Question 1

Which of the following best describes the process shown in the first image, where the lens of the eye uses information in DNA to make crystalline proteins?

Accepted Answer

Gene expression, involving transcription of DNA to mRNA, translation of mRNA to a polypeptide, and folding of the polypeptide into a functional protein.

Question 2

During the process of translation, as depicted in the first image, what is the direct product formed?

Accepted Answer

A polypeptide chain (sequence of amino acids)

Question 3

Referencing the pH scale in the second image, which of the following solutions is most likely to have a pH closest to 7?

Accepted Answer

Pure water

Question 4

According to the pH scale shown, which of the following statements is correct?

Accepted Answer

A solution with pH 2 has a hydrogen ion concentration 1,000 times greater than a solution with pH 5.

Question 5

In the dehydration reaction shown in the third image, what is the role of water?

Accepted Answer

Water is removed to form a new covalent bond between monomers, resulting in polymer synthesis.

Question 6

Which process is illustrated in the fourth image, where a polymer is broken down into monomers?

Accepted Answer

Hydrolysis, where water is added to break covalent bonds between monomers.

Question 7

Which of the following best explains why the internal organization of eukaryotic cells, as shown in the fifth image, is essential for their function?

Accepted Answer

Compartmentalization by internal membranes allows for specialized environments and efficient chemical reactions.

Question 8

Based on the sixth image, which organelle is primarily responsible for ATP production in animal cells?

Accepted Answer

Mitochondrion

Question 9

In the animal cell diagram (sixth image), which structure is responsible for synthesizing proteins that are exported from the cell?

Accepted Answer

Rough endoplasmic reticulum

Question 10

Which of the following is a feature unique to plant cells, as shown in the seventh image, and not found in animal cells?

Accepted Answer

Chloroplasts

Question 11

What is the main function of the central vacuole in plant cells, as depicted in the seventh image?

Accepted Answer

Storage of water, ions, and waste products, and maintenance of cell turgor pressure

Question 12

Which of the following best describes the relationship between the rough endoplasmic reticulum and the Golgi apparatus in eukaryotic cells?

Accepted Answer

Proteins synthesized in the rough ER are transported to the Golgi apparatus for modification and sorting.

Question 13

Which of the following statements about the pH scale is correct, based on the second image?

Accepted Answer

A solution with pH 12 is considered basic and has a lower concentration of hydrogen ions than a solution with pH 2.

Question 14

Which process is responsible for the formation of a longer polymer from monomers, as shown in the third image?

Accepted Answer

Dehydration synthesis (condensation reaction)

Question 15

In the context of the first image, what is the correct sequence of events for gene expression leading to a functional protein?

Accepted Answer

Transcription → Translation → Protein folding

General Biology Study Notes: Foundations of Life, Chemistry, Cells, and Macromolecules

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