U1 KA5 Structure Of The Genome

Question 1

What is the genome of an organism?

Answer 1

Its entire hereditary information encoded in DNA.

Question 2

What is a genome composed of?

Answer 2

Coding and non-coding regions of DNA

Question 3

How are DNA sequences that code for protein defined as?

Answer 3

As genes.

Question 4

What do non-coding DNA sequences in the genome do?

Answer 4

Regulate transcription and others are transcribed but never translated.

Question 5

Fill in the blank: DNA sequences that code for proteins are called _______.

Answer 5

[genes]

Question 6

True or False: All DNA sequences in a genome code for proteins and why.

Answer 6

False there are also non-coding regions that regulate transcription but are never translated.

Question 7

What is the role of some DNA sequences in the genome that do not code for proteins?

Answer 7

They regulate transcription.

Question 8

What happens to DNA sequences that are transcribed but never translated?

Answer 8

They are transcribed but not translated into proteins.