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Biological Molecules and Their Functions

Biological Molecules and Their Functions

Assessment

Interactive Video

Biology, Chemistry, Science

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explores the commonality of living things being made of cells and molecules. It covers the elements found in cells, focusing on water, nucleic acids, proteins, carbohydrates, and lipids. The properties of water, the structure and function of DNA and RNA, the roles of proteins, the energy and structural functions of carbohydrates, and the energy storage and insulation roles of lipids are discussed. The video concludes with an explanation of dehydration synthesis and hydrolysis in cellular reactions.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the primary elements found in high abundance in cells?

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur

Helium, Neon, Argon, Krypton, Xenon, Radon

Iron, Copper, Zinc, Magnesium, Calcium, Sodium

Gold, Silver, Platinum, Palladium, Rhodium, Iridium

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is water considered the 'solvent of life'?

It is nonpolar and does not dissolve substances

It can dissolve charged substances due to its polar nature

It is a solid at room temperature

It reacts with all elements to form new compounds

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the shape of a DNA molecule?

A twisted ladder or double helix

A zigzag pattern

A circular loop

A straight line

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the building blocks of proteins?

Fatty acids

Amino acids

Monosaccharides

Nucleotides

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a function of proteins?

Transporting materials like hemoglobin

Storing genetic information

Providing structure like collagen

Acting as messengers like hormones

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the monomer of carbohydrates?

Fatty acid

Amino acid

Monosaccharide

Nucleotide

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which carbohydrate is known for providing energy?

Glycogen

Cellulose

Starch

Chitin

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