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Biology Core Review - Cells Flashcards | StudBud
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Biology Core Review - Cells
Biology Core Review - Cells
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Utah core standard 2
Flashcards
21 cards
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Practice quiz
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Questions
21
Answers
1
Where do new cells come from?
from preexisting cells
from lymph glands
from the blood
from food molecules in the digestive tract
2
What scientist is given credit for our current understanding of cell theory?
Watson discovered how DNA is structured in a cell
Many scientists have contributed to our understanding
Galileo fought for rights of scientists to express findings
Leeuwenhoek used a microscope to discover cork cells
3
Water is polar. What does polar mean in this sense?
freeze easily and boil rapidly
be very cold and difficult to warm up
have positive and negative charged ends
have a low heat capacity
4
What part of a cell must be duplicated exactly during mitosis?
cell membrane
nucleus
mitochondria
chromosomes
5
Which of these is a lipid (from top down)?
4th
3rd
1st
2nd
6
What process provides new cells for growth and replacement of body cells?
digestion
metabolism
mitosis
respiration
7
A cell with a large number of ribosomes would be capable of what task?
contracting
sending electrical signals
creating proteins
storing fat
8
Which process requires a cell to use energy to move materials?
mitosis
osmosis
diffusion
active transport
9
Why must homeostasis be maintained in a cell?
the cell membrane would lose its lipid bilayer
wastes, water, and nutrients have to be in balance
salt will leave the cell if homeostasis is not maintained
water will enter the cell if homeostasis isn't maintained
10
Which term defines the movement of water through a membrane from high concentration to low?
osmosis
diffusion
active transport
mitosis
11
Which organelle is responsible for processing energy in the cell?
golgi body
mitochondria
ribosome
nucleus
12
Which of the following is a reactant in photosynthesis?
heat and motion
carbon dioxide
sugar
oxygen
13
What is the function of the 2nd molecule down from the top?
store energy for future use
provide "quick energy" for cells
carry genetic information
act as an enzyme
14
What are the functions of lipids?
contain genetic information
provide molecules for body structures and enzymes
provide "quick energy" when the body needs it
store energy and release it when it is needed
15
What chemical elements would you expect to find in abundance in a living cell?
hydrogen, neon, argon
sodium, potassium, sulfur
iron, magnesium, calcium
carbon, oxygen, hydrogen
16
What are the results if a single cell goes through mitosis?
two new cells, full set of chromosomes
four new cells, full set of chromosomes
two new cells, double chromosomes
two new cells, half set of chromosomes
17
Which of the following is a main component of enzymes and gives cells structure?
lipid
carbohydrate
protein
nucleic acid
18
Which of the following is composed of autotrophic cells?
grass
insect
mushroom
frog
19
What technology first allowed scientists to view cells?
Scannin Electron Microscope
Their eyes
Microscope
Telescope
20
Which cells cannot create their own energy and depend on producers?
metatrophic
trophic
autotrophic
heterotrophic
21
A protist named Euglena contains chloroplasts and swims freely in water, type of cell?
neither
autotrophic
heterotrophic
both
