LS1.3 BIO1 Review

Front

What determines whether a fertilized egg develops into a toad, a snake, or a lizard?

Back

The genes of the egg.

Front

What is DNA?

Back

DNA is a molecule responsible for storing genetic instructions that are transferred from one generation to the next.

Front

What is the complementary strand of DNA for the sequence TAC CGC AAG?

Back

AUG GCG UUC.

Front

If a DNA molecule is 22% adenine, what percentage of thymine will it contain?

Back

22%.

Front

What complementary strand does a DNA strand TACGTT produce during replication?

Back

ATGCAA.

Front

What are the four bases of DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), Guanine (G).

Front

What base pairs with adenine in DNA?

Back

Thymine (T).

Front

What base pairs with cytosine in DNA?

Back

Guanine (G).

Front

What is the structure of DNA?

Back

DNA is a double helix composed of two strands that wind around each other.

Front

What is the role of DNA in cells?

Back

DNA stores and transmits genetic information.