What is common to all cells?
A) All cells have a cell wall
B) All cells are photosynthetic
C) All cells divide to form new cells D) All cells have a nucleus
All cells divide to form new cells
Which sequence of terms is in the correct order from simplest to most complex?
A) cells ® tissues ® organs ® organ systems B) tissues ® organisms ® cells ® organ systems C) cells ® tissues ® organ systems ® organs
D) organs ® organisms ® organ systems ® cells
cells ® tissues ® organs ® organ systems
Which statement is not a part of the cell theory?
A) Cells are the basic unit of structure of living things.
B) Cells are the basic unit of function of living things.
C) Cell parts such as chloroplasts are self-replicating.
D) Cells come from preexisting cells.
Cell parts such as chloroplasts are self-replicating.
To what would the phrase "is not a cell but has the ability to reproduce within a living cell" best
A) an alga
C) a bacterium
B) a yeast
D) a virus
a virus
The cell theory states that
A) all cells have nuclei that contain genetic information
B) living organisms are composed of cells that arise from preexisting cells
C) all cells regenerate and contain the same basic structures
D) organisms that lack certain organelles reproduce by binary fission
living organisms are composed of cells that arise from preexisting cells
Viruses are considered an exception to the cell theory because they normally reproduce
A) by binary fission
B) only in a host cell
C) sexually by forming seeds D) asexually by forming spores
only in a host cell
On a hot day, dogs sweat through their paw pads and pant, which helps keep them cool. Both the sweating and panting are
A) due to a loss of oxygen
B) a failure of cell communication
C) due to a lack of adaptation to the environment D) a response to a stimulus
a response to a stimulus
Riding a bicycle requires balance and constant adjustment and monitoring by the rider in order to continue cycling. Successfully riding a bicycle most directly results from the ability to
A) sexually reproduce
B) grow and develop
C) detect and respond to change D) metabolize food for energy
detect and respond to change
A change that initiates an electrochemical message along a neuron is known as
A) an effector B) a stimulus C) a response D) an impulse
a stimulus
A culture of paramecia was placed on a slide and viewed with the light microscope. A salt crystal was placed in the culture on the slide and the paramecia were observed again. The paramecia backed up and moved away each time they approached the salt crystal. The paramecia's reaction to the salt crystal is an example of a
A) stimulus B) chemical impulse C) response D) reflex arc
response
The life function of transport in an organism directly involves those activities used to
A) absorb and distribute materials
B) obtain and hydrolyze materials C) release energy from food
D) produce cellular waste products
absorb and distribute materials
Which statement best describes cellular respiration?
A) It occurs in animal cells but not in plant cells.
B) It converts energy in food into a more usable form.
C) It uses carbon dioxide and produces oxygen.
D) It stores energy in food molecules.
It converts energy in food into a more usable form.
Energy drinks have become increasingly popular. Some of these drinks contain large amounts of caffeine, which is known to increase heart rates in most individuals. This effect on the heart rate can be dangerous because it can lead to
A) a disruption in the absorption of starch B) an increase in blood volume
C) a decrease in oxygen levels
D) an imbalance in homeostasis
an imbalance in homeostasis
Which term is defined as all the chemical reactions
that are required to sustain life?
A) metabolism B) nutrition C) regulation D) synthesis
metabolism
The disease known as malaria may result in a fever, a decrease in red blood cells, and an enlarged liver and spleen. These symptoms are evidence of
A) a disruption of homeostasis
B) a decrease in allergic reactions
C) an increased number of cell organelles D) hormone destruction
a disruption of homeostasis
Which life function is not necessary for an individual organism to stay alive?
A) nutrition B) reproduction C) regulation D) excretion
reproduction
Bumblebees show some ability to control their own body temperature. During cold weather, bumblebees have been observed warming their flight muscles by shivering. The bees are able to maintain a body temperature several degrees above that of the surrounding air. Regulation of their internal body temperature is an example of
A) diffusion B) synthesis
C) respiration D) homeostasis
homeostasis
Which statement best illustrates the life process of growth?
1) A dog consumes a bowl of food.
2) An ameba moves away from bright light.
3) A bean seed germinates.
4) Two monosaccharides are formed from a disaccharide.
A bean seed germinates.
The life function responsible for the coordination and control of all life activities in an organism is known as
A) regulation B) reproduction C) excretion D) nutrition
regulation
Respiration is best described as a process by which
1) necessary nutrients are circulated
2) hydrogen is used to synthesize glucose
3) metabolic wastes are absorbed
4) chemical energy is converted into a usable form
chemical energy is converted into a usable form