Q: Which of the following equations correctly represents the hydrolysis of ATP, the main energy currency of the cell?

$$\mathrm{ATP} + \mathrm{H}_2\mathrm{O} \rightarrow \mathrm{ADP} + \mathrm{P}_i + \text{energy}$$

Question 1

Which of the following is NOT a property that all living cells must possess according to the course definition of life?

Accepted Answer

Ability to move independently

Question 2

Which biomolecule is primarily responsible for forming the selectively permeable barrier of cells?

Accepted Answer

Lipids

Question 3

A mature red blood cell in humans lacks a nucleus and mitochondria. Which property of life does it NOT fulfill?

Accepted Answer

Replication

Question 4

Which of the following best describes the role of nucleic acids in living organisms?

Accepted Answer

They store and transmit genetic information.

Question 5

Which of the following statements about viruses is TRUE based on the course definition of life?

Accepted Answer

Viruses can store and follow genetic instructions.

Question 6

Which of the following is a key difference between prokaryotic and eukaryotic cells?

Accepted Answer

Prokaryotic cells lack a nucleus, eukaryotic cells have a nucleus.

Question 7

Which of the following equations correctly represents the hydrolysis of ATP, the main energy currency of the cell?

Accepted Answer

$$\mathrm{ATP} + \mathrm{H}_2\mathrm{O} ightarrow \mathrm{ADP} + \mathrm{P}_i + 	ext{energy}$$

Question 8

Which biomolecule is most directly involved in catalyzing cellular reactions and responding to environmental changes?

Accepted Answer

Proteins

Question 9

A scientist discovers a new organism that is made of cells, stores genetic information, and uses energy, but cannot reproduce. According to the course definition, is this organism considered alive?

Accepted Answer

No, because it cannot reproduce.

Question 10

Which of the following best explains why lipids are well-suited to form biological membranes?

Accepted Answer

Lipids are amphipathic, having both hydrophobic and hydrophilic regions.

Question 11

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

Accepted Answer

Ability to independently use and store energy

Question 12

Which of the following is a correct pairing of a biomolecule and its primary function?

Accepted Answer

Proteins – catalyze biochemical reactions

Question 13

Which of the following best describes the process of evolution as it applies to living organisms?

Accepted Answer

Change in heritable characteristics of populations over generations

Question 14

Which of the following is a unique feature of eukaryotic cells compared to prokaryotic cells?

Accepted Answer

Presence of membrane-bound organelles

Question 15

Which of the following scenarios best illustrates the property of life known as 'self-replication'?

Accepted Answer

A bacterium dividing to produce two identical cells

Question 16

Which of the following is NOT a function of proteins in living organisms?

Accepted Answer

Storing genetic information

Question 17

Which of the following best describes the relationship between monomers and polymers in biological macromolecules?

Accepted Answer

Polymers are formed by joining monomers through condensation reactions.

Question 18

Which of the following is a correct statement about the smallest unit of life?

Accepted Answer

A cell is the smallest unit that meets all properties of life.

Question 19

Which of the following best explains why carbohydrates are important for living organisms?

Accepted Answer

They serve as a primary source of energy.

Question 20

Which of the following is a property of life that is NOT always fulfilled by a mule (a hybrid of a horse and a donkey)?

Accepted Answer

Replication

Fundamentals of Biology: Properties of Life, Biomolecules, and Cell Types

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