MOLECULAR BIOLOGY EXAM: LATEST A+ QUESTIONS
AND ANSWERS BREAKDOWN
Food provides molecules that serve as ___ and ___ material for all organisms
Fuel; building
Plants use light energy to make ___ out of ___ ___ and ___
Sugars; carbon dioxide; water
The functions that cells carry out to sustain life are
Grow, divide, producing, take in nutrients
Matter is transferred in an ecosystem when organisms ___, or are ___ by ___ for ___
eat; eaten; others; food
Through the process of ___ cells convert energy(glucose) to a usable form of energy (ATP)
Cellular respiration
In plants and animals, ___ from food by ___ with oxygen to provide energy to carry out life functions,
___ and ___ incorperated into the body structure, or are ___ for later use.
Molecules; reacting; bulid; become; stored
Matter moves within indivisual organisms through a series of ___ ____ in which ___ is ___ down and
___ to form new molecules.
Chemical reactions; food; broken; rearranged
___ use energy from ___ to make ___ (food) from ___ ___ and ___.
Plants; light; sugars; carbon dioxide; water
____ and other ____ from the soil are not ____ (they don't provide energy), but they are needed for
plants to make complex molecules from the they make.
Minerals; nutrients; food; sugar
____ is transferred from one organism in an ecosystem to another as the organisms interact with each
other for food.
chemical energy
the ____ that make up the organisms in an ecosystem are cycled repeatedly between the living and
nonliving parts of the ecosystem.
atoms
____ can change from one form to another in living things. ____ get energy from oxidizing their food,
releasing some of its energy as heat. Almost all food energy comes originally from sunlight.
, Energy; Animals
The term ____ is commonly known as whatever nutrients plants and animals must take in if they are
to grow and survive.
food
In ____ terms, food refers only to those substances, such as carbohydrates, proteins, and lipids, from
which organisms derive the energy they need
to ____ and ____ and the material of which they are made.
scientific; grow; operate
A ____ combined with ____ in the overall general health of the body.
balanced diet; regular exercise aid
Humans require ___ to function.
Energy
The amount of energy required to maintain minimum essential life functions is called ____, or ____.
basal metabolic rate; BMR
Humans obtain the energy required to carry out basic life processes from the ____ they consume.
Food energy is measured in ____.
food; calories
For the body to use ____ (proteins, lipids, carbohydrates) for energy and building materials, the food
must first be digested into molecules that are ____ and ____ to cells.
Food; absorbed; transported
What are the products of photosynthesis?
Light (energy) + Co2 + H2O = C6H12O6 + O2
What happens during photosynthesis?
Light energy is absorbed by chlorophyll, then converted to sugars and oxygen.
How does photosynthesis benefit heterotrophs?
It creates the food they eat.
What happens during cellular respiration?
Oxygen and glucose broken down.
The stage of respiration that releases most of the energy in glucose occurs in the ____?
Mitochondria
AND ANSWERS BREAKDOWN
Food provides molecules that serve as ___ and ___ material for all organisms
Fuel; building
Plants use light energy to make ___ out of ___ ___ and ___
Sugars; carbon dioxide; water
The functions that cells carry out to sustain life are
Grow, divide, producing, take in nutrients
Matter is transferred in an ecosystem when organisms ___, or are ___ by ___ for ___
eat; eaten; others; food
Through the process of ___ cells convert energy(glucose) to a usable form of energy (ATP)
Cellular respiration
In plants and animals, ___ from food by ___ with oxygen to provide energy to carry out life functions,
___ and ___ incorperated into the body structure, or are ___ for later use.
Molecules; reacting; bulid; become; stored
Matter moves within indivisual organisms through a series of ___ ____ in which ___ is ___ down and
___ to form new molecules.
Chemical reactions; food; broken; rearranged
___ use energy from ___ to make ___ (food) from ___ ___ and ___.
Plants; light; sugars; carbon dioxide; water
____ and other ____ from the soil are not ____ (they don't provide energy), but they are needed for
plants to make complex molecules from the they make.
Minerals; nutrients; food; sugar
____ is transferred from one organism in an ecosystem to another as the organisms interact with each
other for food.
chemical energy
the ____ that make up the organisms in an ecosystem are cycled repeatedly between the living and
nonliving parts of the ecosystem.
atoms
____ can change from one form to another in living things. ____ get energy from oxidizing their food,
releasing some of its energy as heat. Almost all food energy comes originally from sunlight.
, Energy; Animals
The term ____ is commonly known as whatever nutrients plants and animals must take in if they are
to grow and survive.
food
In ____ terms, food refers only to those substances, such as carbohydrates, proteins, and lipids, from
which organisms derive the energy they need
to ____ and ____ and the material of which they are made.
scientific; grow; operate
A ____ combined with ____ in the overall general health of the body.
balanced diet; regular exercise aid
Humans require ___ to function.
Energy
The amount of energy required to maintain minimum essential life functions is called ____, or ____.
basal metabolic rate; BMR
Humans obtain the energy required to carry out basic life processes from the ____ they consume.
Food energy is measured in ____.
food; calories
For the body to use ____ (proteins, lipids, carbohydrates) for energy and building materials, the food
must first be digested into molecules that are ____ and ____ to cells.
Food; absorbed; transported
What are the products of photosynthesis?
Light (energy) + Co2 + H2O = C6H12O6 + O2
What happens during photosynthesis?
Light energy is absorbed by chlorophyll, then converted to sugars and oxygen.
How does photosynthesis benefit heterotrophs?
It creates the food they eat.
What happens during cellular respiration?
Oxygen and glucose broken down.
The stage of respiration that releases most of the energy in glucose occurs in the ____?
Mitochondria
