Biology DNA and Heredity

What is a gene?

(a)  

In the language of DNA, how many letters are there?

• 3

• 4

• 26

• 46

Which of these best describes DNA’s job?

• It makes every decision in a cell

• It organizes a cell into its parts.

• It fixes problems when they come up in a cell.

• It tells which amino acid to put next in a protein.

What is the central dogma in biology?

• It’s the mother dog in the center of a litter of nursing puppies.
• Survival of the fittest.
• DNA instructs RNA how to build proteins.

What’s the difference between a DNA base and a nucleotide?

• The base is bigger
• The nucleotide is bigger
• A base has a phosphate and a sugar attached.

How many steps are there a DNA ladder?

• 3000000

• 3000000000

• 3

• 22000

Approximately how many genes are on the human genome?

• 3 billion
• 22 thousand
• 4
• 23 pairs

If DNA was a boss, what would it be likely to be saying most of the time?

• "Put that amino acid there and then that one and then that one."
• "Make more and more and more of me!"
• "I don't know how proteins are put together, that's your job!"

What does synthesis mean?

• Something is getting destroyed
• Something is getting made
• Somebody is playing techno music

Which side shows RNA?

• A
• B