Protein Synthesis and Mutations

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Tags

NGSS.HS-LS1-1

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A

• Substitution
• Deletion
• Insertion
• Frameshift 

Tags

NGSS.HS-LS3-2

ATTTGAGCC- Original
ATTGAGCC - Mutated
The example above is an example of a 

• Insertion- Frameshift
• Deletion- Substitution
• Deletion -Frameshift
• All of the above

Tags

NGSS.HS-LS3-2

RNA is read in sections called:

• Triplets
• Genes
• Codons
• Genes

Transcription is a process that in eukaryotic cells takes place in the:

• Nucleus
• Cytoplasm
• Golgi Apparatus
• Rough E.R.

Translation is a process in eurkaryotic cells takes place in the:

• Cytoplasm
• Nucleus
• Nucleolus
• Golgi Bodies

Tags

NGSS.HS-LS1-1

The main function of tRNA is to...

• carry a message that, when translated, forms proteins
• form a portion of ribosomes
• string together complementary RNA and DNA strands
• bring amino acids from the cytoplasm to the ribosomes

What amino acid is represented by the codon UUA?

• Phenylalanine
• Tyrosine
• Leucine
• Stop codon

Tags

NGSS.MS-LS3-1