Biology Chapter

What is the matching base pair sequence for this set of code?

UUU

• TTT

• AAA

• UUU

All animals and plants both living and dead have or had DNA?

• True

• False

• Maybe

• Not really

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

mRNA nucleotides transcribe the complementary ______ message.

• DNA

• RNA

• ATP

Tags

NGSS.HS-LS1-1

mRNA attaches to the ribosome and the first _______ is read.

• Amino Acid

• Nucleic Acid

• Codon

tRNA brings in the proper amino acid from the ________.

• Cytoplasm

• Nucleus

• Blood

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

DNA will never leave the nucleus of the cell.

• True

• False

• ummm?

• Whaaa?

Tags

NGSS.HS-LS1-1

The process by which one strain of bacterium is apparently changed into another strain is called:

• transcription

• transformation

• duplication

• replication

Which of the following researchers used radioactive markers in experiments to show that DNA was the genetic material in cells?

• Frederick Griffith

• Oswald Avery

• Alfred Hershey & Martha Chase

• James Watson and Francis Crick

Before DNA could definitively be shown to be the genetic material in cells, scientists had to show that it could

• tolerate high temperatures

• carry and make copies of information

• be modified in response to environmental conditions

• be broken down into small subunits

Tags

NGSS.HS-LS1-1

According to Chargaff's rule of base pairing, which of the following is true about DNA?

• A=T, C=G

• A=C, T=G

• A=G, T=C

• A=T=C=G