Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology 100 > Lab Midterm > Flashcards

Lab Midterm Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
0
Q

Name parts of the compound microscope.

A 
Ocular lense
Arm/base
Stage
Fine & course knob
Objective lenses
Condenser
Light source
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Metric system:

Label the following

|__|__|__|__|__|__|______|______|

And what 3 units are measured?

A

KHDUDCM (Micro) (nano)

Meter
Liter
Gram

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Name the total magnification specifics for the compound microscope. (4)

A

Ocular 10x

Objective:
Scanning-4x   (40x total)
Low-10x         (100x toatl)
High-40x        (400x total)
Oil immer-100x (1000x total)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the meniscus?

A

Cylinder holding liquid solution. Curve in liquid at top, read from eye level at the meniscus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Acids are high in ______, whereas bases are high in ________ molecules.

A

H+

OH-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What solution is used to test for protein? What is the pos color outcome?

A

Biuret reagent

Pinkish-purple

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What solution is used to test starch? Pos color reaction?

A

Iodine

Blue-black

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What solution is used to test for sugars? Pos outcome color?

A

Benedict’s
Green-yel-orange

(Blue-no change)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q 
What are the functions of the following organelles:
Plasma membrane
Nucleus
Nucleolus
Ribosome
Rough ER
Smooth ER
Golgi app
Vesicles
Lysosomes
Mitochondrion
Centrioles
Cytoskeleton
A 
PM-phospholipid bilayer outer
nuc-DNA/genetic info 
Nucleolus-subunits if ribosomes 
Ribo-protein synthesis
RER-protein syn secretion
SER-syn lipids detoxes
Golgi-packages proteins/lipids
Ves-transports substances
Lyso-digests molecules 
Mito-cellular respiration ATP, energy powerhouse 
Centri-cell division organizes microtubles
Cytoskeleton-structure support
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are 3 structures that differ plant cells from animal cells?

A 
Chloroplasts (photosynthesis)
Large vacuoles (digestive center)
Cell wall (cell support)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is an enzymes function?

A

Catalysts that speed up metabolic reactions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the common enzyme used in lab?

A

Catalase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the substrate?

A

Reactants in an enzyme

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What part of the enzyme does the substrate bind to? What will it become when released?

A

The active site

Products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What factors can affect enzyme activity (optimal temp)?

A

Ph
Heat
Salt concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Is water always able to diffuse through a cells selective permeable membrane?

A

Yes

16
Q

Are salutes always able to diffuse through a cells selective permeable membrane?

A

No

17
Q

What is diffusion?

A

Movement of molecules from a higher concentration to a lower concentration until equilibrium.

18
Q

What is osmosis?

A

The diffusion of water across the plasma membrane of a cell.

19
Q

What is an isotonic solution?

A

Same concentration of solute as cell

20
Q

What is a hypertonic solution?

A

Higher solute concentration than the cell, therefore water moves out of cell causing shrinking

21
Q

What is hypotonic solution?

A

Lower solute concentration than cell, causing water to pump into cell making it swell.

22
Q

Is energy used with passive or active transport?

A

Active

23
Q

What are 3 passive transports?

A

Simple diffusion
Osmosis
Facilitated diffusion

24
Q

What is active transport?

A

Net movement against con gradient, requires protein, and energy

25
Q

What is transport using vesicles?

And 2 types?

A

Vesicles carries materials into or out of cell.
Endocytosis
Exocytosis

26
Q

Explain endo/exo cytosis.

A

Endo-membrane engulfs substance and draws into cell

Exo-vesicles fuse with membrane releasing subs outside of cell

27
Q

What is facilitated diffusion?

A

Substance moves across membrane with assistance of transport proteins

28
Q

What is simple diffusion?

A

Sub moves across membrane without assistance of proteins

Biology 100 (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions