jeopardy

Question 1

What does a DNA nucleotide consist of?

Answer 1

Deoxyribose sugar, phosphate group, nitrogen base

Question 2

During which stage of the cell cycle does the entire cell genome replicate?

Answer 2

S phase

Question 3

What is made during transcription?

Answer 3

RNA transcript (mRNA)

Question 4

What are amino acids held together by?

Answer 4

Peptide bonds

Question 5

What is the purpose of mitosis?

Answer 5

Cell division; creates 2 identical daughter cells from 1 original mother cell

Question 6

What kind of nitrogenous base is Adenine?

Answer 6

Purine

Question 7

What kind of nitrogenous base is Adenine?

Answer 7

Purine

Question 8

Which enzyme removes an RNA primer and replaces it with DNA?

Answer 8

Exonuclease

Question 9

A codon consists of what?

Answer 9

3 consecutive mRNA bases

Question 10

Where are proteins made?

Answer 10

On ribosomes in the endoplasmic reticulum or in the cytoplasm

Question 11

What are the 3 defining characteristics of a stem cell?

Answer 11

Undifferentiated cell, self-renewal

Question 12

If a double stranded DNA molecule contains 15% (A), what is the % (C)?

Answer 12

35%

Question 13

DNA replication is…

Answer 13

Semiconservative

Question 14

What are two mRNA modifications that are necessary for translation of the transcript?

Answer 14

5’ methylated cap and a poly A tail

Question 15

What is a tertiary structure of a protein?

Answer 15

Its 3D shape results in functional protein

Question 16

Which chromosomal region shortens with each cell division?

Answer 16

Telomeres

Question 17

Based on the direction that they are in, the 2 DNA strands are…

Answer 17

Antiparallel

Question 18

If DNA polymerase could add bases in the 3’ to 5’ direction, there would be no need for…

Answer 18

Okazaki fragments

Question 19

How is RNA different from DNA?

Answer 19

RNA is single stranded, RNA uses “U” instead of T, and has ribose instead of deoxyribose

Question 20

How many sites does a tRNA have and what is their function?

Answer 20

The anticodon base pairs with the codon on the 3’ end, which carries the appropriate amino acid.

Question 21

How many chromosomes will a diploid cell (n=5) have at the end of anaphase?

Answer 21

20

Question 22

Chromosomal DNA in the nucleus winds around these proteins…

Answer 22

Histones

Question 23

What are the 3 main steps of PCR?

Answer 23

Denaturation, annealing, and extension

Question 24

A complete transcription complex consists of the following…

Answer 24

Promotor region with a TATA box, a TATA binding protein bound to the TATA box, and transcription factors bound to the promoter

Question 25

What amino acid sequence will be generated from the following mRNA transcript:

5’ AUG UCU UCG UUA UGA UUG UAA 3’

Answer 25

Met- Ser- Ser- Leu

Question 26

If the centromere of chromosome 1 failed to divide in a cell with 6 chromosomes, how many chromosomes would the daughter cells have?

Answer 26

5 and 7

Question 27

List all of the molecules and steps that constitute the central Dogram of Biology in order and note where these processes occur.

Answer 27

1. DNA; nucleus
2. DNA replication; nucleus
3. Transcription; nucleus
4. mRNA; nucleus
5. Translation; cytoplasm, ER
6. Protein; cytoplasm, ER