Genetics Part I

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

In DNA, Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

What determines the code, or information, of a DNA molecule?

• the shape (structure) of the bases
• the order (sequence) of the bases
• the color of the bases
• the frequency (number) of bases

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the instructions for traits of all living things
• because we eat it every day for energy

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

Which series is arranged in order from largest to smallest in size?

• chromosome, nucleus, cell, DNA
• cell, nucleus, chromosome, DNA
• chromosome, cell, DNA, nucleus
• cell, nucleus, DNA, chromosome