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the smallest unit that can carry out all activit...
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Will give brainliest no spam answers.
the smallest unit that can carry out all activities necessary for life is the
atom
element
cell
nucleus
which part of the microscope supports a side that contains the viewed specimen?
the eye piece
the low-power objective
the stage
the base
which correctly describes a way that an organism obtains energy?
cells organizing to form tissue
plants using sunlight to make food
a caterpillar developing into a butterfly
a person shivering in the cold
which of the following pairs of terms is related?
(select all that apply.) there is more then one right answer
vacuoles β transport
nucleus β control
cell wall β protect
mitochondria β decompose
why is the cell membrane described as being selectively permeable?
it allows only water to enter the cell.
it allows nothing to enter or exit the cell.
it allows anything to enter and exit the cell.
it allows needed materials to enter the cell and wastes to leave the cell.
the following shows the order of organization in multicellular organisms.
cell, organ, tissue, organ system
explain why the order is incorrect.
organ system is the first level of organization.
cell is the last level of organization.
organ comes after organ system.
tissue comes before organ.
study the graph
which correctly describes what the solid line indicates?
a chemical reaction with high activation energy because no enzyme is present
a chemical reaction with low activation energy because an enzyme is present
a chemical reaction with high activation energy because an enzyme is present
a chemical reaction with low activation energy because no enzyme is present
which describes what happens when enzymes are added to a chemical reaction?
(select all that apply.) there is more then one correct answer
the enzymes are used up.
the chemical reaction is stopped.
the chemical reaction is sped up.
the activation energy is lowered.
which correctly describes the function of carrier proteins?
act as a barrier between the cell and its surroundings
move substances from one side of the cell membrane to the other
transmit information from outside the membrane into the cell
give each type of cell a unique identity
a(n) will bind to the of an enzyme so the chemical reaction can occur.
substrate; product
enzyme; substrate
substrate; active site
product; reactant
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