Question

pla answer


3 Answer:
Which of the following is "not" a function of the cell membrane?
a. allows the cell to change shape under pressure
b. helps substances pass from the cytoplasm into the nucleus
c. keeps material within the cell separated from the environment
outside the cell
d. helps control the movement of materials into and out of the cell
4 Answer:
The structure that has pores that allow materials to pass in and out
of the nucleus is the
a. nuclear membrane.
b. chromosome.
c. endoplasmic reticulum.
d. ribosome.
5 Answer:
Which structures pass on the traits of the cell to new cells?
a. chromosomes
b. endoplasmic reticula
c. mitochondria
d. ribosomes
6 Answer:
A group of organs that work together to perform certain functions
is called a (an)
a. tissue.
b. cell.
c. organism.
d. system.
7 Answer:
Which of the following statements does "not" describe mitosis?
a. a process by which the cells of an organism reproduce to form
exact copies of one another
b. a process by which a male sex cell and a female sex cell combine
c. a process that produces two identical daughter cells
d. a complex process that occurs in many stages
8 Answer:
Which of the following is "not" an organism?
a. a bacterium
b. a heart
c. a cactus
d. a whale
9 Answer:
The highest level of organization of all living things is the
a. cell.
b. organism.
c. system.
d. organ.
10 Answer:
The epidermis that covers the leaves and stems of plants is an
example of a (an)
a. cell.
b. organ.
c. system.
d. tissue.
11 Answer:
The more active a cell is, the more of these structures it has.
What are these structures?
a. ribosomes
b. chromosomes
c. mitochondria
d. vacuoles
12 Answer:
Which structure is nicknamed the "powerhouse" of the cell?
a. cell membrane
b. chromosome
c. mitochondrion
d. ribosome
13 Answer:
A structure that acts as a storage tank for the cell is the
a. nuclear membrane.
b. cytoplasm.
c. mitochondrion.
d. vacuole.
14 Answer:
What structures are the main water-storage areas in plant cells?
a. chromosomes
b. mitochondria
c. vacuoles
d. ribosomes
15 Answer:
In what cell process do lysosomes take part?
a. protein synthesis
b. transport of molecules
c. excretion
d. digestion
16 Answer:
Which of the following best defines the phrase "division of labor"?
a. arrangement of parts within a living thing
b. each part of an organism has a specific job to perform
c. organisms grown, divide, and grow some more
d. cells that are similar in structure and function joined together
17 Answer:
Groups of different tissues working together to do a job are called
a. cells.
b. tissue groups.
c. systems.
d. organs.
18 Answer:
The proper order for the five basic levels of organization within
living things is
a. tissues, cells, organs, organisms, systems.
b. cells, organs, systems, tissues, organisms.
c. cells, tissues, organs, systems, organisms.
d. organs, systems, tissues, organisms, cells.
19 Answer:
A structure that uses the energy of the sun to make food for a plant
cell is the
a. mitochondrion.
b. vacuole.
c. chloroplast.
d. nucleolus.
20 Answer:
If you opened a bottle of perfume in a closed room, you would
eventually be able to smell the perfume. What process does this
demonstrate?
a. mitosis
b. osmosis
c. diffusion
d. metabolism
21 Answer:
The movement of water molecules from an area of greater
concentration of water to an area of lesser concentration of
water is called
a. diffusion.
b. meiosis.
c. metabolism.
d. osmosis.
22 Answer:
Which of the following is made up mainly of RNA and is the
protein-making site of the cell?
a. endoplasmic reticulum
b. mitochondrion
c. vacuole
d. ribosome
23 Answer:
The microscopic unit of structure and function of all living
things is the
a. molecule.
b. tissue.
c. cell.
d. chromosome.
24 Answer:
Which of the following contains tissues?
a. stomach
b. cells
c. clothes
d. hair
25 Answer:
Which of the following groups makes up a system?
a. cell membrane, nucleus, cytoplasm
b. stomach, eyes, ears
c. heart, blood vessels, capillaries
d. food molecules, mouth, stomach










ist for brainlt U HAVE TO KNOW THE ANSWER

Answer 1

6. chromosomes

7. system

8. heart

Answer 2

Answer:

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