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BMS100 > Week 1 Cells And Tissues > Flashcards

Week 1 Cells And Tissues Flashcards

0
Q

Explain the cell theory

A

All organisms are composed of cells Cells are the smallest living things Cells only arise from pre-existing cells

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1
Q

What is a cell?

A

A single unit or compartment in closed by a border usually part of the structure

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2
Q

What is cytology?

A

The study of cells

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3
Q

Describe characteristics of a prokaryote

A

Single celled Bacteria more complicated

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4
Q

Describe the characteristics of a Eukaryotes

A

Multi cellular organisms more complicated plant and animal cell much larger

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5
Q

Describe a Eukaryotic Cells nucleus

A

Genetic information Controls shape and activity (protein synthesis) Exports genetic info. RNA

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6
Q

Describe a Eukaryotic Cells cytoplasm

A

Surrounds the nucleus and carries out main function using specific organelles

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7
Q

Describe a Eukaryotic Cells plasma membrane

A

Limits the outside of the cell and interacts with the environment through secretion and absorption

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8
Q

Characteristics of double layered lipids

A

May float freely or be anchored Can have attached a molecule that play a role in surface activity

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9
Q

Explain how the nature of membrane affect how molecules move into cell

A

Lipid solubility molecules move easily Lipid insoluble molecules need help by active transport via the proteins

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10
Q

How do cells communicate with other cells

A

Via protein molecules

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11
Q

How do receptors communicate

A

With the cell to influence function or movement

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12
Q

What is the function of the nucleus

A

Stores the genetic material of the cell in form of multiple linear chromosomes

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13
Q

The nucleus is surrounded by

A

The nuclear envelope composed of two phospholipid bilayers

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14
Q

In chromosomes do you know is organised with proteins to form what

A

Chromatin

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15
Q

What is the nucleus

A

Dense body sight of RNA manufacture

16
Q

What are the characteristics of endoplasmic reticulum

A

Rough covered in ribosomes the proteins synthesis channels move proteins to the targets smooth site of lipid and steroid hormone metabolism

17
Q

What are the characteristics of a Golgi apparatus?

A

Stack of membrane snaps near necleus packages modifies proteins for delivery

18
Q

What are the characteristics of a mitochondrial

A

Rod like double layered wall structures have their own dna and can divide independently return independent functions play a role in ageing

19
Q

Explain the parts of a cytoskeletal

A

Microtubules microfilament’s intermediate filament

20
Q

What are the characteristics of the microtubule

A

Cylindrical structures assembled from tubulin protein units Support and shape the soul move things around from centriole

21
Q

What are the characteristics of the microfilament

A

Find filaments of them involved intracellular support and movement major feature of muscle

22
Q

What are the characteristics of an intermediate filament

A

Stable cytoskeletal elements giving mechanical support to the cell

23
Q

Explain the characteristics of tissues

A

During embryonic development of three layered are on the disc is formed Ectoderm- Nervous system as well as skin Endoderm- epithelial linings of the hugest ice, respiratory and urge oral systems. Mesomodern- Forms all other tissues

24
Q

For things that make up the human body tissues are

A

Epithelia Muscle tissue Connective tissue nervous tissue

25
Q

Explain the epithelia

A

Phone the surface it into faces of the body source of glands for secretary to reduce source of most cancers

26
Q

Explain muscle tissues

A

Movement by contraction

27
Q

Splane connective tissues

A

Support and communication of material

28
Q

Explain nervous tissue

A

Specialised to carry electrical signals waves of membrane the polarisation Also supportive cells

BMS100 (8 decks)

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