Molecular Genetics

Which statement best describes  the substance to the right? (3.1.1)

• It is a single helix that is responsible for protein synthesis
• t is a primary source of energy for the cell
• It is composed of amino acids
• It is a DNA double helix that is coiled into chromosomes.

Tags

NGSS.HS-LS1-1

How are prokaryotic and eukaryotic cells  similar? (1.1.2)

• Both contain a nucleus.
• Both contain cell walls.
• Both contain membrane-bound organelles.
• Both contain ribosomes.

The student identifies the biomolecule (polymer)  as a protein because (4.1.1):

• It is composed of amino acids and catalyzes reactions.
• It is composed of nucleic acid and controls traits.
• It is composed of amino acids and is in the nucleus.
• It is composed of nucleic acid and stores energy.

Tags

NGSS.HS-LS1-1

The inner membrane of the mitochondria    consists of a series of folds.  How might this be  advantageous to the cell? (1.1.1)

• It increases surface area for energy production.
• It allows for more efficient conversion of light energy to chemical energy.
• It reduces the need for transport proteins.
• It creates a specialized compartment for lipid storage.
  

A strand of DNA has these bases: AGC CAT GTA TAC. What is the complementary DNA strand? (3.1.1)

• ACG GAT CTA TAG
• TCG GTA CAT ATG
• TGC CTA GAT ATC
• UCG CUA CAU AUG

Which amino acid sequence can be coded from the DNA sequence GCT GGG CTA? (3.1.2)

• Serine-Glycine-Lysine
• Arginine-Leucine-Valine
• Arginine-Glycine-Aspartic Acid
• Arginine-Proline-Aspartic Acid

Tags

NGSS.HS-LS1-1

Uncontrolled cell division is a characteristic of (3.1.3):

• mitosis
• meiosis 
• replication
• cancer

In nucleotides, the letters A, G, C, T represent (3.1.1):

• phosphate groups
• deoxyribose sugars
• ribose sugars
• nitrogenous bases

How would overexposure to X-rays affect  most animal cells? (3.1.3)

• It would increase cell specialization in organs.
• It would change the sequence of DNA nucleotides in affected cells.
• It would produce new nucleotides for DNA molecules.
• It would cause an increase in red blood  cell production

Tags

NGSS.HS-LS1-1

What has occurred in the picture below? (3.1.3)

• transcription
• translation 
• replication
• mutation

Tags

NGSS.HS-LS3-2