BIOL 1021 Lab Final

What did the caffeine do to the heart rate of the Daphnia

Increased the heart rate

What did ethanol do to the heart rate of the daphnia

decreased the heart rate

What is A

antennae

What is B

intestine

What is C

heart

What is D?

Ovary

What is E?

Blood chamber

What is F

compound eye

what is G

ocellus

What is H

maxillary gland

What is J?

Filtering setae

What is A

eyepieces

What is B

focusing knob

What is C

Illuminator switch

What is D

Base

What is E

Knurled Ring

What is F

Objective

What is G

Illuminator

What is H

stage

Mean

Average

Mode

number that appears the most

Median

Middle number in set of numbers

Range

highest number - lowest number

To test for reducing sugars we used

Benedict’s solution

To test for Polysaccharide (starch) we used

Iodine

To test for proteins we used

Biuret reagent

Placing samples on a brown paper bag was a test for

lipids

Lipid samples dissolve in

vegetable oil

When sugar comes in contact with Benedict’s reagent it turns the color

blue

When a polysaccharide (starch) comes in contact with Iodine it turns what color

Dark purple

When proteins come in contact with Biuret reagent it turns what color

violet

When lipids are on the paper bag

It will stay wet

When lipids undergo the solubility test

There will just be one layer

Formula for Fahrenheit to Celsius

F = 9/5 C + 32

Formula for magnification

magnification = linear magnification of the objective lens x linear magnification of the eyepiece

What is A

Pointer adjustment knob

What is B

body tube

What is C

Revolving Nosepiece

What is D

Objective

What is E

slide-holding clip

What is F

Stage

What is G

Stage adjustment knobs

What is H

Iris diaphragm lever

What is I?

Base illuminator

What is J

Base

What is K

Vertical eyepiece for instructors

What is L

Inclined eyepiece

What is M

Arm

What is N

Sliding-holding clip

What is O

Condenser adjustment

What is P

knob

What is Q

Coarse focusing knob

What is R

Fine focusing knob

What is S

Condenser Light switch

Formula for diameter of field on a compound scope

What cell is this?

Tetrahymena

What cell is this?

Amoeba

What cell is this?

Spirogyra

What cell is this?

Volvox

What cell is this?

Elodea

What cell is this?

squamous epithelia

What cell is this?

Nerve

What cell is this?

Striated, skeletal muscle

What cell is this?

Sperm

What cell is the black arrow pointing to?

red blood cell (aka erythrocytes)

What cell is the yellow arrow pointing to?

lymphocyte

What cell is the red arrow pointing to?

neutrophil

What cell is the black arrow pointing to?

Ovary egg cell

What are the black arrows pointing to?

cilia

As temperature increases rate of diffusion will

a) decrease

b) increase

c) stay the same

b) increase

The heavier the molecular weight the ___ the rate of diffusion

a) slower

b) molecular weight has no influence on rate of diffusion

c) faster

a) slower

Osmosis

net movement of water across a selectively permeable membrane

Diffusion

net movement of particles form an area of high initial concentration to an area with a low initial concentration

Tonic

when two solutions have the same relative concentration of dissolved substances

When a solution has a higher relative concentration of dissolved substances it is

hypertonic

When a solution has a relativly lower concentration os dissolved substances it is

Hypotonic

The dialysis bags with water inside that were placed in a beaker of NaCl had a ___ in mass because they were ____.

a) decrease, hypertonic

b) decrease, hypotonic

c) increase, hypertonic

d) increase, hypotonic

b) decrease, hypotonic

The dialysis bags with NaCl that were placed in a beaker of H2O had a ___ in mass because they were ____.

a) decrease, hypertonic

b) decrease, hypotonic

c) increase, hypertonic

d) increase, hypotonic

c) increase, hypertonic

When the Eloda cells were placed in NaCl they ___ because the NaCl was ___ to the cell

a) grew, hypertonic

b) grew, hypotonic

c) shrunk, hypertonic

d) shrunk, hypotonic

c) shrunk, hypertonic

Enzyme

substance that acts as a catalyst for biochemical reactions

In lab 6 what was the enzyme used

Catechol oxidase

In lab 6 what is the substrate of the reaction

catechol, para-hydroxybenzaldehyde, and hydroquinone

In lab 6 what is the product of the reaction

benzoquinone

Why did plants have different levels of CO2 in light vs. dark in the bromothymol blue experiment

The plant grown in light turned the solution yellow due to there being more CO2 present and the plant grown in the dark turned the solution dark green due to there being little CO2 present

Chromatography

separates molecules based on thier different rates of movement through a substance due to their different chemical properties

In this chromatography the carotene traveled the furthest and this means that it is the most _____ in the solution

soluble

What color is most useful for photosynthesis?

Reds and violets

What color is the worst for photosynthesis?

green

Where is starch stored in plants?

Where green pigment is

Plants grown in the dark have ___ starch storage than those grown in light

less

When extracting strawberry DNA what was the DNA extraction buffer

Soapy salt water

For extraction of strawberry DNA was caused the strawberry DNA to precipitate?

the ethanol

What does p represent in Hardy-Weinberg

Frequency of dominate allele

What does q represent in Hardy-Weinberg

frequency of recessive allele

What does p² represent in Hardy-Weinberg

Frequency of genotype AA

What does 2pq represent in Hardy-Weinberg

frequency of genotype Aa

What does q² represent in Hardy-Weinberg

frequency of genotype aa

Hardy-Weinberg equilibrium for two alleles

p + q = 1

Hardy-Weinberg equilibrium for genotypes

p² + 2pq + q² = 1

A population is in Hardy-Weinberg equilibrium if…

The allele and genotype frequencies remain the same from one generation to the next