DNA!

Why is the nucleus called the 'control center' of the cell?

• Because it controls all the activities of the cell because it houses DNA

• Because it contains energy

• Because it is spherical in shape

• Because it is located in the center of the cell

Tags

NGSS.MS-LS1-2

What is a gene?

• A segment of DNA that codes for a particular protein

• Contains all DNA of the cell

• A chemical that changes energy levels in a cell

• A small spherical body in a cell

What is the technical name for the shape of DNA?

• Double helix

• Spherical

• Threadlike

• ladder

How many strands does DNA have? (Remember double helix?)

• 1

• 2

• 3

• 4

Where in the cell are chromosomes located?

• In the nucleus

• In the cytoplasm

• In the cell membrane

• In the mitochondria

Tags

NGSS.HS-LS3-1

What are the sides of the DNA ladder made of?

• Sugar and phosphate molecules

• Adenine and guanine

• Thymine and cytosine

• Purines and pyrimidines

What are the 4 bases that make up the rungs (the middle) of the DNA ladder?

• Adenine, guanine, thymine, cytosine

• Sugar, phosphate, deoxyribose, nucleotide

• Purines, pyrimidines, nucleotides, chromosomes

• Nucleus, cell, protein, trait

What sugar is found in DNA?

• Deoxyribose

• Glucose

• Sucrose

• Fructose

How do the bases bond together? A (adenine) bonds with

• T (Thymine)

• G (Guanine)

• C (Cytosine)

• A (Adenine)

How do the bases bond together? C (Cytosine) bonds with

• T (Thymine)

• G (Guanine)

• C (Cytosine)

• A (Adenine)