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Quiz about Biochemistry For Kids
Quiz about Biochemistry For Kids

Biochemistry For Kids Trivia Quiz


Understanding biochemistry can help us answer complex questions about human health and illness. But what do you know about this topic?

A multiple-choice quiz by doublemm. Estimated time: 3 mins.
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Author
doublemm
Time
3 mins
Type
Multiple Choice
Quiz #
361,670
Updated
Jul 23 22
# Qns
10
Difficulty
Easy
Avg Score
8 / 10
Plays
926
Awards
Top 35% Quiz
Last 3 plays: Bowler413 (9/10), 4331D (10/10), Guest 14 (4/10).
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Question 1 of 10
1. Biochemistry is an important topic and is named for two other sciences. Which two sciences are these? Hint


Question 2 of 10
2. There are lots of molecules that are important to biochemistry, but few are as famous as this one! This molecule looks like a twisted ladder (called a "double helix" by scientists) and is made up of genes. What molecule is this? Hint


Question 3 of 10
3. Proteins help to build our bodies and keep us alive. They exist in many forms and are made up of smaller parts called amino acids. How many different amino acids are coded for by our genes? Hint


Question 4 of 10
4. One tough and strong protein is keratin. We all have keratin, though some have more than others! Keratin can be found on our heads and some people have lots of keratin on their faces. What part of our bodies is most likely to contain keratin? Hint


Question 5 of 10
5. Proteins can fold up into tight balls which look like a complicated mess, but which are very special and help our bodies carry out chemical reactions very, very quickly. What are these proteins called? Hint


Question 6 of 10
6. Fats do many important jobs in our bodies and, without them, we would not survive long. What scientific word is often used instead of "fat"? Hint


Question 7 of 10
7. Another important group in biochemistry is the carbohydrates. What "sweet" word is used for small carbohydrates? Hint


Question 8 of 10
8. Biomolecules like proteins and carbohydrates need to interact with themselves and each other. Which of these is an important bond which allows these interactions to take place? Hint


Question 9 of 10
9. Biomolecules can be converted (or metabolised) into a molecule which is a chemical store of energy. What name is given to this molecule? (It is also the answer to "twenty pence multiplied by four"). Hint


Question 10 of 10
10. The periodic table contains over 100 elements, but only three of these elements are always found in fats, DNA, protein, and carbohydrates. Two of these are hydrogen and oxygen (the same two elements that make up water). What is the third? Hint





Most Recent Scores
Oct 22 2024 : Bowler413: 9/10
Sep 26 2024 : 4331D: 10/10
Sep 16 2024 : Guest 14: 4/10
Sep 11 2024 : bradncarol: 8/10
Sep 04 2024 : teacher47: 9/10

Score Distribution

quiz
Quiz Answer Key and Fun Facts
1. Biochemistry is an important topic and is named for two other sciences. Which two sciences are these?

Answer: Biology and chemistry

Biochemistry is more similar to biology, but contains lots of chemistry too! Chemistry looks at lots of things, but biochemistry deals specifically with chemistry in living organisms ("bio" is Greek for "life"). This means we take questions like "how do we digest food?", "how do our bodies fight illness?", and "how do we stay alive?" and try to answer them from a molecular level.
2. There are lots of molecules that are important to biochemistry, but few are as famous as this one! This molecule looks like a twisted ladder (called a "double helix" by scientists) and is made up of genes. What molecule is this?

Answer: DNA

DNA is made up of genes, which help to determine what we look like (e.g. whether we have blue or brown eyes, blonde or brown hair, whether we are short or tall etc.). This important molecule is stowed away in a compartment known as the nucleus of a cell. Though many think of genetics when talking about DNA, biochemistry is also important to understand how DNA interacts with other parts of the cell to do its job.
3. Proteins help to build our bodies and keep us alive. They exist in many forms and are made up of smaller parts called amino acids. How many different amino acids are coded for by our genes?

Answer: 20

Our genome codes for 20 amino acids. These amino acids are then stitched together by links known as peptide bonds. The sequence of these amino acids decides what type of protein is made. The amino acids are like the ingredients, and the protein is the final product.
4. One tough and strong protein is keratin. We all have keratin, though some have more than others! Keratin can be found on our heads and some people have lots of keratin on their faces. What part of our bodies is most likely to contain keratin?

Answer: Hair

Keratin is called a "fibrous protein", meaning it won't dissolve when you put it in water, which makes showering a lot easier! Another fibrous protein is collagen. Collagen is actually the most abundant protein in our bodies and makes up our skin and bones.
5. Proteins can fold up into tight balls which look like a complicated mess, but which are very special and help our bodies carry out chemical reactions very, very quickly. What are these proteins called?

Answer: Enzymes

Enzymes are a perfect definition of biochemistry. They carry out chemical reactions, but are only found in living organisms, such as bacteria, plants, cats, dogs, fish, and humans. They work so well that technology has not even been able to get close to how quickly enzymes work.
6. Fats do many important jobs in our bodies and, without them, we would not survive long. What scientific word is often used instead of "fat"?

Answer: Lipid

There are many types of lipid. One type is the triglycerides, which makes up mostly what people would call "their fat". Whilst fat is often seen as a bad thing, we do need some fat. Fat keeps us warm and surrounds our vital organs, protecting them. Other types of lipids are needed to build cells, allow cells to communicate with each other, and perform many other important tasks which keep us alive.
7. Another important group in biochemistry is the carbohydrates. What "sweet" word is used for small carbohydrates?

Answer: Sugars

Just like amino acids link together to make proteins, carbohydrates are made up of long chains of units called monosaccharides. These monosaccharides include glucose, fructose, and galactose. They can join together to form more complex sugars. Glucose and galactose join together to form lactose, which is found in milk. Glucose and fructose join together to form sucrose, which we call table sugar.
8. Biomolecules like proteins and carbohydrates need to interact with themselves and each other. Which of these is an important bond which allows these interactions to take place?

Answer: Hydrogen bonds

Hydrogen bonds are quite weak (compared to the bonds between atoms in molecules), but there are lots of them. Hydrogen bonds help proteins to fold into their correct shape. These can be long, strong proteins (like keratin) or compact and soluble proteins (such as enzymes).
9. Biomolecules can be converted (or metabolised) into a molecule which is a chemical store of energy. What name is given to this molecule? (It is also the answer to "twenty pence multiplied by four").

Answer: ATP

We take in lots of carbohydrates, lipids, and proteins in the food we eat. These are digested (with the help of enzymes) and many are eventually converted to ATP - a molecule which stores chemical energy. This energy then allows us to move, grow, and help our brains work while taking quizzes on FunTrivia.
10. The periodic table contains over 100 elements, but only three of these elements are always found in fats, DNA, protein, and carbohydrates. Two of these are hydrogen and oxygen (the same two elements that make up water). What is the third?

Answer: Carbon

Carbon, hydrogen and oxygen are always found in carbohydrates, proteins and lipids. Proteins also always contain nitrogen. Other elements and groups can be added to these molecules, which may change their function and so contribute to the complexity of organisms such as human beings.
Source: Author doublemm

This quiz was reviewed by FunTrivia editor NatalieW before going online.
Any errors found in FunTrivia content are routinely corrected through our feedback system.
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