The reason small polar molecules can easily disperse into your blood stream and travel to other parts of your body is because

water has high surface tension.

water resists temperature change.

Which of the following is characteristic of a base?

has a higher concentration of OH- ions than water

The four macromolecules discussed in class all have which of the following atoms in them?

Nitrogen, Carbon, & Phosphorous

What does the pH scale measure?

The concentration of hydrogen ions (H⁺) in a solution

The amount of energy in a substance

The nucleus is made up of

protons, neutrons, and electrons.

Isotopes are atoms of the same element with the same number of protons and

c) a different number of neutrons.

a) a different number of electrons.

b) a different number of molecules.

d) the same number of neutrons.

The three particles that make up an atom are

protons, neutrons, and electrons

protons, neutrons, and isotopes

neutrons, isotopes, and electrons

positives, negatives, and electrons

If the pH of stomach acid and of oven cleaner (a base) were measured,

the pH of stomach acid would be below 7, but the pH of oven cleaner would be above 7.

the pH of stomach acid would be above 7, but the pH of oven cleaner would be below 7.

uniform mixture of two or more substances.

combination of two or more liquids.

Explain two ways to test whether a solution is an acid or a base.

Using litmus paper and pH meter

Using thermometer and barometer

Using a microscope and a telescope

Explain how you tested different solutions to see if there were either carbohydrates, proteins, or lipids in them.

By using Benedict's test for carbohydrates, Biuret test for proteins, and Sudan III test for lipids.

By using litmus paper for carbohydrates, iodine test for proteins, and ethanol test for lipids.

By using pH paper for carbohydrates, flame test for proteins, and water test for lipids.

By using chromatography for carbohydrates, electrophoresis for proteins, and distillation for lipids.

Which of the following lists the 3 types of bonds described in class and explains whether each is strong or weak?

Covalent, Ionic, and Hydrogen - Covalent and Ionic are strong, Hydrogen is weak

Covalent, Ionic, and Metallic - all strong

Ionic, Metallic, and Hydrogen - all weak

Covalent, Metallic, and Van der Waals - all strong

Label the groups (1-18) on a Periodic Table diagram.

Group 1: Alkali metals, Group 2: Alkaline earth metals, Group 17: Halogens, Group 18: Noble gases

Group 1: Noble gases, Group 2: Halogens, Group 17: Alkali metals, Group 18: Alkaline earth metals

Group 1: Halogens, Group 2: Noble gases, Group 17: Alkaline earth metals, Group 18: Alkali metals

Group 1: Alkaline earth metals, Group 2: Alkali metals, Group 17: Noble gases, Group 18: Halogens

Why can't you trust an atom?

Because they make up everything!

Because they have too many "charges."

Because they're always "moving" around!

Because they don't "bond" well with others.

Chemistry of Life- Regular Bio Test

9th - 12th Grade

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Chemistry of Life- Regular Bio Test

Quiz

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Science

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9th - 12th Grade

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Practice Problem

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Medium

•

NGSS

MS-PS1-1, MS-LS3-1, MS-PS1-5

Standards-aligned

Jennifer Duncan

Used 7+ times

FREE Resource

50 questions

Show all answers

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The electrons of an atom

are found in the nucleus along with the protons.

occupy the space surrounding the nucleus.

have a positive charge.

are attracted to the positive charge of neutrons.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

All matter is composed of

Cells

Oxygen

Atoms

Carbon

Phosphorous has an atomic number of 15 and an atomic mass of 31. Which of the following is true?

Phosphorous has 15 neutrons.

Phosphorous has 15 protons.

Phosphorous has 31 neutrons.

Phosphorous has 46 protons.

Which of the following is not a macromolecule?

ice

carbohydrate

lipid

protein

These are all macromolecules.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Atoms of the same element that have a different number of neutrons are called

molecules.

lipids.

polar.

isotopes.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The 2 types of nucleic acids are

Catalase and lactase

DNA and RNA

Lipids and sugars

Glucose and glycogen

When an electron is transferred from one atom to another, this forms a(n)

Ionic bond

Hydrogen bond

Covalent bond

Polar molecule

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Chemistry of Life- Regular Bio Test

50 questions

The electrons of an atom

All matter is composed of

Phosphorous has an atomic number of 15 and an atomic mass of 31. Which of the following is true?

Which of the following is not a macromolecule?

Atoms of the same element that have a different number of neutrons are called

The 2 types of nucleic acids are

When an electron is transferred from one atom to another, this forms a(n)

Which of the following bonds is the weakest?

The molecule that is formed at the end of a chemical reaction using an enzyme is called a(n)

The reason small polar molecules can easily disperse into your blood stream and travel to other parts of your body is because

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