DNA 7th grade

Who were the first guys to build a model of a DNA molecule?

• Larry, Moe, and Curley Joe
• Watson and Crick
• Watson and Holmes
• Superman and Batman

The shape of the DNA molecule is a double __________________?

• "S"
• helix
• rope
• curve

When DNA makes a copy of itself, the new strands are identical or different?

• identical
• different

What kind of information does DNA carry?

• genetic
• nuclear
• cell structure
• it doesn't carry any info

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

DNA makes a copy of itself the single  stranded copy is called:

• translation
• RNA
• cDNA
• division

What would be the correct matching sequence for the other side of this DNA ATTGGCCTAGA:

• ATTGGCCTAGA
• TAACCGGATGA
• TAACCGGATCT
• TAACGGGATCT

Cytosine always bonds with _________________.

• Adenine
• Thymine
• Guanine
• Cytosine

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands

How many pairs of chromosomes do humans have?

• 10
• 23
• 11
• 15

Which is accurate about chromosomes?

• Chromosomes are x-shaped and contain various codes of genes.
• Chromosomes are located outside of the cell
• Chromosomes make the plant cell have its green color.
• Chromosomes are not genetic

Tags

NGSS.HS-LS1-1