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Fall Biology 1

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Quiz on Fall Biology 1, created by Kate Kerr on 16/11/2014.
Kate Kerr
Quiz by Kate Kerr, updated more than 1 year ago
Kate Kerr
Created by Kate Kerr over 9 years ago
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Resource summary

Question 1

Question
In order to encode a new memory you must
Answer
  • review
  • attend
  • rehearse

Question 2

Question
Whether a new memory enters the brain
Answer
  • consolidation
  • recall
  • encoding

Question 3

Question
The number and locations of connections in your brain cells, storing a memory
Answer
  • consolidation
  • recall
  • encoding

Question 4

Question
The ability of the brain to quickly find the memory
Answer
  • consolidation
  • recall
  • encoding

Question 5

Question
What activity causes new cells to grow in the hippocampus, increases recall for up to 4 hours, and increases levels of serotonin in the brain.
Answer
  • listening to music
  • studying
  • playing video games
  • cardio exercise

Question 6

Question
Which of the following lead to better consolidation of a new memory?
Answer
  • Taking notes during a lecture
  • Reviewing material within 24 hours
  • Reviewing material in different ways
  • Waiting to study right before the test

Question 7

Question
Serotonin, dopamine and norepinephrine are all neurotransmitters
Answer
  • True
  • False

Question 8

Question
Which of the following are possessed by all cells? (Choose all that apply)
Answer
  • Ribosomes
  • Golgi apparatus and other organelles
  • Cytoplasm
  • Nucleus
  • DNA
  • Plasma membrane

Question 9

Question
Microfilaments and microtublues, that give the cell shape and act as the "highways" in a cell are called _________.
Answer
  • organelles
  • plasma membrane
  • cytoskeleton
  • cytoplasm

Question 10

Question
A gel like substance filling the area between the plasma membrane and the nucleus is called ____________.
Answer
  • organelles
  • plasma membrane
  • cytoskeleton
  • cytoplasm

Question 11

Question
The fluid and dynamic boundary made mostly of phospholipids is called ______________.
Answer
  • organelles
  • plasma membrane
  • cytoskeleton
  • cytoplasm

Question 12

Question
Membrane carbohydrates are molecules that form specialized sites on the cell's surface which allow cells to recognize each other
Answer
  • True
  • False

Question 13

Question
What are the molecules, embedded in the membrane, which regulate the fluidity of the cell membrane and changing temperature?
Answer
  • Membrane carbohydrates
  • Membrane receptors
  • Membrane cholesterol

Question 14

Question
What molecules are major components of the plasma membrane? (Choose all that apply)
Answer
  • carbohydrates
  • phospholipids
  • nucleic acids (DNA, RNA)
  • proteins

Question 15

Question
What flows from high to low? (Choose the ONE best answer)
Answer
  • Molecules, from high to lower concentration
  • Charged particles, from areas of high charge to areas of lower charge
  • Molecules, from areas of high pressure to areas of lower pressure
  • all of the above
  • none of the above

Question 16

Question
Carbon dioxide moving from 10% concentration in a cell's cytosol, to a 7% concentration outside the cell uses active cellular transport
Answer
  • True
  • False

Question 17

Question
Sodium ions moving from 4% outside to 10% inside needs active cellular transport.
Answer
  • True
  • False

Question 18

Question
Sugars moving from 5% concentration in the blood, to 3 % in the cells uses passive cellular transport.
Answer
  • True
  • False

Question 19

Question
Water moving from a cell that is 95% water out to the surrounding solution that is 90% is needs active cellular transport.
Answer
  • True
  • False

Question 20

Question
The movement from high concentration to lower concentration through some portion of the cell membrane is called ___________.
Answer
  • facilitated diffusion
  • osmosis
  • electrochemical gradient
  • diffusion

Question 21

Question
The diffusion of water across the cell membrane is called __________.
Answer
  • facilitated diffusion
  • osmosis
  • electrochemical gradient
  • diffusion

Question 22

Question
The difference (in concentration or charge) of any substance, between the inside and the outside of the cell is called ________________.
Answer
  • facilitated diffusion
  • osmosis
  • electrochemical gradient
  • diffusion

Question 23

Question
The movement of molecules from high to low concentration, through a one-way protein valve (like a turnstile) in the cell membrane is called ________________.
Answer
  • facilitated diffusion
  • osmosis
  • electrochemical gradient
  • diffusion

Question 24

Question
Oxygen and water molecules moving from high to low concentration will pass between the phospholipids of the membrane
Answer
  • True
  • False

Question 25

Question
Transmembrane protein pumps are used to transport substances (all except gases and water) from LOW to HIGH
Answer
  • True
  • False

Question 26

Question
Sugar and charged calcium ions, moving from high to low concentration will pass using a channel protein membrane "door"
Answer
  • True
  • False

Question 27

Question
Exocytosis and endocytosis are how very large particles get moved out of and in to through the cell membrane.
Answer
  • True
  • False

Question 28

Question
Energy is required:
Answer
  • When pumping ions from high concentration to lower concentration
  • For facilitated diffusion
  • When moving fat or lipids from lower to higher concentrations
  • When oxygen moves from oxygen rich to oxygen starved cells

Question 29

Question
Which way will the water molecules move if a cell, whose cytosol is 95% water is placed in a test-tube of salt water (10% salt, 90% water)?
Answer
  • into the cell
  • no net flow in or out
  • out of the cell

Question 30

Question
Which way will water molecules move if a cell, whose cytosol is 95% water, is placed in a test-tube of 100% water?
Answer
  • into the cell
  • no net flow in or out
  • out of the cell

Question 31

Question
In which case will the flow of sugar be FASTEST?
Answer
  • Sugar concentration outside of cell: 10% and Sugar concentration inside the cell: 8%
  • Sugar concentration outside of cell: 10% and Sugar concentration inside the cell: 2%
  • Sugar concentration outside of cell: 6% and Sugar concentration inside the cell: 2%
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