DNA structure

Which of the following best describes a DNA molecule?

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

Tags

NGSS.HS-LS1-1

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Adenine bonds with ______________.

• Guanine
• Thymine
• Cytosine
• Adenine

Tags

CCSS.RI.3.5

CCSS.RL.4.1

CCSS.RL.5.1

CCSS.RL.9-10.9

A strand of DNA has these bases: AGC CAT GTA TAC What is the complementary DNA strand?

• ACG GAT CTA TAG

• TCG GTA CAT ATG

• TGC CTA GAT ATC

• UCG CUA CAU AUG

Which statement is TRUE about DNA, proteins and our traits?

• Proteins combine to produce traits, which are determine by DNA.

• DNA is made up of proteins, which determine our traits.

• DNA controls the production of proteins that determine our traits.

• Proteins are made up of DNA, which determines the traits of living organisms.

What is the subunit of DNA and their functions?

• lipids that stores long term energy

• monosaccharides that provides quick energy

• nucleotides that store genetic information

• proteins that provide building blocks for the structural components of organisms.

Which 2 molecules form the sides of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• sugar and the nucleus
• deoxyribose (sugar) and phosphate

DNA is found in the:

• cell membrane
• vacuole
• chloroplast
• nucleus

In the DNA double helix, the bases (AtoT and CtoG) are held together by: 

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

The five-carbon sugar found in DNA.

• ribose
• guanine
• deoxyribose
• helicase

Tags

NGSS.HS-LS1-6