Biology

Question 1

What are Biological molecules

Answer 1

Lipids
Protein
Carbohydrates
Nucleic acid

Question 2

Why is biological molecule important?

Answer 2

Biological molecules are essential for storing enery, they send instructions , they essential in every cell

Question 3

The first scientist to research into biological molecules

Answer 3

William prout

Question 4

Carbohydrates

Answer 4

Source of energy
Made up of sugar ; monosaccharides
Glucose from sun & fructose
Disaccharides ; ( sucrose

Question 5

What do Longer chain of carbohydrates do?

Answer 5

They become store house of energy
Called; polysaccharides e.g cellulose only animals can digest this coz it comes from grass

Question 6

Carbohydrates is made of ?

Answer 6

Carbohydrates are biological molecules made of carbon, hydrogen, and oxygen

Question 7

Disaccharides do what?

Answer 7

Longer chain of carbohydrates
E.g Lactose Sucrose (table sugar)

Question 8

How do human store energy

Answer 8

Glycogen ; left over glucose stored in our body ready to be used
We store energy through Fat

Question 9

What’s are lipid function in the body?

Answer 9

Lipids can be dissolved in water
They store energy longer than carbohydrates
Their building block are glycerol and fatty acid
Made up of carbon, hydrogen and oxygen
They build up cell membranes

Lipids have crucial functions in energy metabolism, membrane structure, hormone production, and various physiological processes necessary for the proper functioning of cells and organisms.

Question 10

Triglycerides is made up of?

Answer 10

1 glycerol +3 fatty acids

Question 11

Lipids

Answer 11

Made up of glycerol +fatty acids

1 glycerol +3fatty acids is triglyceride

Saturated fats have hydrogen bonded to it
Unsaturated

Question 12

Phospholipids?

Answer 12

They make up cell membranes

Question 13

What does Cholesterol?

Answer 13

It comes from steroids and they bond with phospholipids to form cell walls/membranes

Question 14

Protein function in body?

Answer 14

Amino acids are the monomers that make up proteins.

They act as enzymes for chemical reactions
Made of carbon,hydrogen, oxygen and nitrogen
protein is made up of one or more linear chains of amino acids, each of which is called a polypeptide.

Question 15

Monomers

Answer 15

The building blocks of biomolecules
Carbohydrates: monosaccharides ( ChO)
Lipids : glycerol and fatty acid (Cho)
Protein : amino acid ( chon)
Nucleic acids : Nucleotides (Chonp)

Structure of biomolecules

Question 16

What are lipids Soluble in

Answer 16

Organic Solvents

Question 17

Ribosomes

Answer 17

They are responsible for synthesizing protein

Question 18

What is common to both prokaryotes and eukaryotes cells?

Answer 18

Ribosomes can be found in both prokaryotic and eukaryotic cells. In prokaryotes, such as bacteria, ribosomes are located freely in the cytoplasm

Question 19

Smooth ER produces?

Answer 19

Cholesterol, lipids and hormones

Question 20

Smooth Endoplasmic recticulum (ER)

Answer 20

Helps remove toxins
Lipids,cholesterol, hormones

Question 21

Golgi body

Answer 21

Modifies &Shapes the protein

Question 22

Mitochondria

Answer 22

Responsible for cellular respiration, makes its own DNA,
Generate energy ATP

Question 23

Lysosomes?

Answer 23

Helps in digestion , destroys pathogens

Question 24

Cyctoskeleton?

Answer 24

Maintain the shape