What is the independent variable in his investigation?

(a)  

During what time frame did the Tadpoles experience a slow decline in population?

(a)  

Approximately how many Tadpoles were in the pond in 1993?

(a)  

The (a)   controls what enters and leaves the cell.

What is the main function of the cell wall?

(a)  

Which macromolecule includes the following elements: CHONP

(a)  

Which macromolecule includes the following elements: CHO in a 1:2:1 ratio

(a)  

Which macromolecule includes the following elements: CHO with a greater number of carbon and hydrogen compared to oxygen

(a)  

Which macromolecule includes the following elements: CHON

(a)  

Diffusion is the movement of molecules from an area of __ to __ concentration without the need of energy.

(a)  

When the concentration of molecules on both sides of a membrane are (a)   , the molecules will move across the membrane in both directions.

Use the beakers on the right to fill in the missing information in the chart below:

Of the four macromolecule types, DNA and RNA are classified as (a)   .

“Macro” is a term referring to molecules that are (a)   than most other molecules.

Organisms that make their own food, such as plants, are called (a)   .

If an animal cell is surrounded by fresh water it will ________ due to osmotic pressure and water will move ________ the cell.

(a)  

In an isotonic solution where the concentration of molecules on both sides of a membrane are equal, molecules will move across the membrane in (a)   directions.

(a)   requires the use of energy to transport particles across the cell membrane.

(a)   is particle transport that does not require an input of energy.

The diffusion of water across a selectively permeable membrane is called (a)   .

Sequence the following steps in order to conduction and complete an experiment: (a)   .

What is the independent variable of this investigation? (a)  

What is the dependent variable of this investigation? (a)  

Which plant is considered the control?

(a)  

What is one piece of qualitative and quantitative data Maggie can write down? Qualitative data:

(a)  

What is one piece of qualitative and quantitative data Maggie can write down? Quantitative data:

(a)  

After reviewing her results, what can Maggie conclude?

(a)  

The ribosome uses coded instructions from the (a)   (choose from below) to make the proteins.

What are the functions of each organelle listed below? Mitochondria:

(a)  

What are the functions of each organelle listed below? Golgi:

(a)  

What are the functions of each organelle listed below? Nucleus:

(a)  

What are the functions of each organelle listed below? Rough ER:

(a)  

The plant cell contains two important organelles that the animal cell does not. What are these two organelles and what is their function? Chloroplast:

(a)  

The plant cell contains two important organelles that the animal cell does not. What are these two organelles and what is their function? Cell wall:

(a)  

The nucleic acid that holds your genetic information is (a)   .

Enzymes speed up chemical ______ and are in the category of macromolecules known as ______.

(a)  

Organic compounds are compounds that all contain the element (a)   .