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Chemistry

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Vickie Schuster

Lvl 10
βˆ™ 2021-10-07 18:34:19
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Cards in this guide (23)
Why are carbon dioxide molecules important for metabolism in living things

Carbon dioxide molecules are very important for photosynthesis

What is the Chemical equation for the reaction between sodium nitrate and hydrochloric acid

Na

3

C

3

H

5

O

7

(aq) + 3 HCl(aq)-->

H

3

C

3

H

5

O

7

(aq) + 3 NaCl(aq)

How do humans receive energy from food

Food has many complex molecules, such as carbohydrates and fats, that store energy. The human body is able to gain this energy by breaking down the molecules.

What happens when an atom gains an electron

It becomes a negative ion.

Can nitrogen form an ionic bond

nitrogen can form an ionic bond

What kind of energy do plants use to make glucose molecules

Plants use the energy from the sun to make glucose.

Why are some people fat and others are not

One reason people are fat is because they eat and eat and eat and don't exercise. Another reason is because some people have fast working calorie burning systems and some people have slow ones causing them to be fat.

It might be that those people that are not fat have high metabolism you eat as much as you want and not get fat.

Which of the following is an organic molecule

Glucose

CH4 for bio sem 1

Sucrose

Fructose
CH4

{Apex Asnwers} C2H6

The goal of basic science is

to teach you basic fundimentals of biology

Which of these is an example of a chemical change

Lighting A Match

Which produces an ionic bond

Creating an electrostatic attraction produces an ionic bond.

Which best describes a difference between prokaryotic cells and eukaryotic cells

Eukaryotic cells contain organelles that are enclosed in membranes

What was Rudolph virchow trying to prove through his work

He was trying to prove all cells come form preexisting cells.

What are the products in this chemical reaction

CO2 + 2H2O + energy

c6h12o6+o2

What describes a chemical reaction taking place

Hydrolysis of disaccharides

Which one is better for moving more nutrients in and out the cell surface or more volume

more volume decreases the surface area of the cell thus making the distance of transporting nutrients in and out of the cell less. so more volume is better

What is the goal of a statement of the purpose

To indicate what is expected to be accomplished in doing an experiment

The molecules that make up food contain energy. how does the human body get energy from the food molecules

by breaking chemical bonds in the molecules

What is the purpose of the proper handling of experimental subjects


To ensure that good and reliable data are collected

Water reacts with sodium metal to produce sodium hydroxide and hydrogen gas along with heat and light. What are the reactants in this chemical reaction

Sodium metal and water

What is the following is most likely the result of an organism having lipids in its body

water cannot be absorbed through the surface of a leaf

In the triglyceride molecule shown below what molecule are the fatty acids attached to

Glycerol

What statement of purpose best defines the objectives of an experiment to test this hypothesis

D on apex

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