QSMA Review Part 3

What will be the resulting mRNA from this DNA sequence:

GAT-TAC-AGA-TTA-CAT?

• CTA-ATG-TCT-AAT-GTA

• GAU-UAG-UGA-UUA-GUT

• CUA-AUG-UCU-AAU-GUA

• CAT-ACA-TAC-ATA-TAG

The central dogma of biology states that information flows in one direction from 

• nuclei to RNA to cytoplasm
• ribosomes to proteins to DNA
• genes to nuclei to ribosomes
• DNA to RNA to proteins

Which phrase best describes translation?

• converts mRNA into a polypeptide
• catalyzes bonds between amino acids
• produces RNA from DNA molecules
• recycles tRNA molecules for reuse

The joining of a sperm cell and an egg cell is called __________.

• fertilization

• labor

• asexual reproduction

• magic

Tags

NGSS.MS-LS3-2

Who is credited for discovering the shape of DNA?

• James Lebron and Francis Oneill
• James Watson and Francis Crick
• Henry Ford
• Rosalind Franklin

What 3 things make up a nucleotide?

• Sugar, Phosphate, Nitrogen Base
• Sugar, Hydrogen, Carbon
• Carbon, Phosphate, Nitrogen
• mRNA, tRNA and rRNA

Which of the following would result in a frameshift mutation?

• Insertions only
• Substitution only
• Deletion only
• Insertions and Deletions

Tags

NGSS.HS-LS3-2

How many chromosome pairs are there in a somatic cell?

• 23

• 26

• 43

• 46

How many chromosomes are there in a somatic cell?

• 23

• 26

• 43

• 46

How many cells are created at the end of meiosis?

• 1

• 2

• 3

• 4