Scientific Method
Biomolecules
Data
Microscopes
BONUS
100

What is a hypothesis?

A proposed explanation based on the basis of evidence. 

"an educated guess"

100

What are the 4 macromolecules?

carbohydrates 

lipids

nucleic acids

proteins

100

What is qualitative data?

descriptive data (5 senses)

100

Which objective lens gives the most detail? (4x,10x,40x)

40x

100

You observed a sample under a microscope. You noticed it was round, pink, and about 10 micrometers wide. Which observations are qualitative, and which are quantitative?

Qualitative - round,pink

Quantitative - 10 mm

200

A research question much be _________ and _________.

testable; specific

200

Which type helps build muscle and enzymes?

proteins

200

What is quantitative data?

Numerical data 

200

What part is used to carry the microscope safely?

arm and base

200

Found in butter, used for energy storage, made of fatty acids — What biomolecule am I?

Lipid

300

What is wrong with this hypothesis?

I think plants grow faster because of they are green.

Not specific

Not written in "if...then...because"

300

Which biomolecule gives quick energy?

carbohydrates

300

Give an example of each type of data (from mealworm experiments).

Qualitative - color, behavior, etc.

Quantitative - distance, time

300

If the eyepiece is 10x and the objective is 40x, what is the total magnification?

400x

300

A student places a slide on the microscope, uses the 40x objective first, and immediately adjusts the coarse focus. They hear a crack. What did they do wrong, and what should they have done instead?

They should have started with the 4x objective and used the coarse focus only on low power.

400

What is the difference between independent and dependent variables?

independent - manipulated by scientist 

dependent - measured by scientist

400

Which element is unique to proteins and nucleic acids?

 Nitrogen 

400

Why is it helpful to collect both types of data in an experiment?

Gives you a more broad understanding of the subject in the experiment.

400

What is the difference between magnification and resolution?

Magnification refers to the ability to make an object appear larger, while resolution refers to the ability to see between two closely spaced objects (blur). 

400

Can data be both qualitative and quantitative? Give an example.

yes 

ex. pain scale 1-5

500

In an experiment where fertilizer is tested on plant growth, what are the variables?

independent - fertilizer

dependent - growth 

control - plant type, soil, climate, etc.

500

What is the monomer of a lipid?

Lipids have no true monomer !!

500

Describe a situation where qualitative data might be more useful than quantitative data.

answers will vary

ex. when observing behaviors or emotions

500

What is to make cell structures easier to see or to highlight specific parts like the nucleus or cell wall?

a stain
500

What is a monomer of a carbohydrate?

monosaccaride

M
e
n
u