Q: The Central Dogma of molecular biology describes the flow of genetic information. Which sequence correctly represents this process?

$$DNA \rightarrow RNA \rightarrow \text{Polypeptide (Protein)}$$

Question 1

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

Accepted Answer

Properties that arise only when individual components interact at higher levels of organization.

Question 2

A scientist wants to test the effect of a new fertilizer on plant growth. She sets up two groups: one receives the fertilizer, the other does not. What is the independent variable in this experiment?

Accepted Answer

Amount of fertilizer applied to the plants.

Question 3

Which of the following is NOT a characteristic of living organisms?

Accepted Answer

Ability to exist without any cellular structure.

Question 4

Which domain of life contains organisms that are unicellular, lack nuclei, and are often found in extreme environments?

Accepted Answer

Archaea

Question 5

The Central Dogma of molecular biology describes the flow of genetic information. Which sequence correctly represents this process?

Accepted Answer

$$DNA ightarrow RNA ightarrow 	ext{Polypeptide (Protein)}$$

Question 6

Which of the following statements about viruses is TRUE?

Accepted Answer

Viruses are non-cellular and lack metabolism outside of a host cell.

Question 7

A researcher observes that fish eggs with more bacteria do not survive to hatching. She hypothesizes that Flavobacterium reduces hatching success. What is the dependent variable in her experiment?

Accepted Answer

Number of eggs that hatch (survival rate).

Question 8

Which of the following is an example of homeostasis in humans?

Accepted Answer

Regulation of blood glucose concentration within a narrow range.

Question 9

Which statement best explains why prions are considered infectious agents?

Accepted Answer

Prions are misfolded proteins that induce misfolding in normal proteins, leading to disease.

Question 10

Which of the following is a correct hierarchical order of biological organization from smallest to largest?

Accepted Answer

Molecule $$\rightarrow$$ Macromolecule $$\rightarrow$$ Organelle $$\rightarrow$$ Cell $$\rightarrow$$ Tissue $$\rightarrow$$ Organ $$\rightarrow$$ Organism

Question 11

Which of the following is NOT a step in the scientific method?

Accepted Answer

Making aesthetic or moral judgments.

Question 12

Which of the following statements about the domain Eukarya is TRUE?

Accepted Answer

Eukaryotic cells have nuclei and organelles.

Question 13

Which process is responsible for the descent with modification observed in populations over generations?

Accepted Answer

Evolution by natural selection.

Question 14

Which of the following is a real-world example of metabolism in living organisms?

Accepted Answer

Conversion of glucose to ATP during cellular respiration.

Question 15

A student claims that all living things must be multicellular. Which domain disproves this claim?

Accepted Answer

Bacteria

Question 16

Which of the following is an example of a controlled experiment?

Accepted Answer

Testing the effect of a drug by giving it to one group and a placebo to another group.

Question 17

Which of the following is a plausible reason why scientific theories can change over time?

Accepted Answer

New experimental data may contradict existing theories.

Question 18

Which of the following is a correct statement about experimental replicates?

Accepted Answer

Replicates allow for statistical analysis and increase reliability of results.

Question 19

Which of the following is a distinguishing feature of Archaea compared to Bacteria?

Accepted Answer

Archaea are found in extreme environments and have no known pathogens.

Question 20

Which of the following best illustrates the concept of behavior as a characteristic of life?

Accepted Answer

A plant bending toward a light source.

General Biology I: Foundations, Characteristics of Life, and Scientific Method

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드