Question 1

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

Accepted Answer

Information flows from DNA to RNA to proteins.

Question 2

A scientist is studying a new organism and observes that it is made of cells, responds to stimuli, and uses energy. According to the five fundamental properties of life, which property is the scientist NOT able to confirm from these observations?

Accepted Answer

Reproduction

Question 3

Which of the following is an example of applying the 'structure and function' core concept in biology?

Accepted Answer

Explaining how the shape of an enzyme determines its ability to catalyze a reaction.

Question 4

A student is asked to use quantitative reasoning (QR) in a biology lab. Which of the following tasks best demonstrates this skill?

Accepted Answer

Performing calculations to determine the mean and standard deviation of plant growth rates.

Question 5

Which of the following best illustrates the 'systems' core concept in biology?

Accepted Answer

Explaining how multiple organs interact to maintain homeostasis in the human body.

Question 6

A researcher is using a computer model to predict the spread of a disease in a population. Which core competency is the researcher demonstrating?

Accepted Answer

Ability to use modeling and simulation (MS)

Question 7

Which of the following is NOT a property shared by all living things?

Accepted Answer

Ability to move independently

Question 8

A student calculates the mean of the following set of numbers: 4, 6, 9, 12, and 27. What is the mean?

Accepted Answer

$$\frac{4 + 6 + 9 + 12 + 27}{5} = 11.6$$

Question 9

Which of the following best describes the role of evolution in biology?

Accepted Answer

It explains the diversity and unity of life through changes in populations over time.

Question 10

A beaker holds 200 mL of water and is 70% full. How much water is in the beaker?

Accepted Answer

$$200 	imes 0.7 = 140 mL$$

Question 11

If you flip a coin three times, what is the probability of getting heads all three times?

Accepted Answer

$$\left(\frac{1}{2}\$$right)^3$$ = \frac{1}{8}$$

Question 12

Which of the following is an example of the 'information flow, exchange, and storage' core concept?

Accepted Answer

Describing how genetic information is passed from parent to offspring.

Question 13

A student is asked to convert 2,500,000 to scientific notation. What is the correct answer?

Accepted Answer

$$2.5 	imes 10^6$

Question 14

Which of the following best demonstrates the ability to communicate and collaborate with other disciplines (CC)?

Accepted Answer

Working in a group to design an experiment and present the results to the class.

Question 15

Which of the following is an example of using the process of science (PS)?

Accepted Answer

Formulating a hypothesis and designing an experiment to test it.

Question 16

A student is asked to solve the equation $$2y + 3y = 20. $$What is the value of $$y$$?

Accepted Answer

$$y = 4$$

Question 17

Which of the following is a real-world example of the 'pathways and transformations of energy and matter' core concept?

Accepted Answer

Describing how plants convert sunlight into chemical energy during photosynthesis.

Question 18

Which of the following best describes the interdisciplinary nature of science (IN)?

Accepted Answer

Applying ideas from chemistry and physics to understand biological processes.

Question 19

A student is asked to write $$0.00056 in $$scientific notation. What is the correct answer?

Accepted Answer

$$5.6 	imes 10$$^{-4}$$

Question 20

Which of the following best illustrates the relationship between science and society (SS)?

Accepted Answer

Evaluating the ethical implications of genetic engineering in agriculture.

General Biology 201: Introduction, Core Concepts, and Scientific Skills

Guida di studio - Domande di pratica

Study guide - Flashcard