Role of DNA

DNA Review

DNA Overview

https://www.youtube.com/watch?v=6rv5Z8EBXwY&t=2s

Multiple Choice

Where in most cells it the DNA found?

• DNA organelle

• cytoplasm

• mitochondria

• nucleus

Multiple Choice

What are the building blocks of DNA?

• nuclei
• nuclear energy
• nucleotides
• neap tides

Multiple Choice

Adenine and Guanine are classified as:

• purines

• pyrimidines

Multiple Choice

Which of the following could be the part indicated by the arrow?

• Phosphate

• Thymine

• Deoxyribose

• Glucose

Multiple Choice

Which answer choice correctly identifies the parts in a DNA nucleotide?

• A= phosphate group B= deoxyribose C= thymine

• A= phosphate group B= ribose C= uracil

• A= uracil B= deoxyribose C= thymine

• A= thymine B= ribose C= uracil

Multiple Choice

At which position are hydrogen bonds found?

• Position 1

• Position 2

• Position 3

• Position 4

Multiple Choice

In a DNA molecule, the number of guanine nucleotides will most likely equal the number of- 

• thymine.
• adenine.
• cytosine.
• ribose.

Multiple Choice

What are the three parts of a nucleotide?

• sugar, phosphate, nitrogenous base

• nucleics, sugar, ribose

• nitrogenous base, adenine, deoxyribose

• nitrogenous base, adenine, deoxyribose

Multiple Choice

If we think of DNA as a ladder, which parts are the sides of the ladder?

• the nitrogenous base pairs
• the phosphate-sugar backbone
• the genes
• the phospholipid bilayer

Multiple Choice

If we think of DNA as a ladder, which parts are the steps of the ladder?

• the nitrogenous base pairs
• the phosphate-sugar backbone
• the genes
• the phospholipid bilayer

Multiple Choice

One side of a strand of DNA reads "AATCGA." What is the complementary strand?

• AATCGA
• TTAGCT
• CCGATC
• GGCTAG

Multiple Choice

According to the rules of base pairing, thymine always pairs with:

• thymine

• adenine

• guanine

• cytosine