Midterm Questions Question Preview (ID: 26846)


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Energy released from ATP
a) contains five phosphate groups
b) drives most of a cells activities
c) is found only in bacteria
d) All of the above

Based on the cycle of photosynthesis and cellular respiration, one can say that the ultimate original source of energy for al living things on Earth is
a) Carbohydrates
b) water
c) the sun
d) carbon dioxide

The process in which plants capture energy and make organic molecules is known as
a) homeostasis
b) evolution
c) photosynthesis
d) development

Light energy is converted to chemical energy through the process of
a) cellular respiration
b) fermentation
c) photosynthesis
d) glycolysis

The name of the process that takes place when organic compounds are broken down in the absence of oxygen is
a) respiration
b) oxidation
c) fermentation
d) All of the above

Most of the energy used by life on Earth comes from
a) the sun
b) the rotation of the Earth
c) the moon
d) None of the above

Many autotrophs obtain the energy they need for metabolism through
a) fermentation
b) photosynthesis
c) cellular respiration
d) eating food

Mitosis is the process by which
a) microtubules are assembled
b) cytoplasm is divided
c) the nucleus is divided into 2 nuclei
d) the cell rests

The synthesis (S) phase is characterized by
a) DNA replication
b) cell division
c) replication of mitochondria
d) the division of cytoplasm

Cells produce ATP most efficiently in the presence of
a) water
b) carbon dioxide
c) oxygen
d) glucose

Chemical energy stored in food molecules is released through
a) fermentation
b) photosynthesis
c) cellular respiration
d) None of the above

Chlorophyll is green because
a) it absorbs green wavelengths of light
b) it absorbs blue and yellow wavelengths, which make green
c) it reflects green wavelengths of light
d) of an optical illusion caused by transmitted light

A cell that requires a lot of energy might contain large numbers of
a) chromosomes
b) vacuoles
c) mitochondria
d) lysosomes

The organelles associated with plant photosyntheses are the
a) mitochondria
b) chloroplasts
c) Golgi apparatus
d) vacuoles

When a phosphate group is removed from an ATP molecule
a) energy is released
b) an enzyme is formed
c) energy is stored
d) activation energy is increased

Homeostasis means
a) a change over a long period of time
b) maintaining a stable internal environment
c) rapid change
d) the same thing as evolution

Fermentation enables glycolysis to continue under
a) anaerobic conditions
b) aerobic conditions
c) photosynthetic conditions
d) none of the above

In a cell, proteins are made of the
a) ribosomes
b) mitochondria
c) nucleus
d) cell membrane

The structure that regulates what enters and leaves the cell is the
a) nucleus
b) cell wall
c) nuclear membrane
d) cell membrane

Energy is required for a variety of life process including
a) growth and reproduction
b) movement
c) transport of materials across the cell membrane
d) all of the above

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