The Cell Flashcards

(33 cards)

1
Q

The plasma membrane is a ___________, sturdy barrier surrounding the cell contents, separating it from the external environment.

A

FLEXIBLE

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2
Q

What is it that plasma membranes contain which identify the cell, strengthen the membrane, and move substances in and out of the cell?

A

MEMBRANE PROTEINS

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3
Q

What is the term, regarding the plasma membrane, which is defined as - it allows some substances to pass through, and not others?

A

SELECTIVELY PERMEABLE

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4
Q

The plasma membrane is involved in _____________ between cells, and between cells and their environment.

A

COMMUNICATION

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5
Q

The regulated fluid inside the cell is called?

A

INTRACELLULAR FLUID
aka
CYTOSOL

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6
Q

What is the fluid outside the cell called?

A

EXTRACELLULAR FLUID

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7
Q

Interstitial fluid (between cells), plasma (in blood vessels), and fluid surrounding the brain and spinal cord are all examples of which type of fluid?

A

EXTRACELLULAR FLUID

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8
Q

Membrane proteins are attached inside or outside one side of the membrane or _________ _________ the membrane.

A

EMBEDDED WITHIN

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9
Q

Embedded membrane proteins have selective __________ that approve/move molecules from one side of the membrane to the other.

A

CHANNELS

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10
Q

Membrane proteins identify the cell, strengthen and support cell membranes and _________ with adjacent cell membranes.

A

CONNECT

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11
Q

What is the name of the finger like projections of the plasma membrane, which function to increase surface area?

A

MICROVILLI

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12
Q

The entirety of the contents of the cell (intracellular fluid/cytosol and organelles) is refferred to as what?

A

CYTOPLASM

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13
Q

What are the 2 functions of the cytoplasm?

A

CELL METABOLISM
+
STORAGE

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14
Q

Name the structure not considered part of the cytoplasm?

A

NUCLEUS

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15
Q

Where does the formation of ATP (glycolosis) occur?

A

CYTOPLASM

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16
Q

What is the network of protein filaments within the cytosol called?

17
Q

Name the 4 functions of the cytoskeleton?

A
  1. PROVIDES A STRUCTURAL FRAMEWORK
  2. SCAFFOLD FOR ORGANIZATION/PLACEMENT AND MOVEMENT OF CELL CONTENTS
  3. FORCE TRANSMISSION
  4. AIDS IN CELL MOVEMENT
18
Q

Name the 9 organelles.

HINT: N, R, ER, SER, GC, L, M, C, F

A
NUCLEUS
RIBOSOMES
ENDOPLASMIC RETICULUM
SMOOTH ENDOPLASMIC RETICULUM
GOLGI COMPLEX
LYSOSOME
MITOCHONDRIA
CILIA
FLAGELLA
19
Q

Name the rounded or elongated structure usually located near the centre of the cell?

A

NUCLEUS

pleural - NUCLEI

20
Q

The nucleus, the control centre of the cell, is responsible for which functions of the cell?

A
METABOLISM
\+
GROWTH
\+
REPRODUCTION
21
Q

Which organelle is present in all human cells except for red blood cells?

A

NUCLEUS

without nucleus, cells have short lives

22
Q

Which type of cell continually reproduces, without a nucleus?

A

RED BLOOD CELLS

23
Q

Which two organelle’s functions is protein synthesis?

A

RIBOSOMES
+
ENDOPLASMIC RETICULUM

24
Q

Which organelle processes, sorts, packages, and delivers molecules to the plasma membrane or around the cell?

A

GOLGI COMPLEX
aka
APPARATUS, BODY

25
Which organelle breaks down substances that the cell has taken in, or normal parts of the cell which are damaged?
LYSOSOME
26
Which organelle transforms organic compounds into energy (ATP) that is easily accessible to the cell?
MITOCHONDRIA singular - MITOCHONDRIUM
27
What does the amount of mitochondria in a cell depend on?
CELLS PURPOSE
28
Why do muscle cells have lots of mitochondria
VERY ACTIVE CELLS | need ATP
29
Short, hair-like projections extending from the surface of the cell are known as?
CILIA singular - CILIUM
30
Movement of the cilia causes steady movement of fluid/particles along the ______ ________.
CELL SURFACE
31
TRUE or FALSE | Cilia are thinner, longer, and pointier than microvilli.
TRUE
32
Which organelle is a tail similar to cilium but longer, which function to move the cell?
FLAGELLA (example sperm) singular - FLAGELLUM
33
Energy substrates are anything the body uses to form _____.
Adenosine Triphosphate | ATP