incorrect things to go over Flashcards

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1
Q

give 2 functions of the plasma membranes

A

regulates the movements of substances

receptors allow it to respond to chemicals

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2
Q

what organelle has a matrix and what does it contain

A

mitochondria

contains enzymes used in aerobic respiration

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3
Q

give 2 functions of the golgi apparatus

A

process and package lipids and proteins

makes lysosomes

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4
Q

give 2 similarities between the cilia and the flagella

A

both are structures that stick out of the surface of some cells

both have an outer membrane

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5
Q

give 2 differences between the cilia and flagella

A

flagella is longer than cilia

cilia are used to move substances along the cell surface, flagella are used to propell forward

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6
Q

what are the 3 parts to a chloroplast

A

stroma
granum
lamella

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7
Q

what protein makes up the flagella

A

flagellin

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8
Q

which microscope generates a 3D shape

A

SEM

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9
Q

what is a limitation to a 3D shape in a microscope

A

lower resolution than a TEM

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10
Q

give the 3 factors of how to investigate the cell membrane permeability

A

solvent concentration
temperature
pH

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11
Q

what is the process of investigating cell membrane permeability

A

collect beatroot samples
add ethanol at 5 concentrations
comparison
caliborate the colorimeter at an absorbance of 520nm
measure absorbance

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12
Q

what is the normal thickness of phospholipid bilayers

A

5-10nm

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13
Q

where does facilitated diffusion occur

A

channel proteins

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14
Q

what is facilitated diffusion

A

when molecules diffuse through via a channel or carrier protein

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15
Q

what do channel proteins transport

A

transport polar molecules, charged and water soluble

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16
Q

what do carrier proteins transport

A

anything with the use of ATP

17
Q

what is endocytosis

A

when a cell engulfs a substance into its surroundings, which is resulted by the cell membrane folding on itself

18
Q

you couldn’t receive a pension if you had been in prison for the last 10 years, claimed poor relief in the last year or not worked regulary

A

Cut the potato pieces

Place chips in boiling tubes with different sucrose concentrations

Dry the chips and weigh again

Plot a graph and identify the isotonic point

19
Q

what is the isotonic point

A

when no water is entering or leaving the plant

20
Q

What ion is co-transported into the ileum with glucose/ amino acids?

A

sodium ions

21
Q

what protein does active transport only require

A

carrier

22
Q

is facilitated diffusion passive or active

A

passive

23
Q

is active transport passive or active

A

active

24
Q
A