Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biology 12 > Cells > Flashcards

Cells Flashcards

(58 cards)

Start Studying
1
Q

Which of the following is NOT one of the main components of the cell theory?

cells must contain DNA

all living things are made of cells

new cells can only come from pre-existing cells

cells are the basic unit of life

A

Cells must contain DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The word cyto means:

A

Cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Tiny structures that carry out cell functions are collectively called

A

Organelles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which technology was essential for the development of the cell theory?

A

Microscopes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which of the following is a living organism based on the cell theory?

A

Bacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Eukaryotic cells:

are thought to have evolved when a larger cell engulfed a smaller cell

are the most ancient type of cell

are the smallest type of cell

do not have a nucleus

A

are thought to have evolved when a larger cell engulfed a smaller cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The mitochondria has a _____ membrane

A

Double membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Watery fluid found inside of a cell

A

Cytoplasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

An organelle used for the storage of various substances within the cell

A

Vacuole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

There substances are scattered in a mosaic throughout the cell membrane

A

Proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The cell walls of plants are made from this polysaccharide

A

Cellulose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The number of ribosomal subunits

A

Two

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The middle part of the cell membrane is called “_______”

A

Hydrophobic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Organelle which stores and packages proteins within the cell

A

Golgi apparatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Short hair-like structures which aid in cell locomotion

A

Cilia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Proteins that associate with DNA to form the chromosomes

A

Histone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

A dark region within the nucleus which produces rRNA

A

Nucleolus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The movement of molecules from areas of high concentration to areas of low concentration

A

Diffusion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Specialized vacuoles which contain digestive enzymes used to break down unwanted materials within the cell

A

Lysosome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Nuclear _____ are openings in the nuclear membrane where substances made in the nucleus can escape

A

Nuclear pores

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

This substance is made during photosynthesis and consumed during cellular respiration

A

Glucose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

The idea that all living organisms are composed of cells and that only cells can produce new cells

A

Cell theory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Cellular __________ occurs in the mitochondria

A

Cellular respiration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

This substance is a Nucleic acid which is a structural component of ribosomes

25
A whip-like projection from the cell used for locomotion
Flagellum
26
Cells which have membrane-bound nucleus
Eukaryotic cells
27
Cells which do not have a true nucleus - usually smaller in size
Prokaryotic
28
Protein synthesis found in animal cells which aid in the process of cell division and creation of basal bodies
Centrioles
29
The structure which controls the amount of light entering the microscope
Diaphragm
30
The structures found at the base of cilia or flagella
Basal bodies
31
A general term for describing pigment containing organelles found only in plant cells
Plastids
32
_______ ER is where lipid production occurs
Smooth ER
33
Structure surrounding the cell membrane in plant cells
Cell wall
34
Mitochondria and chloroplasts are related because they are both involved in the capture / release of
Energy
35
Organelle which conducts photosynthesis
Chloroplast
36
These substances are made by the smooth ER
Lipids
37
Structure found in the nucleus made up of DNA
Chromoes
38
Organelles which provide energy to the cell
Mitochondria
39
A structure found inside of a cell which carries out a specific function
Organelle
40
The name given to the more robust ribosomal subunit
Large
41
Ribosomes are composed of two subunits which are called the ____ and _______ ribosomal subunits respectively
Large and small
42
The name given to the more diminutive ribosomal subunit
Small
43
These chemicals are a major component of the cell membrane
Phospholipids
44
The name given to the model which is used to describe the composition of the cell membrane and
Fluid mosaic
45
Process that takes place in the mitochondria where sugar and oxygen are combined to produce carbon dioxide, water and energy
Cellular respiration
46
Structure which surrounds the cell contents and monitors the passage of materials in and out of the cell
Cell membrane
47
A matrix of microtubules and actin filaments which provides internal stability to the cell
Cytoskeleton
48
Folded layers of membrane which act as transport corridors through the cytoplasm of the cell
Endoplasmicreticulum
49
The outer and inner surfaces of the cell membrane are called _________ because they associate well with water
Hydrophilic
50
Folds of the mitochondrial inner membrane where the cellular respiration reactions occur
Cristae
51
A small vacuole - often secreted by the golgi apparatus
Vesicle
52
The central area of a mitochondrion
Matrix
53
These structures are a component of the cytoskeleton and aid with internal movement of the structures within the cell
Actin filament
54
_____ ER is where protein synthesis occurs
Rough ER
55
Organelle responsible for protein synthesis
Ribosome
56
Part of the cell responsible for controlling cellular functions
Nucleus
57
Lysosomes contains digestive _______ to help break down materials in the cell
Digestive enzymes
58
This substance makes up chromosomes and codes for proteins
DNA

Biology 12 (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions