WESTCOTT MICRO LAB FINAL

microscope labled

total microscope magnification

ocular x objective (10 x _ usu)

When viewing an image in a microscope, it looks ________________________ relative to the placement on the slide.

upside-down and backwards

To locate an image, it is best to use what power initially?

low

what image is shown here

sand

what image is shown here

pine needle

what image is shown here

silk fibers

what image is shown here

red sea star

what image is shown here

butterfly wing

what image is shown here

butterfly eggs

what image is shown here

yeast

what image is shown here

pollen, hair, skin

what image is shown here

honey

What is a key difference between eukaryotes and prokaryotes?

Eukaryotes have a nucleus

What is a key difference between eukaryotic cells genetic makeup and prokaryotic genetic makeup?

Prokaryotic cells have DNA that is organized into rings

'What do we know about Archaea?

the are about 3.5 billion years old

Where can Methanogens thrive?

mud, intestines, swamps

Where to Extremophiles thrive?

in temperatures above 113 degrees Celsius

One potential bacterial benefit of horizontal gene transfer could be:

Antibiotic resistance

Which of the following are characteristics of Gram-Positive Bacteria

thick membranes, huge diverse group, some are colonial

Cyanobacteria are the only Prokaryotes to:

use photosynthesis to make their own food

Protozoa have which of these characteristics (choose all that apply):

heterotrophs, can move using cilia or flagella

Engineers at what University developed this Robo-thread?

MIT

This device is controlled by:

magnetism

What is a downfall with conventional passive guidewire?

can damage vessel linings, it can cause friction

What are some of the benefits to this new technology (mark all that might apply)?

flexible, precise, little to no friction

What is the difference between these two images?

The image on the left is coated with hydrogel

What is being discussed in this second video?

3-D printing of living organisms

How are the 3-D portions of this object able to communicate with the cells living on the surface?

chemical signals

This allows for what to occur?

Control over gene expression

These colors represent:

a response to the chemical signals

What does HLM stand for?

Hybrid Living Materials

Approximately what percentage of a human is made of minerals?

4%

Approximately what percentage of a human is made of carbohydrates?

1%

What reactions destroy reactants, reducing big complex substances into molecular rubble?

catabolic

What reactions reassemble big complex substances from smaller molecular rubble?

anabolic

The word used to describe every metabolic reaction in your body.

metabolism

Nutrients are placed in how many major categories?

6

Which vitamin is crucial to forming blood clots?

K

Which minerals help harden bone and teeth?

Ca, Mg, P

Why are omega-3 and omega-6 fatty acids called, "essential"?

they can not be made by body, humans need to ingest them

What is the main source of energy for Cellular Respiration?

glucose

One molecule of glucose reacts with how many molecules of oxygen in cellular respiration?

6

What is the name of these molecules indicated by the arrow?

pyruvate

Excess glucose is stored as:

glycogen

What is the Basal Metabolic Rate of a person?

number of calories needed to do daily activities

What is the ideal glucose level of your blood?

70-100 mg/dL

Where is the extra energy of your body ultimately stored?

adipose tissue

HDL, seen here are delivering the cholesterol to various organs to then build what type of molecule?

steroid hormones

In Type II diabetes, there is insulin resistance often due to too much insulin in the system.

true

Which tube contains Amylase?

B

What is this water bath set to in this experiment?

37 C

What is first added to the A1 test tube?

DI water

How many drops of Amylase are added to test tube 6A?

3

Which test tube was the first to be added to boiling water?

4A

How many drops are being added to well 1A here?

1

Benedict's reagent serves as an indicator for Maltose when the solution:

turns red when heated

Which tube contains only Maltose?

3A

1A serves as a:

control

Lipase is (a)n _____________________ produced by the _______________ .

enzyme, pancreas

If there is an injury to any of these sites, there can often be an increase in amylase and lipase.

Pancreas

GI tract

Liver

Correct! All of these

To diagnose Pancreatitis, there will be a ________________ fold increase in lipase & amylase.

3-4

Amylase is not produced by the liver.

false

What is the name of this organism?

eye of a beetle

What is the name of this object?

Sternochetus

What is the name of this object?

breast tissue in lactation

What is the name of this organism?

mold

What is the name of this?

fruit fly ovary

What is the name of this organism?

tarantula fang

What is the name of this organism?

dandelion pollen

What is the name of this object?

bee hairs

What is the name of this organism?

red and green algae

What is the name of this organism

fern sorus

What is the name of the instrument on the right

inoculation loop

What is the name of this object being shown by the arrow?

valve

The coolest flame is:

yellow and orange

What is this particular process known as?

Sterilization

When this step is complete, you should immediately set down your inoculation tool.

no

What is being spread out over this petri dish?

bacteria culture

What is the step right before replacing the lid?

flame the mouth of the tube

How many times is this inoculation tool dipped into this test tube here

3

What step occurs here?

allow the loop to cool

Before transferring the bacteria from the petri dish into the test tube, it is important to place the inoculation tool under the flame one more time.

no

The tube on the right represents a _____ mL dilution tube.

9

What is the scientific notation being represented?

10,000

What is the final dilution in this example/

35 CFU/ml

How will these plates be labeled?

Dilution Concentrations

What is the purpose of this step?

to achieve a homogeneous suspension

What is the name of the instrument being shown by the arrow?

pipette

How much is being measured here from each test tube?

1 mL

What is the purpose of this step?

to distribute the inoculum evenly

or how long are theses plate placed in an incubator?

overnight

What is the ultimate reason for serial dilutions?

ability to count the bacterial colonies

What is this ingredient being shown here by the arrow?

agar

How many ml of water are placed in this mixture?

330

What is the next step?

Place this mixture into a microwave

Approximately how much time is needed for these to solidify?

1 hour

How long do these petri dishes need to stay in this closed box?

7 days

From which sample is this?

one cannot tell

_______________ can be used instead of agar to grow bacteria.

gelatin