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(image is there) how does the cell wall contribute to the function of the plant cell?
a
the cell wall creates and provides energy.
b
the cell wall stores and distributes dna.
c
the cell wall sorts and packages proteins.
d
the cell wall provides strength and rigidity.
the lowest level of organization in an organism is
a
an organ because organs work together in organ systems.
b
a tissue because tissues compose larger units such as organs.
c
an organ system because organ systems engage in critical functions.
d
a cell because cells are the independent units that make up the whole.
which of the following best identifies a way in which organs in an organism are similar to organelles in a cell?
a
both are made of tissues.
b
both carry out specific functions.
c
both carry out chemosynthetic reactions.
d
both are found in single-celled organisms.
which organelle in a plant cell captures radiant energy from the sun?
a
chloroplast
b
mitochondrion
c
ribosome
d
nucleus
mitchell created a diagram to describe the levels of organization within a multicellular organism, in order from smallest to largest.(the image is there) which mistake did mitchell make in his diagram?
a
mitchell did not correctly describe tissues.
b
mitchell reversed the order of tissues and organs.
c
mitchell did not correctly describe organ systems.
d
mitchell reversed the order of organ systems and organisms.
the box lists three terms.
• genetic material
• chromosome
• gene
all of these are located
a
in a cell's membrane.
b
in a cell's nucleus.
c
in the brain, only.
d
in the blood, only.
which statement best describes the relationship between inherited traits and genes?
a
an individual's inherited traits are determined by genes, which are located inside a person's chromosomes.
b
an individual's inherited traits are based on a person's environment, and the traits change over time.
c
inherited traits are determined by a person's health and nutrition.
d
inherited traits are determined only by a person's maternal parent.
which of the following is not one of the main components of the cell theory?
a
all cells produce their own food for survival
b
cells come from pre-existing cells
c
cells are the smallest units of life
d
all organisms are made out of one or more cells
which form of technology was essential for the development of the cell theory?
a
telescope
b
microwave
c
microscope
d
goggles
in a cell, gene mutations affect
a
the production of carbohydrates
b
the production of lipids
c
the production of cytoplasm
d
the production of proteins