DNA

DNA is a(n)

• atom

• molecule

• nucleus

• cell

A DNA molecule is shaped like a

• toilet

• cone

• ball

• spiraled ladder

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NGSS.HS-LS1-1

DNA acts like a(n )__________________ for our traits.

• instruction manual

• nucleus

• cell

• gene

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NGSS.HS-LS3-1

A chromosome is made of coiled up ___________.

• cells

• nuclei

• DNA

Which is the primary purpose of using restriction enzymes before gel electrophoresis?

• It cuts the DNA strands in a set location for analysis.

• It restricts the number of base pairs that can be tested in a sample

• It makes the testing simpler by moving the strands into the gel faster

• It charges the DNA strands

A method used to rapidly make multiple copies of a specific segment of DNA.

• PCR (Polymerse Chain Reaction)

• Electrophoresis

• DNA Probe

Which is the primary purpose of using restriction enzymes in gel electrophoresis?

• It allows the strands of DNA to be cut into various lengths for testing

• It restricts the number of base pairs that can be tested in a sample

• It makes the testing simpler by moving the strands into the gel faster

• It charges the DNA strands

The FBI database that stores DNA profiles

• CODIS

• AFIS

• STRATUS

• FEDDNA

Little pieces of DNA that code for our traits are called

• cells

• chromosomes

• genes

Tags

NGSS.HS-LS3-1

Most chromosomes are shaped like the letter

• Q

• W

• P

• X