Basic Dna

A template strand of DNA is 3′ TAGGCATTGCA 5′.

What is the complementary DNA strand that is created from this template during replication?

• 5′ TGCAATGCCTA 3′

• 5′ TAGGCATTGCA 3′

• 5′ AUCCGUAACGU 3′

• 5′ ATCCGTAACGT 3′

Which bonds hold the nitrogen bases together?

• hydrogen bonds

• covalent bonds

• ionic bonds

• phosphates

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2

Replicate the following strand of DNA: 
AATCATGGA

• AATCATGGA
• TTAGTACCT
• UUAGUACCU
• GGATAUCUA

The drawing shows the structure of what molecule?

• A DNA molecule
• A lipid molecule
• A carbohydrate molecule
• A protein molecule

Tags

NGSS.HS-LS1-1

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

What are the 4 nitrogen bases?

• adenine, thymine, cytoplasm, and guanine
• adenine, thymine cytosine, and guanine
• adenine, thymine, cytosine, and gylcerol
• adenine, thymine, cytosine, and glucose