IB Bio A - A1.2 DNA Structure Review

Word Cloud

What is a concept or term that you recall from the DNA Structure Lecture?

Multiple Choice

What type of macromolecule is DNA?

• Polysaccharide

• Polypeptide

• Lipid

• Nucleic Acid

Multiple Choice

DNA stores

• genetic information

• long term energy supply for cells

• short term energy supply for cells

• metabolic pathways

Multiple Choice

Nucleic acids (like DNA) are composed of many

• Nucleotides

• Amino acids

• Fatty acids

• Monosaccharides

Multiple Select

Which of the following are present in a nucleotide? (select all that apply)

• Nitrogenous Base (A, T, G ,or C)

• Deoxyribose

• Phosphate Group

• Carboxyl Group

Multiple Choice

Which of the following is true of DNA nucleotides

• The phosphate group and the nitrogenous base are bonded together

• The pentose sugar is a deoxyribose sugar

• Each nucleotide has three nitrogenous bases

• Deoxyribose is a hexose sugar

Fill in the Blank

In a DNA molecule, complementary nitrogenous bases are connected to one another via ________ bonds.

Multiple Choice

In a DNA molecule, what will the nitrogenous base Adenine pair with?

• Adenine

• Thymine

• Guanine

• Cytosine

Fill in the Blank

If one strand of a DNA molecule reads ATC GTA TTA, what will the complementary strand read?

Multiple Choice

In strands of DNA, Phosphate groups of one nucleotide are bonded to the _ Carbon of the deoxyribose in the next nucleotide.

• 5'

• 3'

• 1'

• 4'

Multiple Choice

What type of bond occurs between the phosphate group of one nucleotide and the deoxyribose of the next nucleotide?

• Hydrogen

• Carbon

• Ionic

• Covalent

Open Ended

DNA stores genetic information. In your own words, explain how DNA does this.

Fill in the Blank

All living things use the same four nitrogenous bases (A, T, G, C) to store information in their DNA. This provides evidence that all living things have ______ ________.

Poll

How would you describe your understanding of DNA Structure.

• I'm lost, please review more.

• I'm going to study some more at home, but don't need to review more in class.

• I feel good, we can move on to the next topic.