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Applied science > Biology unit 1 > Flashcards

Biology unit 1 Flashcards

1
Q

what is eukaryotic cell

A

multicellular organism contains nucleus and complex cell

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2
Q

what is prokaryotic cell

A

do not have nucleus and simple cells

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3
Q

formula for magnification

A

magnification = image/actual

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4
Q

what is gram staining

A

To identify bacteria as being gram positive or gram negative

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5
Q

Function of the golgi apparatus

A

modifies and packages proteins

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6
Q

Function of plasmodesmata

A

Transports and communication between plant cells

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7
Q

Job of Ribosome

A

To make proteins

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8
Q

Organelles found in plant cells and not animal

A

cell wall
chloroplast
vacuole

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9
Q

Explain how the ultrastructure of a bacterium capsule prevents dehydration.

A

The capsule stops the water from leaving

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10
Q

Function of the midpiece of a human sperm cell

A

many mitochondria to create energy to move

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11
Q

Function of root hair in plant cells

A

increase surface area to absorb water and minerals

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12
Q

What is a gamete

A

sex cell

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13
Q

What are cilia

A

hairs on columnar epithelial tissue

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14
Q

How can arteriosclerosis develop

A

Fatty deposits build up in arteries damaging the Endothelium tissue.White blood cells repair damage leaving layer of plaque blocking the blood flow

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15
Q

Function of chloroplast in plant cells

A

Where photosynthesis takes place.

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16
Q

how are red blood cells adapted to their function

A

biconcave to increase surface area

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17
Q

Function of neutrophil cell

A

immune response

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18
Q

How do neutrophil cells defend body

A

fight and kill pathogens

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19
Q

Function of squamous epithelial tissue

A

Found in alveoli,short diffusion pathway to move gases

20
Q

what damage can smoking cause

A

damage squamous epithelial tissues

21
Q

Function of columnar Epithelial tissue

A

Found in the trachea,cells in a column contains cilia on to protect from infection and goblet cell secretes mucus.

22
Q

Function of Endothelium tissue

A

layer of flattened cells lining heart and blood vessels,provide short diffusion pathway

23
Q

Function of the nucleus

A

Contains all the important information to control the cell.

24
Q

Function of Nuclear Envelope

A

Acts as a membrane surrounding the nucleus

25
Q

Function of Nuclear Pores

A

Small holes in the envelope to let substances in and out of the nucleus.

26
Q

Function of Chromosomes

A

They are inside the nucleus and contain all the genticall information

27
Q

Function of the Nucleolus

A

It is like a mini nucleus inside the nucleus.

28
Q

Function of the Mitochondria

A

carries out aerobic respiration.

29
Q

What is a Double Membrane

A

Inner membrane and outer membrane.

30
Q

what is the Cristae

A

inner membrane of mitochondria which is folded into cristae

31
Q

what is the Matrix

A

The fluid inside the mitochondria ,contains DNA and ribosomes

32
Q

function of the Rough Endoplasmic Reticulum

A

Transports ribosomes and proteins

33
Q

Function of Smooth Endoplasmic Reticulum

A

Transports lipids and carbohydrates

34
Q

Function of Lysosomes

A

Cleans the cell with strong enzymes to break it down .

35
Q

Function of the Centrioles

A

Produce spindle fibers which is protein chain to help carry out cell division.

36
Q

job of cytoplasm

A

Where reactions takes place

37
Q

what is magnification

A

How much an image is enlarged under a microscope

38
Q

What is resolution

A

The minimum distance between two objects at which a microscope can distinguish them as separate

39
Q

function of cell wall in plants

A

Makes up the structure of the cell

40
Q

Function of vacuole in plants

A

Contains cell sap

41
Q

Function of the chloroplast

A

Where photosynthesis takes place.

42
Q

What is a cell

A

The smallest thing making organisms

43
Q

What is Tissue

A

A group of cells that work together

44
Q

What is an organ

A

A group of tissues

45
Q

What is an organ system

A

A group of organs

Applied science (4 decks)

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