Proteins and genes Quick Check 1

Traits are the result of...

• luck

• genes expressing specific proteins

• magical influence

• cosmic destiny

Tags

HS-LS3-1

HS-LS3-3

In a cell, protein synthesis is the primary function of

• ribosomes

• mitochondria

• chloroplasts

• vacuoles

Tags

HS-LS3-1

What is the name of the enzyme that proofreads the DNA and lays down the new DNA?

• DNA Ligase

• DNA Helicase

• DNA Polymerase

Tags

HS-LS3-1

Long strands of DNA are wrapped into ...

• DNA

• Chromosome

• Alleles

• Phenotype

Tags

HS-LS3-1

An observable characteristic in an organism is...

• Trait

• Undefinable

• Cell

• DNA

Tags

HS-LS3-4(MA)

DNA Replication is semi-conservative so during the replication of DNA _____.

• Each copy of DNA has 2 new strands.

• Each copy of DNA has one original strand and one new strand.

• Each copy has 2 old strands.

Tags

HS-LS1-1

A DNA molecule is in the shape of...

• a knotted mess

• a starburst

• a double helix (like a spiral staircase)

• It varies cell to cell

Tags

HS-LS1-1

Base your answer to this question on the Universal Genetic Code Chart and on your knowledge of biology.

When provided with a sequence of bases in one segment of mRNA, the Universal Genetic Code Chart is

used to

• directly identify the DNA from an animal cell

• determine the sequence of amino acids in a protein

• change the RNA sequence of a protein into DNA

• identify the specific mutations in the genetic material in a cell

Tags

HS-LS1-1

In humans, freckles (F) on the skin are dominant to no freckles (f).  If a heterozygous parent and a recessive parent conceive a child, what is the chances of having a child with NO FRECKLES?

• 0%

• 50%

• 100%

• 75%

Tags

HS-LS3-3

Base your answer to this question on the Universal Genetic Code Chart and on your knowledge of biology. You can click on the picture to make it bigger.

Use the Universal Genetic Code Chart is

used to put the  amino acid sequence in the correct order for this mRNA sequence

AUG CCA UAU UGU UGA

​ (a)   ​ (b)   ​ (c)   ​ (d)   ​ (e)  

• MET
• PRO
• TYR
• LEU
• STOP
• ILE
• CYS
• SER
• THR