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A&P Lab Exam I > Cell Anatomy Lab > Flashcards

Cell Anatomy Lab Flashcards

1
Q

What is the basic unit of life?

A

The cell

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2
Q

How many cells are estimated to be in the human body?

A

Nearly 75 trillion

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3
Q

What organelle is responsible for ribosome production within the nucleus?

A

Nucleolus

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4
Q

What is the role of the cell membrane?

A

Defines the boundary of the cell and regulates material exchange

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5
Q

What is the structure of the cell membrane commonly referred to?

A

Lipid bilayer or plasma membrane

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6
Q

What does the term ‘cytosol’ refer to?

A

The intracellular fluid within the cell

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7
Q

What are the two types of Endoplasmic Reticulum?

A
  • Rough Endoplasmic Reticulum
  • Smooth Endoplasmic Reticulum
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8
Q

What is the function of lysosomes?

A

Vesicles containing powerful enzymes for digestion

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9
Q

What are the phases of mitosis?

A
  • Interphase
  • Prophase
  • Metaphase
  • Anaphase
  • Telophase
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10
Q

What is the function of mitochondria?

A

Major site of ATP formation (‘power plant’)

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11
Q

Fill in the blank: If a cell contains less solute materials than the surrounding extracellular fluid, then the ECF is ______ compared to the cytosol of the cell.

A

hypotonic

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12
Q

Fill in the blank: Osmosis will occur and water will move _____ the extracellular fluid.

A

from

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13
Q

True or False: Diffusion cannot occur across animal cell membranes.

A

False

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14
Q

Match the structure: Smooth ER

A

A. sorts and ships cellular components

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15
Q

Match the structure: Centrioles

A

M. involved in mitosis

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16
Q

Match the structure: Ribosome

A

I. site for protein synthesis

17
Q

What are spindle fibers?

A

Structures that help separate chromosomes during mitosis

18
Q

What structure houses DNA within the cell?

A

Nucleus

19
Q

Fill in the blank: The ______ is composed of a phospholipid bilayer.

A

cell membrane

20
Q

What is the role of secretory vesicles?

A

Transport materials out of the cell

21
Q

What is chromatin?

A

Complex of DNA and proteins found in the nucleus

22
Q

What is the function of the nuclear envelope?

A

Separates the nucleus from the cytoplasm

23
Q

What are peroxisomes responsible for?

A

Breaking down fatty acids and detoxifying harmful substances

24
Q

What are centrioles?

A

Cylindrical structures involved in cell division

25
Q

What is the function of ribosomes?

A

Site for protein synthesis

A&P Lab Exam I (3 decks)

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