Review: Living Earth

How prepared do you feel for the exam?

• I need more practice...

• Ehhh.

• I'm ready!

• I got this A+ in the bag!!

What is the purpose of DNA?

• to hide

• to code for proteins

• provide sugar to the body

• None of the above

In DNA, what are the nitrogenous bases?

• A, T, G, C

• A, U, G, C

Answer explanation

Adenine

Thymine

Guanine

Cytosine

In DNA, what is the correct pairing of bases?

• A - T

  G - T

• A - U

  G - C

• A - T

  G - C

What is the purpose of DNA?

• to hide

• to code for proteins

• provide sugar to the body

• None of the above

In RNA, what are the nitrogenous bases?

• A, U, G, C

• A, T, G, C

Answer explanation

Adenine

Uracil

Guanine

Cytosine

In RNA, what is the correct pairing of bases?

• A - T

  G - C

• T - U

  G - C

• A - U

  G - C

What are the effects of sickle cell anemia?

• A change in the red blood cell shape

• Lack of Oxygen

• Difficulty breathing

Select the complementary stand:

DNA

C, C, T, G, A, G

• G, G, A, C, T, C

• G, G, A, C, U, C

• C, C, A, C, T, C

One DNA segment is CCT. What is the corresponding mRNA codon?

*Hint... DNA: CCT --> RNA: ???

• GGA

• CUC

• GUG