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Nucleic Acids in Biochemistry

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Questions and Answers

What is the molecule responsible for the similarities and differences in human traits?

Ribonucleic acid (RNA)
Deoxyribonucleic acid (DNA) (correct)
Protein
Carbohydrate

Which protein determines the darkness of hair, eyes, and skin?

Collagen
Keratin
Melanin (correct)
Insulin

Where is DNA tightly wound up in the cell?

Chromosomes in the nucleus (correct)
Mitochondria
Endoplasmic reticulum
Cytoplasm

What determines whether a person's hair will be wavy, straight, or curly?

<p>Gene for α-keratin (B)</p> Signup and view all the answers

Which part of the cell contains the genetic code carried by DNA?

<p>Nucleus (D)</p> Signup and view all the answers

Flashcards

DNA (Deoxyribonucleic Acid)

A molecule responsible for the similarities and differences between individuals, containing genetic information that influences traits.

Melanin

A protein that determines the color of hair, skin, and eyes.

Chromosomes

Structures found within the nucleus of a cell, where DNA is tightly packaged.

Gene for α-keratin

A gene that influences the shape of hair (wavy, straight, curly) by controlling the production of α-keratin.

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Nucleus

The part of the cell that contains the genetic code carried by DNA.