Biology Winter Tri Mid-Term Quiz

Descripción

Melinda's 2015 Mid-Term Biology Practice Questions
lexileff
Test por lexileff, actualizado hace más de 1 año
lexileff
Creado por lexileff hace casi 12 años
114
0

Resumen del Recurso

Pregunta 1

Pregunta
What determines a proteins function?
Respuesta
  • A protein' shape
  • A protein's oxidation
  • A protein's color
  • A cell's shape

Pregunta 2

Pregunta
What happens when hemoglobin mutates at a critical point?
Respuesta
  • The function changes
  • The shape changes
  • Nothing changes

Pregunta 3

Pregunta
What are the types of hereditary traits?
Respuesta
  • Preferances
  • Predisposition to medical disorders/diseases
  • Behavioral traits
  • Opinions
  • Physical traits

Pregunta 4

Pregunta
Males have two Y chromosomes and females have one Y and one X chromosome
Respuesta
  • True
  • False

Pregunta 5

Pregunta
How many chromosomes do humans have and where do they come from?
Respuesta
  • 48 (24 from the mother and 24 from the father)
  • 48 (12 from the mother, 12 from the father, and 24 are created once the baby is concieved)
  • 46 (23 from the mother and 23 from the father)
  • 46 (24 from the mother and 22 from the father)
  • 50 (25 from the mother and 25 from the father)

Pregunta 6

Pregunta
How many natural amino acids are there?
Respuesta
  • 21
  • 12
  • 56
  • 20

Pregunta 7

Pregunta
The nucleus of a cell is like a computer's hard-drive
Respuesta
  • True
  • False

Pregunta 8

Pregunta
The DNA of a cell (held in the nucleus) is like a computers software
Respuesta
  • True
  • False

Pregunta 9

Pregunta
mRNA act like cellular 3-D printers
Respuesta
  • True
  • False

Pregunta 10

Pregunta
Ribosomes act like messengers or flashdrives within the cell, sending copies of software
Respuesta
  • True
  • False

Pregunta 11

Pregunta
Genes are made of nucleotides (A, T, C, and G)
Respuesta
  • True
  • False

Pregunta 12

Pregunta
Genes are instructions for printing proteins
Respuesta
  • True
  • False

Pregunta 13

Pregunta
Amino acids are used to build the nucleus
Respuesta
  • True
  • False

Pregunta 14

Pregunta
tRNA are "truckers" that bring amino acids to ribosomes that are creating proteins
Respuesta
  • True
  • False

Pregunta 15

Pregunta
One gene is enough DNA to give ribosomes protein making instructions
Respuesta
  • True
  • False

Pregunta 16

Pregunta
What is a misspelling (in terms of genetics)?
Respuesta
  • A mutation in genetic code
  • When mRNA prints the wrong proteins
  • When you use the wrong letters to spell a word
  • When you miss or skip the first step of cellular division

Pregunta 17

Pregunta
DNA polymerase is the editing enzyme
Respuesta
  • True
  • False

Pregunta 18

Pregunta
Where does transcription take place?
Respuesta
  • The ribosomes of a cell
  • The nucleus
  • The cytosol
  • The cell wall

Pregunta 19

Pregunta
Where does translation occur?
Respuesta
  • The ribosomes of a cell
  • The nucleus
  • The cytosol
  • The cell wall

Pregunta 20

Pregunta
What is transcription
Respuesta
  • The process of converting DNA code into mRNA code
  • The process of converting DNA code into proteins
  • The process of converting mRNA code into proteins
  • The process of converting proteins into DNA

Pregunta 21

Pregunta
What is translation?
Respuesta
  • The process of converting DNA code into mRNA code
  • The process of converting DNA code into proteins
  • The process of converting mRNA code into proteins
  • The process of converting proteins into DNA

Pregunta 22

Pregunta
During the DNA replication process, a double helix is unzipped and both sides' genetic codes are matched to create two identical double helices.
Respuesta
  • True
  • False

Pregunta 23

Pregunta
What is helicase?
Respuesta
  • an cell
  • an enzyme that unzips a double helix
  • a metal briefcase
  • a enzyme that converts DNA into mRNA
Mostrar resumen completo Ocultar resumen completo