which enzyme combines Okazaki fragments into a continuous strand of DNA?

Accepted Answer

Ligase

Question 16

If a mutation occurred in a tRNA molecule that caused it to no longer bind to aminoacyl-tRNA synthetase, what process would be disrupted?

Accepted Answer

The elongation step of translation

Question 17

Which of the following is a real-world example of a catabolic pathway?

Accepted Answer

Cellular respiration in humans

Question 18

Which of the following best describes the central dogma of molecular biology?

Accepted Answer

DNA is transcribed into RNA, which is translated into protein

Question 19

Which of the following is NOT a function of the endomembrane system?

Accepted Answer

DNA replication

Question 20

Which of the following molecules is most likely to pass through the cell membrane without aid?

Accepted Answer

Small nonpolar molecule

BIO201 Final Exam Review: Core Concepts in Introductory Biology

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