Brainscape's Knowledge GenomeTM

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


See full index

Biology 10 > unit one > Flashcards

unit one Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

eyepiece or ocular

A

magnifies the image from the objective lens and conveys it to your eyes

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

fine adjustment knob

A

makes subtle adjustments to produce clear sharp images

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

coarse adjustment knob

A

moves the stage of the microscope up and down to bring the specimen into the focal point of the objective lens

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

revolving nose piece

A

rotating mount that holds many objective lenses, allows you to switch magnifications

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

objective lenses

A

gathers light from a specimen and forms an inverted image, three different ones for three different magnifications

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

stage

A

part where the specimen slide is placed for examination, can be moved up and down for examination of the specimen

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

stage clips

A

clip tht holds a microscope slide in place on the stage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

diaphragm

A

adjusts the diameter of an opening to control the amount of light passing through the specimen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

lamp or mirror

A

supplies the light required to view the specimen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

arm

A

curved portion of the microscope that holds all the optical parts at a fixed distance and keeps them alligned

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

base

A

bears the weight of all the parts of the microscope

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

centimeter

A

cm —> 1/100 meters, useful for visible objects

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

milimeter

A

mm—> 1/10 centimeters, useful for large particles or cells

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

micrometer

A

um—> 1/1000 millimeter. useful for majority of their cells and components

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

nanometer

A

nm—> 1/1000 micrometer, useful for large molecules and most cell parts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

angstrom

A

A—> 1/10 nanometer, useful for molecules and atoms

17
Q

field of view

A

everything the circle allows you to see

18
Q

FOV diameter

A

distance across the FOV

19
Q

formula for “estimated size of one specimen”

A

field diameter/# of specimen the circle allows you to see

20
Q

inversely proportional

A

something goes up 5X, it will go down 5x

21
Q

bright field microscopy

A

using light to magnify

22
Q

contrast

A

light + dark between two structures

23
Q

resolution

A

the ability to see the difference between two things based on how they absorb and reflect light

24
Q

resolution

A

the ability to distinguish between two structures that are very close together

25
Q

TEM

A

electron pass through surface, magnifies up to 1 500 000x, hard to make thin, 2D black and white, resolution 2.5nm

26
Q

SEM

A

electrons bounce, 3D image in color, magnifies up to 300 000x, resolution of 20nm

27
Q

spontaneous generation

A

idea that life could emerge spontaneously from non living matter

28
Q

Janssen Brothers

A

1595, discovered the first microscope, it had two lenses

29
Q

Robert Hooke

A

1665, microscope with three lens system, came up with the name “cells”

30
Q

Antoni van Leeuwenhoek

A

1665, first to see bacteria and small living things move

31
Q

Francesco Redi

A

1668, maggots are from flies not spontaneous generation, using closed jar with meat

32
Q

John Needham

A

1745, bad experiment broth was not boiled enough, proved spontaneous generation

33
Q

Spallanzani

A

1773, boiling does kill micro-organisms

34
Q

M.J. Schiedam/Schwann

A

1834, plants and animals are made of cells

35
Q

Robert Brown

A

1833, discovered the nucleus and recognized it was important

36
Q

Virchow

A

1859, all cells are produced by cells

37
Q

Louis Pasteur

A

1864, micro-organisms in the air produced life, swan neck experiment

38
Q

cell theory

A

living things are made of cells
cells are the basic unit of structure and function of living things
cells come from other cells

39
Q

stain

A

color agents that improve the contrast between internal structures and producing better images

Biology 10 (1 decks)

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