NVCC bio 101 exam 3 questions with verified
answers
Members of what Domain are closer to Eukaryotes? Ans✓✓-Archaea
Write the four kingdoms of Domain Eukarya Ans✓✓-Protists, Fungi, Plantae,
Animalia
What is the flow of nutrients and energy in an ecosystem. Ans✓✓-Energy- one
way
nutrients- recycled
Briefly describe the two types of cells. Ans✓✓-Prokaryotic cells are: small,lack a
definitive nucleus and all the membrane bound organelles except ribosomes and
chromosomes.
Eukaryotic cells are: bigger, a nucleus and all the membrane bound organelles are
present.
Define Covalent and Ionic bonds in a single sentence. Ans✓✓-Covalent bond is
sharing of electrons and it is the strongest bond.
Ionic bond is gaining or losing electrons by forming ions.
In a pH scale how a solution is described as an acid or a base Ans✓✓-Acid- 1-7,
Neutral-7, base- 7-14
What are the four major elements in a living organism? Ans✓✓-Carbon
, Hydrogen
Oxygen
Nitrogen
How to find the Atomic Weight/ Mass Number Ans✓✓-protons+neutrons
Define condensation and hydrolysis. Ans✓✓--Condensation: when monomers
join to form polymers, releasing water.
-Hydrolysis: when polymers break down to monomers, requiring water.
Define denaturation of protein. Ans✓✓-Damage in the protein structure due to
high heat, pH or salinity, it loses its functions.
Sucrose, maltose and lactose are made up of which two monomers. Ans✓✓-
Sucrose: glucose and fructose
-Some Good FRUit
Maltose: glucose and glucose
-M=G^2
Lactose: glucose and galactose
-ggalL
Parts of a cell and their functions Ans✓✓-Nucleus- hereditary
Nucleoli- chemical energy
Ribosomes- protein synthesis
Mitochondria- cellular respiration
answers
Members of what Domain are closer to Eukaryotes? Ans✓✓-Archaea
Write the four kingdoms of Domain Eukarya Ans✓✓-Protists, Fungi, Plantae,
Animalia
What is the flow of nutrients and energy in an ecosystem. Ans✓✓-Energy- one
way
nutrients- recycled
Briefly describe the two types of cells. Ans✓✓-Prokaryotic cells are: small,lack a
definitive nucleus and all the membrane bound organelles except ribosomes and
chromosomes.
Eukaryotic cells are: bigger, a nucleus and all the membrane bound organelles are
present.
Define Covalent and Ionic bonds in a single sentence. Ans✓✓-Covalent bond is
sharing of electrons and it is the strongest bond.
Ionic bond is gaining or losing electrons by forming ions.
In a pH scale how a solution is described as an acid or a base Ans✓✓-Acid- 1-7,
Neutral-7, base- 7-14
What are the four major elements in a living organism? Ans✓✓-Carbon
, Hydrogen
Oxygen
Nitrogen
How to find the Atomic Weight/ Mass Number Ans✓✓-protons+neutrons
Define condensation and hydrolysis. Ans✓✓--Condensation: when monomers
join to form polymers, releasing water.
-Hydrolysis: when polymers break down to monomers, requiring water.
Define denaturation of protein. Ans✓✓-Damage in the protein structure due to
high heat, pH or salinity, it loses its functions.
Sucrose, maltose and lactose are made up of which two monomers. Ans✓✓-
Sucrose: glucose and fructose
-Some Good FRUit
Maltose: glucose and glucose
-M=G^2
Lactose: glucose and galactose
-ggalL
Parts of a cell and their functions Ans✓✓-Nucleus- hereditary
Nucleoli- chemical energy
Ribosomes- protein synthesis
Mitochondria- cellular respiration
