DNA Basics

DNA Basics

Open Ended

Tell me EVERYTHING you know about DNA!

Multiple Choice

Double helix molecule that contains instructions for life!

• Chromosome

• DNA

• Gene

Multiple Choice

DNA that is all wrapped up in a rod-like package.

• Chromosome

• DNA

• Gene

Multiple Choice

Sections of DNA that codes for a trait

• Chromosome

• DNA

• Gene

Multiple Choice

What does it mean when they say that DNA is universal?

• DNA for all living things (plants, animals, bacteria) is made up of the same four nitrogen bases but in different orders.

• DNA for all living things (plants, animals, bacteria) is exactly the same.

• DNA is in every living and non-living thing.

Multiple Choice

Based on what you have learned so far, what does this image mean?

• It means that the fly, fungus, and bacteria all are actually the exact same organism

• It means that the fly, fungus, and bacteria have have DNA with very different structures.

• It means that the fly, fungus, and bacteria all have DNA that is the same structure (phosphate, sugar, base)

Multiple Choice

What shape is DNA?

• A circle

• Rod-shaped

• Single-helix

• Double-helix

Multiple Choice

What makes up a single nucleotide?

• Circle, hexagon, and rectangle

• Phosphate, sugar, nitrogen base

• A, T, C, G

• A DNA molecule

Multiple Choice

What is the backbone of DNA?

• Alternating Sugar and Phosphates

• Nitrogen Bases

• Two sugars, then two phosphates

Multiple Choice

What does Adenine pair with?

• Adenine

• Thymine

• Cytosine

• Guanine

Multiple Choice

What does Thymine pair with?

• Adenine

• Thymine

• Cytosine

• Guanine

Multiple Choice

What does Cytosine pair with?

• Adenine

• Thymine

• Cytosine

• Guanine

Multiple Choice

What does Guanine pair with?

• Adenine

• Thymine

• Cytosine

• Guanine

Multiple Choice

What do all nucleotides have in common?

• Phosphate and sugar backbone

• The nitrogen base

Multiple Choice

Four different nucleotides are used as building blocks of DNA. Which of the following can be used to distinguish one nucleotide from another?

• The nitrogen base

• The shape of the deoxyribose sugar

• The length of the phosphate group

• The type of fatty acid

Multiple Choice

Each strand of DNA molecule contains nitrogenous bases that pair with other nitrogen bases in very specific ways. A diagram of a section of DNA is shown.

T G T A C G A A T C

Which DNA strand is complementary (pairs with) the one shown above?

• A C A T C C A T G

• T C T G C T T A C

• A C A T G C T T G

• T C A T G C T T G