Biology EOC part 1: Molecular and Cellular bio.

Biology EOC part 1: Molecular and Cellular bio.

By Chris Viadero

Multiple Choice

What are the building blocks of proteins?

• amino acid
• fatty acid
• nucleotide
• lipid

Multiple Choice

What are the single sugars that are the building blocks of carbohydrates?

• monosaccharides
• disaccharides
• polysaccharides
• amino acid

Multiple Choice

DNA and RNA are examples of 

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

Multiple Choice

Building blocks of the body, hair , muscles etc.

• protein
• nucleic acid
• lipids
• carbohydrates

Multiple Choice

What elements are common to all 4 biomolecules?

• Carbon, hydrogen, nitrogen
• Carbon, Nitrogen, Phosphorus
• Carbon, Hydrogen, Oxygen
• Carbon, Hydrogen, Phosphorus

Multiple Choice

A monomer is ...

• a single atom
• a building block for polymers
• a single element
• is an inorganic molecule

Multiple Choice

When water is added to split a molecule, the reaction is known as a(n) __ reaction.

• dehydration synthesis
• condensation
• hydrolysis
• super magical 

Multiple Choice

Which of the 4 major macromolecules provides a quick burst of energy?

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

Multiple Choice

How does your body use lipids?

• Primary source of energy
• energy storage and insulation
• speeds up chemical reaction
• defense

Multiple Choice

Water is a polar molecule, which means it has a positive and a negative side. Hydrogen bonds form when:

• _{The positive end of one water molecule bonds to the positive end of another water molecule.}

• _{The negative end of one water molecule bonds to the negative end of another water molecule.}

• _{The positive end of one water molecule bonds to the negative end of another water molecule.}

Multiple Choice

The ability of water molecules to stick to each other, creating surface tension is called:

• Cohesion

• Adhesion

• Insulation

• Ph

Multiple Choice

The fact that water can stick to other substances is called:

• Ph

• Adhesion

• Cohesion

• Insulation

Multiple Choice

Heat Capacity is a measure of the heat required to raise the temperature of 1g of a substance by 1°C.

So...

True or False:

Water has a very high heat capacity, which means it resists changing temperature when heat is added or removed.

• True

• False

Multiple Choice

Why does ice float on water?



• When it freezes it becomes less dense

• When it freezes it becomes more dense

• When it freezes its density stays the same

Multiple Choice

Oil and water don't mix because oil is

• hydrophilic

• hydrophobic

• an emulsifier

• a buffer

Multiple Choice

Which acid listed is the strongest acid?

• Hydrochloric acid pH 1.0

• Sulfuric acid pH 1.2

• Tomatoes pH 4.2

• Water pH 7.0

Multiple Choice

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile

Multiple Choice

With what 3 letters do enzymes typically end?

• -ose
• -ase
• -ese
• -tic

Multiple Choice

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

Multiple Choice

Letter D...

• active site
• enzyme
• substrate
• products

Multiple Choice

An enzyme speeds up a reaction by

• lowering the activation energy.
• raising the activation energy.
• releasing energy.
• absorbing energy.

Multiple Choice

What happens when enzymes are heated to a high temperature?

• The enzymes die.

• The shape of the enzyme are changed and it denatures

• The enzymes' amino acid sequence changes.

• The enzymes remain the same

Draw

Draw a prokaryotic cell vs a eukaryotic cell

Multiple Choice

Which organelle is only found in a plant cell? 

• nucleus
• chloroplast
• mitochondria
• cell membrane

Multiple Choice

This organelle helps plants keep their rigid structure. 

• Cell wall
• Cell membrane
• Chloroplast
• Nucleus

Multiple Choice

The green pigment in plants is due to the presence of 

• chlorophyll
• Chlorine
• Chlorophyta
• chromatophores

Multiple Choice

Controls what enters and leaves the cell

• Cell Membrane
• Ribosome
• Chloroplast
• Vacuole

Multiple Choice

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Multiple Choice

What is the phospholipid bilayer?

• the layer of the outside of the cell

• Something I have never heard of before.

• a structure that performs important cellular functions

• the lipid molecules that form a cell membrane with hydrophobic ends inward and hydrophilic ends outward

Multiple Choice

The levels of organization from the simplest to the most complex are

• Cells, tissues, organs, organ systems, organism
• Organisms, organs, tissues, cells, organ systems
• Cells, organs, organ systems, tissues, organism
• Tissues, cells, organs, organism

Multiple Choice

What are ribosomes?

• small particles in cells where protein is made

• another word for cells

• structures that performs important cellular functions

• Something in the ribs of living things...

Multiple Choice

What are the inputs (reactants) of photosynthesis?

• glucose and oxygen

• glucose and carbon dioxide

• carbon dioxide and oxygen

• carbon dioxide and water

Multiple Choice

What are the inputs (reactants) of cellular respiration?

• carbon dioxide and water

• glucose and water

• carbon dioxide and oxygen

• glucose and oxygen

Multiple Choice

What is an autotroph?

• an organism that can makes its own food

• an organism that needs to consume food

• an organism that has absorbs food by diffusion

• all living organisms

Multiple Choice

What is the purpose of cellular respiration?

• Make glucose

• Make energy

• Make oxygen