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Grade 8 Biology Unit review Flashcards | StudBud
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Grade 8 Biology Unit review
Grade 8 Biology Unit review
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1
Bacteria and animal cells sometimes use this to move around.
Cytoskeleton
Flagella
Nucleus
Cell Wall
2
Clear substance that holds all the contents outside of the nucleus of a cell
cytoplasm
mitochondria
cell wall
nucleus
3
Which organelle is responsible for creating proteins?
Ribosome
Mitochondria
Vacuole
Lysosome
4
This is an image of a plant cell
True
False
5
How confident do you feel in your knowledge of the Cell biology unit?
I am confident in my knowledge and ready for the test.
Not confident, yet. I need to study more and ask for help.
Somewhat confident, but I need study to learn more.
I am so confident that I could teach my peers about it.
6
With few variations, life's genetic code is almost identical in every organism on Earth.
true
false
7
Organelle that separates the interior of all cells from the outside environment
cell membrane
mitochondria
nucleus
vacuole
8
The endoplasmic reticulum can sometimes have these attached to its walls.
Lysosome
Vacuole
Ribosome
Protiens
9
How would you categorize these cells?
Prokaryote
None
Eukaryote
10
Which organelle is responsible for releasing energy?
Nucleus
Mitochondria
Chloroplast
Vacuole
11
When you have an infection, your body temperature raises. This is an example of ...
homeostasis
development
metabolism
cell specialization
12
What is the gel-like fluid inside a cell?
Cilia
Cytoskeleton
Cytoplasm
Chloroplasts
13
The outer boundary of a cell is called the ___.
Nucleus
Flagella
Golgi Body
Cell Membrane
14
What process uses chemical reactions in an organism to build up or break down materials?
homeostasis
reproduction
evolution
metabolism
15
What is in a vaccine?
Weak pathogen
Live pathogen
Dead or inactive pathogen
16
What is the smallest unit of life, considered to be fully alive?
atom
cell
organ
DNA
17
In what molecule is an organism's genetic code written?
nucleotide
DNA
RNA
cells
18
All of these statements are part of cell theory, EXCEPT
Cells are really small
All living things are composed of cells
New cells come from existing cells
Cells are the basic unit of structure and function
19
Name two organelles that are only found in plant cells
cell wall and nucleus
cell membrane and ribosome
chloroplast and mitochondria
cell wall and chloroplast
20
All living things need to obtain and use material and energy. This is called ...
responding to stimuli
metabolism
homeostasis
development
21
Animal cells do not have which of the following?
Cytoskeleton
Cytoplasm
Cilia
Chlorophyll
22
Pupils shrink when sudden bright light is beamed into the eye. The light is an example of a ...
response
stimulus
23
Cells from 2 parents unite to form the first cell of a genetically different organism during...
sexual reproduction
evolution
DNA
asexual reproduction
24
This organelle absorb sunlight and uses it to produce food for plant cells
Nucleus
Cell wall
Chloroplast
Vacuole
25
A process by which a cell excretes particles or waste.
Osmosis
Diffusion
Endocytosis
Exocytosis
26
This organelle provides the energy for the cell
ribosome
mitochondria
nucleus
cell wall
27
All living things are made of ___.
Organs
Cells
Organelles
Tissues
28
This organelle converts energy into forms that are usable by the cell.
nucleus
cell wall
mitochondria
vacuole
29
Which of these is NOT an organelle
alveoli
vacuole
endoplasmic reticulum
mitochondria
30
Who is credited with the name "cells?"
Hooke
Leeuwenhoek
Schleiden
Schwann
31
What type of cell is this?
Plant
Prokaryote
Bacteria
Animal
32
Which cell part conducts cellular respiration?
Chloroplast
Nucleus
Cell Wall
Mitochondria
33
What process occurs when a single organism produces offspring identical to itself?
metabolism
sexual reproduction
homeostasis
asexual reproduction
34
This is a picture of a(n)
animal cell
plant cell
35
The process of keeping internal conditions stable when external conditions change is called ...
evolution
stimulus
homeostasis
metabolism
36
Which scientist was the first to discover living cells?
Virchow
Hooke
Leeuwenhoek
Schwann
37
Which organelle serves as another packaging system for the cell?
Golgi Body
Endoplasmic Reticulum
Mitochondria
Choroplast
38
Which of these organelles contain genetic material?
Lysosome
Nucleus
Ribosomes
Endoplasmic Reticulum
39
An individual organism can evolve over one lifetime.
false
true
40
Storage bubbles found in cells. Plant cells have one big one.
cell wall
cell membrane
mitochondria
vacuole
41
This organelle encloses and supports the cells in plants
cell membrane
nucleus
mitochondria
cell wall
42
What type of cell is this?
Animal
Plant
Bacteria
Prokaryote
43
Which of the following is the control center of the cell?
Nucleus
Mitochondria
Ribosome
Lysosome
44
Which of these provides extra support for plant cells?
Cell Wall
Cell Membrane
Flagella
Ribosomes
45
This is an image of a(n)
Animal cell
Plant cell
46
What is a pandemic?
Localized outbreak of a disease.
World wide outbreak of a disease.
Disease that is carried by mosquitoes.
Disease that is easy to cure.
47
This organelle contains DNA and controls cellular growth and reproduction
mitochondria
cell wall
cytoplasm
nucleus
48
What can contribute to antibiotic resistance?
Bacteria just are resistant to antibiotics
Eating meat that from animals not treated with antibiotics
Taking the entire course of antibiotics
Overprescribing of antibiotics
49
All organelles are contained by the
celluloid skin
cell membrane
nuclear envelope
50
Which of the following organelles is sometimes known as the delivery system of the cell?
Vacuole
Golgi Body
Golgi Apparatus
Ribosome
51
This is an image of a plant cell
True
False
52
What type of cell is this?
Bacteria
Plant
Eukaryote
Animal
53
For an organism to be considered a living thing, it must have ALL the characteristics of life.
false
true
54
This organelle functions to package and deliver proteins:
golgi bodies
chloroplast
nucleus
mitochondrion
55
How would you categorize this cell?
Eukaryote
Prokaryote
None
56
Which part of the cell conducts photosynthesis?
Cytoplasm
Chloroplast
Endoplasmic Reticulum
Mitochondria
57
Which of the following is an example of development?
a fish becomes larger
a tree trunk widens
a tadpole becomes a frog
58
You touch a hot stove and quickly pull your hand away. What is the stimulus?
speed of reaction
pulling away
touching the stove
59
All bacteria are harmful to humans
True
False