Lab 2

Question 1

What is the formula for total magnification?

Answer 1

Eyepiece magnification x objective magnification (4x,10x, or 40x)

Question 2

Amount of detail that can be seen

Answer 2

Resolution

Question 3

Distance across field of vision, measured in microns

Answer 3

Width of field

Question 4

Depth/layer in view

Answer 4

Depth of field

Question 5

What happens to resolution, width of field and depth of field as magnification increases?

Answer 5

increase, decrease, stays the same

Question 6

All objectives will be in focus when 1 objective is in focus

Answer 6

Parfocal

Question 7

internal material between the cell membrane and nucleus of a cell, mainly consisting of a water-based fluid called cytosol, within which are all the other organelles and cellular solute and suspended materials

Answer 7

Cytoplasm

Question 8

small appendage on certain cells formed by microtubules and modified for movement of materials across the cellular surface

Answer 8

Cilia

Question 9

appendage on certain cells formed by microtubules and modified for movement

Answer 9

Flagella

Question 10

cellular organelle formed by a series of flattened, membrane-bound sacs that functions in protein modification, tagging, packaging, and transport

Answer 10

Golgi body

Question 11

small, self-replicating organelle that provides the origin for microtubule growth and moves DNA during cell division

Answer 11

centriole

Question 12

one of the cellular organelles bound by a double lipid bilayer that function primarily in the production of cellular energy (ATP)

Answer 12

Mitochondria

Question 13

membrane-bound cellular organelle originating from the Golgi apparatus and containing digestive enzymes

Answer 13

Lysosome

Question 14

membrane-bound organelle that contains enzymes primarily responsible for detoxifying harmful substances

Answer 14

Peroxisome

Question 15

cellular organelle that functions in protein synthesis

Answer 15

Ribosome

Question 16

cell’s central organelle; contains the cell’s DNA

Answer 16

Nucleus

Question 17

allows for mitosis and meiosis, prevents chromosome breakage and controls gene expression and DNA replication

Answer 17

Chromatin

Question 18

Carries genetic information in the form of genes

Answer 18

Chromosome

Question 19

forms the external boundary of the cytoplasm of a cell

Answer 19

Cell membrane

Question 20

a small dense spherical structure in the nucleus of a cell during interphase.

Answer 20

Nucleolus

Question 21

Projections from cells that help increase surface area and absorption

Answer 21

Microvilli

Question 22

any of a number of organized or specialized structures within a living cell.

Answer 22

Organelle

Question 23

synthesis and modification of proteins destined for the cell membrane or for export from the cell

Answer 23

Rough ER

Question 24

Lipid synthesis, control levels of calcium

Answer 24

Smooth Er

Question 25

the thinnest of the cytoskeletal filaments; composed of actin subunits that function in muscle contraction and cellular structural support

Answer 25

Microfilament

Question 26

the thickest of the cytoskeletal filaments, composed of tubulin subunits that function in cellular movement and structural support

Answer 26

Microtubule

Question 27

What happens during prophase?

Answer 27

Chromatin become chromosome; nuclear membrane disappear

Question 28

What happens during metaphase?

Answer 28

Chromosomes line up at metaphase plate

Question 29

What happens during anaphase?

Answer 29

Sister chromatids separate

Question 30

What happens during telekinesis?

Answer 30

Division is almost complete, nuclear membrane reappears, chromosomes become chromatin

Question 31

What happens during cytokinesis?

Answer 31

Cell becomes 2 new cells