DNA Structure and DNA Replication

Front

What makes up the SIDES of a DNA ladder?

Back

sugars & phosphates

Front

What makes up the rungs (steps) of a DNA ladder?

Back

nitrogen bases

Front

Which of the following best describes a DNA molecule? Options: double helix, contains ribose, made of amino acids, contains Uracil

Back

double helix

Front

Nitrogenous bases are joined by which type of bond? Options: polar bonds, ionic bonds, covalent bonds, hydrogen bonds

Back

hydrogen bonds

Front

What are the three components of a nucleotide?

Back

sugar, phosphate, nitrogen base

Front

Cytosine always pairs with

Back

Guanine

Front

What is the complement to the DNA strand below:
5'-ATGCCAT-3'

Back

tacggta

Answer explanation

complimentary strand of DNA is the "other side" of the DNA that matches with the bases they gave you!

Think:

A --> T

C --> G

Front

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

Back

The order of the Nitrogen Bases determines the traits that an organism will possess (have).

Front

What accounts for the difference in hair type between you and your sibling?

Back

Your sequence of nitrogen bases is different than your sibling.

Front

Why is DNA important?

Back

it serves as the blueprint for traits of all living things