PORTAGE MICROBIOLOGY EXAM 3
GRADED A CERTIFICATION PAPER 2026
FULL ANSWERS GRADED A+
⩥ Virus. Answer: Not living, not considered microorganisms, considered
microbes
⩥ Microbes. Answer: Include microorganisms and viruses, can be
advantageous or harmful
⩥ Cell. Answer: Smallest, most basic biological unit of life
⩥ All cells are compromised of. Answer: Macromolecules (building
bloacks)
⩥ Four main types of macromolecules found ing cells. Answer: Proteins,
nucleic acids, lipids, and polysaccharides
⩥ Proteins. Answer: Comprised of amino acids, facilitate movement of
materials, act as enzymes to speed up biochemical processes, structural
role
, ⩥ Amino Acid. Answer: Way proteins are formed by varying
combinations, 20 different kinds
⩥ Each protein. Answer: has its own unique sequence of amino acids
⩥ Essential Amino Acids. Answer: human body cannot produce them,
they must be taken in from the environment through other sources (food
you eat)
⩥ Nucleic Acid. Answer: chemical molecules that carry genetic
information within the cell
⩥ Two types of nucleic acids. Answer: DNA and RNA
⩥ DNA. Answer: deoxyribonucleic acid, contains vast amount of
hereditary info and is responsible for the inheritable characteristics of
living organisms, made from nucleotides
⩥ RNA. Answer: ribonucleic acid, responsible for deciphering the
hereditary information in DNA and using it to synthesize proteins
⩥ Can DNA and RNA be found in the nucleus?. Answer: Yes
GRADED A CERTIFICATION PAPER 2026
FULL ANSWERS GRADED A+
⩥ Virus. Answer: Not living, not considered microorganisms, considered
microbes
⩥ Microbes. Answer: Include microorganisms and viruses, can be
advantageous or harmful
⩥ Cell. Answer: Smallest, most basic biological unit of life
⩥ All cells are compromised of. Answer: Macromolecules (building
bloacks)
⩥ Four main types of macromolecules found ing cells. Answer: Proteins,
nucleic acids, lipids, and polysaccharides
⩥ Proteins. Answer: Comprised of amino acids, facilitate movement of
materials, act as enzymes to speed up biochemical processes, structural
role
, ⩥ Amino Acid. Answer: Way proteins are formed by varying
combinations, 20 different kinds
⩥ Each protein. Answer: has its own unique sequence of amino acids
⩥ Essential Amino Acids. Answer: human body cannot produce them,
they must be taken in from the environment through other sources (food
you eat)
⩥ Nucleic Acid. Answer: chemical molecules that carry genetic
information within the cell
⩥ Two types of nucleic acids. Answer: DNA and RNA
⩥ DNA. Answer: deoxyribonucleic acid, contains vast amount of
hereditary info and is responsible for the inheritable characteristics of
living organisms, made from nucleotides
⩥ RNA. Answer: ribonucleic acid, responsible for deciphering the
hereditary information in DNA and using it to synthesize proteins
⩥ Can DNA and RNA be found in the nucleus?. Answer: Yes