Question 1

Which of the following best describes the relationship between structure and function in biological systems?

Accepted Answer

Structure determines function, and changes in structure can lead to changes in function.

Question 2

A scientist is studying a cell that lacks a nucleus and other membrane-bound organelles. Which type of cell is she most likely observing?

Accepted Answer

A prokaryotic cell

Question 3

Which of the following statements about DNA is correct?

Accepted Answer

DNA is composed of two long chains arranged in a double helix that twists to the right.

Question 4

Which of the following base pairings is correct for DNA?

Accepted Answer

A = T

Question 5

A researcher is analyzing the flow of energy in an ecosystem. According to the laws of thermodynamics, which statement is correct?

Accepted Answer

Energy flows through an ecosystem and is eventually lost as heat.

Question 6

Which of the following best illustrates the concept of systems biology?

Accepted Answer

Analyzing the interactions among organs, tissues, cells, and molecules in a biological system.

Question 7

Which of the following is NOT a domain of life?

Accepted Answer

Domain Protista

Question 8

Which process is responsible for the propagation of beneficial traits in a population, according to Darwin's theory?

Accepted Answer

Natural selection

Question 9

A controlled experiment is best described as:

Accepted Answer

An experiment in which an experimental group is compared with a control group.

Question 10

Which of the following best describes the difference between inductive and deductive reasoning in science?

Accepted Answer

Inductive reasoning draws general conclusions from specific observations; deductive reasoning uses general premises to make specific predictions.

Question 11

Which of the following is an example of negative feedback in biological systems?

Accepted Answer

Insulin secretion lowering blood glucose levels, which in turn reduces further insulin secretion.

Question 12

Which of the following statements about gene expression is correct?

Accepted Answer

Gene expression is the process of converting information from a gene to a cellular product.

Question 13

A scientist is using computational tools to analyze large sets of genetic data. This field of study is best described as:

Accepted Answer

Bioinformatics

Question 14

Which of the following best explains why living things cannot exist in isolation?

Accepted Answer

Interactions between components such as organs, tissues, cells, and molecules are crucial for smooth operation.

Question 15

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

Accepted Answer

A hypothesis is a tentative answer to a well-framed scientific question.

Question 16

Which of the following best describes the role of decomposers in the cycling of matter in an ecosystem?

Accepted Answer

Decomposers break down dead organisms, returning chemicals to the soil.

Question 17

Which of the following is a correct pairing of a nucleotide base in DNA?

Accepted Answer

G pairs with C

Question 18

Which of the following best describes the concept of 'descent with modification'?

Accepted Answer

Species show evidence of change from common ancestors over time.

Question 19

Which of the following is a correct statement about the unity and diversity of life?

Accepted Answer

DNA is the universal genetic language common to all organisms.

Question 20

A population of beetles varies in color. Birds preferentially eat the lighter-colored beetles, leaving the darker ones to reproduce. Over time, the population becomes predominantly dark-colored. This is an example of:

Accepted Answer

Natural selection

Foundations of General Biology: Organization, Genetics, Evolution, and Scientific Inquiry

Guida di studio - Domande di pratica

Study guide - Flashcard