Q: Which formula is used to calculate your final grade percentage in BIOL 2107K?

$$(\text{Total points earned} / \text{Total possible points}) \times 100$$

Question 1

Which of the following best describes the Scientific Method as applied in biological research?

Accepted Answer

A cyclical process involving observation, hypothesis formation, experimentation, and analysis to draw conclusions.

Question 2

Which of the following is NOT one of the four major macromolecules identified in biology?

Accepted Answer

Vitamins

Question 3

A student is designing an experiment to test the effect of light intensity on the rate of photosynthesis in spinach leaves. Which variable should be kept constant to ensure valid results?

Accepted Answer

The type of plant used

Question 4

Which equation correctly represents the overall process of photosynthesis?

Accepted Answer

$$6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 5

Which of the following best explains why DNA is considered the molecule of heredity?

Accepted Answer

DNA contains instructions for protein synthesis and is passed from parent to offspring.

Question 6

A mutation occurs in the gene coding for an enzyme involved in cellular respiration. Which of the following is the most likely consequence?

Accepted Answer

The cell may produce less ATP, affecting energy availability.

Question 7

Which of the following is a correct application of the concept of homeostasis in humans?

Accepted Answer

Regulation of blood glucose levels by insulin and glucagon.

Question 8

Which statement about enzymes is TRUE?

Accepted Answer

Enzymes lower the activation energy required for chemical reactions.

Question 9

A patient is diagnosed with a genetic disorder caused by a single nucleotide change in a gene. This type of mutation is best described as:

Accepted Answer

A point mutation

Question 10

Which of the following best describes the role of ribosomes in a cell?

Accepted Answer

Ribosomes synthesize proteins by translating mRNA.

Question 11

Which formula is used to calculate your final grade percentage in BIOL 2107K?

Accepted Answer

$$(	ext{Total points earned} / 	ext{Total possible points}) 	imes 100$$

Question 12

Which of the following is a real-world example of a carbohydrate's function in living organisms?

Accepted Answer

Glycogen stores energy in animal liver and muscle cells.

Question 13

A student missed a lab practical due to illness and provided a doctor's note. According to the syllabus, what must the student do to make up the missed assignment?

Accepted Answer

Make up the missed lab practical within one week.

Question 14

Which of the following best describes the function of mitochondria in eukaryotic cells?

Accepted Answer

Mitochondria generate ATP through cellular respiration.

Question 15

Which of the following is a correct statement about the role of water in biological systems?

Accepted Answer

Water acts as a solvent, facilitating chemical reactions in cells.

Question 16

A researcher observes that a population of bacteria grows exponentially under ideal conditions. Which equation best models this growth?

Accepted Answer

$$N_t = N_0$ e$$^{rt}$$

Question 17

Which of the following is a function of nucleic acids in living organisms?

Accepted Answer

Storing and transmitting genetic information

Question 18

A student is analyzing the results of a genetic cross and observes a 3:1 ratio in the offspring. Which principle does this observation support?

Accepted Answer

Mendel's Law of Segregation

Question 19

Which of the following is an example of a STEM core IMPACTS learning outcome in biology?

Accepted Answer

Applying the scientific method to solve real-world biological problems.

Question 20

Which of the following best describes the role of lipids in biological membranes?

Accepted Answer

Lipids form a bilayer that acts as a barrier to regulate the movement of substances.

BIOL 2107K Principles of Biology I – Syllabus and Study Guide

Study Guide - Practice Questions

Study Guide - Flashcards