DNA Structure and Replication

What is DNA?

• The inherited genetic information from your parents

• Important proteins

• Inherited traits from your parents

• Amino acids

A chromosome is....

• Inherited genetic information from your parents

• A section of DNA that codes for specific traits

• A package of DNA found in the nucleus

• A cell organelle

What is a gene?

• A package of DNA found in the nucleus

• Inherited genetic information from your parents

• A cell organelle

• A section of chromosomes that codes for specific traits

How many chromosomes do human cells have?

• 23

• 46

• 64

• 12

All of the following are functions of DNA except for...

• Passing along information

• Copying information

• Making up new information

• Storing genetic information

What do we call DNA's shape?

• Double helix

• Twist

• Triple helix

• Coiled

The building blocks of DNA are called...

• amino acids

• nucleotides

• proteins

• sugars

Which is NOT a part of a nucleotide?

• Sulfur base

• Nitrogenous base

• Phosphate group

• Deoxyribose sugar

The four nitrogenous bases are adenine, cytosine, ________ & ____________

• thymine & cytosol

• thynosine & guanine

• thymine & guanine

• thynosine & cytosol

Which famous scientist(s) photographed DNA using x-rays?

• Rosalind Franklin

• Watson & Crick

• Erwin Chargaff

• Einstein