BSC 1010 Final Exam FSW (Questions with error-free answers)
The atomic number of an element is the number of correct answers protons in the nucleus
In a covalent bond, atoms correct answers share electrons
In living cells, a process by which cells break polymers down into monomers with the addition of water is correct answers hydrolysis
The primary building block of proteins correct answers amino acid
cohesion is a property of water in which water molecules tend to stick together correct answers true
Carbohydrate polymer limited to two monomer units, it is called correct answers disaccharide
Smaller than an organelle correct answers molecule
plants extract minerals from soil, so they are considered correct answers autotroph
order of organization correct answers atom, molecule, organelle, cell, tissue, organ
3 domains correct answers Bacteria, Archaea, Eukarya
Oxygen has atomic number of 8. Uncharged has _______ electrons in outer shell correct answers
8
Weak bond between water molecules correct answers hydrogen bond
Theory proven wrong? correct answers yes - new observation could disprove
type of bond with complete transfer of electrons correct answers ionic
Highest H+ Concentration correct answers Lemon Juice - 2.3 (lowest pH)
A solution that resists a change in pH when an acid or base is added to it is a(n) __________. correct answers buffer
a substance that dissolves in water freely correct answers hydrophilic
smallest living unit correct answers atoms
Mass number is defined as total number of __________ of an atom correct answers protons and neutrons Homeostasis correct answers conditions inside a cell in a constant range
Found in both prokaryotic and eukaryotic cells correct answers ribosome
A prokaryotic cell correct answers does not have a nucleus
In most mammals the DNA found in mitochondria is inherited from correct answers mother only
Which cellular structure is correctly matched? correct answers ribosome: protein synthesis
A cytoskeleton correct answers all above - composed of microtubules, microfilament, intermediate filaments - aids in cell division - in eukaryotic cells - system of tracks
Enzymes are typically correct answers proteins
cellular processes that require energy input are coupled with correct answers ATP hydrolysis
Which is false about mitrochondria correct answers Carry out photosynthesis
A phospholipid molecule has correct answers a hydrophilic head that is attracted to water.
entropy is correct answers disorder
oxidation correct answers loss of electrons
oxidation-reduction reactions correct answers Remove electrons from one molecule and add them to another molecule simultaneously
which of the following organelles contain enzymes involved in cellular digestion correct answers
lysosomes and peroxisomes
Cellular junction prevents stomach acid from leaking correct answers tight juntion
first law of thermodynamics correct answers Energy cannot be created or destroyed
a central vacuole of a mature plant cell correct answers produces turgor pressure
organelle found in plant cells and some protista but not in animal cells correct answers chloroplasts
protein synthesis takes place in correct answers ribosomes
cell theory correct answers cells come from preexisting cells
Unlike animal cells, plant cells have correct answers central vacuole, chloroplast, cell wall
The atomic number of an element is the number of correct answers protons in the nucleus
In a covalent bond, atoms correct answers share electrons
In living cells, a process by which cells break polymers down into monomers with the addition of water is correct answers hydrolysis
The primary building block of proteins correct answers amino acid
cohesion is a property of water in which water molecules tend to stick together correct answers true
Carbohydrate polymer limited to two monomer units, it is called correct answers disaccharide
Smaller than an organelle correct answers molecule
plants extract minerals from soil, so they are considered correct answers autotroph
order of organization correct answers atom, molecule, organelle, cell, tissue, organ
3 domains correct answers Bacteria, Archaea, Eukarya
Oxygen has atomic number of 8. Uncharged has _______ electrons in outer shell correct answers
8
Weak bond between water molecules correct answers hydrogen bond
Theory proven wrong? correct answers yes - new observation could disprove
type of bond with complete transfer of electrons correct answers ionic
Highest H+ Concentration correct answers Lemon Juice - 2.3 (lowest pH)
A solution that resists a change in pH when an acid or base is added to it is a(n) __________. correct answers buffer
a substance that dissolves in water freely correct answers hydrophilic
smallest living unit correct answers atoms
Mass number is defined as total number of __________ of an atom correct answers protons and neutrons Homeostasis correct answers conditions inside a cell in a constant range
Found in both prokaryotic and eukaryotic cells correct answers ribosome
A prokaryotic cell correct answers does not have a nucleus
In most mammals the DNA found in mitochondria is inherited from correct answers mother only
Which cellular structure is correctly matched? correct answers ribosome: protein synthesis
A cytoskeleton correct answers all above - composed of microtubules, microfilament, intermediate filaments - aids in cell division - in eukaryotic cells - system of tracks
Enzymes are typically correct answers proteins
cellular processes that require energy input are coupled with correct answers ATP hydrolysis
Which is false about mitrochondria correct answers Carry out photosynthesis
A phospholipid molecule has correct answers a hydrophilic head that is attracted to water.
entropy is correct answers disorder
oxidation correct answers loss of electrons
oxidation-reduction reactions correct answers Remove electrons from one molecule and add them to another molecule simultaneously
which of the following organelles contain enzymes involved in cellular digestion correct answers
lysosomes and peroxisomes
Cellular junction prevents stomach acid from leaking correct answers tight juntion
first law of thermodynamics correct answers Energy cannot be created or destroyed
a central vacuole of a mature plant cell correct answers produces turgor pressure
organelle found in plant cells and some protista but not in animal cells correct answers chloroplasts
protein synthesis takes place in correct answers ribosomes
cell theory correct answers cells come from preexisting cells
Unlike animal cells, plant cells have correct answers central vacuole, chloroplast, cell wall
