The Genetic Code

The sides of a DNA molecule are made up of alternating _______________ and _________________ molecules

• nitrogen bases
• sugar
• nucleotides
• phosphate

Chromosomes are made up mostly of _______________ and ____________________.

• proteins
• DNA
• RNA
• sugar
• phospate

In DNA, adenine always pairs with

• adenine
• guanine
• thymine
• cytosine

Each __________ on a chromosome contains the information to code for one specific protein.

• nitrogen base
• phosphate
• gene
• nucleotide

Tags

NGSS.HS-LS1-1

Each gene is located at a specific place on a protein.

• true
• false

Tags

NGSS.HS-LS1-1

DNA synthesis is the process by which DNA copies itself.

• true
• False

The genetic code is determined by the sizes of the nitrogen bases.

• True
• False

The sugar in DNA is called _________________________.

• detoxify
• ribose
• deoxyribose
• nitrogen base
• phosphate

Which sequence would pair with the DNA strand with the following sequence: CATCAT

• TACTAC
• GTAGTA
• CATCAT
• MEOW

If cytosine makes up 18% of a strand of DNA, which of the following would be true.

• There is 18 % guanine.
• There is 18 % thymine
• There is 18% adenine,
• It is not possible to determine what percent the other bases make up.