Question 1

Which of the following best describes the concept of 'emergence' in biological systems?

Accepted Answer

New properties arise when individual parts interact within a system.

Question 2

A scientist is testing the effect of a new fertilizer on plant growth. Which is the independent variable in this experiment?

Accepted Answer

The type or amount of fertilizer applied to the plants.

Question 3

Which functional group is responsible for the acidic properties of amino acids?

Accepted Answer

Carboxyl group $$-COOH$$

Question 4

Which property of water allows it to moderate temperature in living organisms?

Accepted Answer

High specific heat

Question 5

A cell placed in a hypertonic solution will:

Accepted Answer

Lose water and shrink

Question 6

Which of the following is NOT a characteristic of prokaryotic cells?

Accepted Answer

Presence of a nucleus

Question 7

Which macromolecule is primarily responsible for storing and transmitting genetic information?

Accepted Answer

Nucleic acids

Question 8

What is the main function of the Golgi apparatus in the endomembrane system?

Accepted Answer

Modifying, sorting, and packaging proteins for transport

Question 9

Which equation correctly represents the formation of carbonic acid in ocean acidification?

Accepted Answer

$$CO_2 + H_2O$$ \rightarrow H_2CO_3$$

Question 10

Which of the following best describes the fluid mosaic model of the cell membrane?

Accepted Answer

A flexible bilayer of phospholipids with embedded proteins.

Question 11

Which process requires ATP to move substances across the cell membrane against their concentration gradient?

Accepted Answer

Active transport

Question 12

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

Accepted Answer

Primary structure

Question 13

A buffer solution in blood helps maintain pH by:

Accepted Answer

Donating or accepting $$H^+$$ ions to resist changes in pH

Question 14

Which of the following is a real-life example of negative feedback in biological systems?

Accepted Answer

Sweating to cool the body when temperature rises

Question 15

Which functional group is found in ATP and is important for energy transfer?

Accepted Answer

Phosphate group $$-PO_4$^{3-}$$

Question 16

Which of the following statements about osmosis is correct?

Accepted Answer

Water moves from low solute concentration to high solute concentration.

Question 17

Which element is NOT one of the four most abundant elements in living matter?

Accepted Answer

Phosphorus

Question 18

Which of the following best explains why water is considered a 'universal solvent'?

Accepted Answer

Water's polarity allows it to dissolve many ionic and polar substances.

Question 19

Which scenario best illustrates the concept of reductionism?

Accepted Answer

Studying the function of a single enzyme to understand a metabolic pathway.

Question 20

Which of the following is a correct statement about the scientific method?

Accepted Answer

A hypothesis must be testable and falsifiable.

BIOL211 Exam 1 Review: Foundations of Biology, Chemistry of Life, and Cell Structure

Study Guide - Practice Questions