Central Dogma Check In

The process of DNA replication is called semi conservative because it results in

• none of these

• Two DNA molecules.  One original molecule and one with two new strands

• two exact copies with new strands

• two DNA molecules, each with 1 original strand and one new.

DNA replication runs from ______' to _____' and is said to be ______________________

• 5, 3, antiparallel

• 3, 5, antiparallel

• 5, 3, parallel

• 3, 5, parallel

A template strand of DNA is 3′TAGGCATTGCA 5′

What is the complementary DNA strand that is created from this template during replication?

• 5'TGCAATGCCTA 3'

• 5'TAGGCATTGCA 3'

• 5′ AUCCGUAACGU 3′

• 5'ATCCGTAACGT3'

The percentage of thymine (T) in a given segment of double-stranded DNA is 36%

What are the percentages of the remaining nucleotides?

• 14% A, 36% C, 14% G

• 14% A, 14% C, 36% G

• 14% U, 14% C 36% G

• 36%A, 14% C, 14% G

What are the 3 parts of a nucleotide?

Check all that apply

• deoxyribose

• phosphate

• N-base

• glucose

• purine

Label the parts!

b

c

d

a

Primase

RNA Polymerase

Helicase

RNA primer

Ligase

Replication fork

Label the parts of the DNA nucleotide

a

b

c

deoxyribose

adenine

ribose

phosphate group

uracil

Match the type of RNA with its function

• rRNA

• Component of ribosomes

• tRNA

• Carries amino acids to the ribosome during translation

• mRNA

• Carries the DNA code to the ribosome

What is the correct order to make a protein?

• Protein, DNA, RNA

• RNA, DNA, Protein

• DNA, RNA, Protein

• Protein, RNA, DNA

Tags

NGSS.HS-LS1-1

The sequence of DNA that serves as the attachment point for RNA polymerase is called what?

• promoter

• enhancer

• silencer