DNA and RNA Structure

In the context of molecular biology, what are the building blocks of DNA and RNA?

• Nucleotides

• Monosaccharides

• Polysaccharides

• Sugars

In the laboratory, scientists are examining the structure of DNA. What are the long chains of nucleotides they observe called?

• Polyneucleotides

• Polysaccharides

• Long chains

• Polyaminoacids

During a biology class, students were asked which of the following components are not part of the structure of a nucleotide found in DNA.

• A carbon compound

• A sugar

• A phosphate group

• A nitrogen-containing base

What shape is DNA?

• A double helix

• A single strand

• A pleated sheet

• An omega helix

Imagine you are studying the structure of the DNA molecule in a biology class. How many polynucleotide chains are you learning that DNA is composed of?

• 2

• 1

• 3

• 4

In the context of genetics research, scientists often study the blueprint of life. What does DNA, the molecule essential for life, stand for?

• Deoxyribonucleic acid

• Ribonucleic acid

• Deoxynucleic acid

• Nucleic acid

In the process of protein synthesis within a human cell, which type of acid is transcribed from DNA to carry the code for amino acid sequences?

• Deoxyribonucleic acid

• Ribonucleic acid

• Deoxynucleic acid

• Nucleic acid

Tags

NGSS.HS-LS1-1

In the context of molecular biology, when examining the structure of RNA within a cell, how many polynucleotide chains are typically found?

• 2

• 1

• 3

• 4

In the context of genetic research, scientists often study the structure of DNA. Which four nitrogen base pairs are they likely to examine?

• Adenine, Thymine, Guanine, Cytosine

• Adenine, Uracil, Guanine, Cytosine

• Adenine, Thymine, Glucose, Cytosine

• Adenine, Thymine, Guanine, Fructose

In the context of genetic research, scientists are analyzing a sample of RNA. Which four nitrogen base pairs are they likely to find in this RNA sample?

• Adenine, Thymine, Guanine, Cytosine

• Adenine, Uracil, Guanine, Cytosine

• Adenine, Thymine, Glucose, Cytosine

• Adenine, Thymine, Guanine, Fructose