____________ help organize chromosomes during mitosis in animal cells.
centrosomes
_________ digests excess or worn-out cell parts, food particles, and invading viruses or bacteria.
lysosomes
The movement of a substance through the cell membrane that requires energy to occur would be known as ____________ transport.
active
passive
osmosis
diffusion
Which of the following is one of the reactants (or ingredients) needed for photosynthesis?
all of these
carbon dioxide
glucose (sugar)
oxygen
Which organelle helps the cell maintain homeostasis by controlling what enters and exits the cell?
cell membrane
Organisms that DO NOT have membrane-bound organelles include _____________________.
prokaryotes
A _________ is the smallest unit of life.
cell
_______________ are used for energy storage, protective membranes, and communication.
Lipids
Photosynthesis occurs in which cell organelle?
chloroplasts
Organisms that are generally single-celled include: _____________________.
prokaryotes
Which of the following macromolecules best describes these functions: communication, transport, chemical breakdown of substances, structural support.
Proteins
Organisms that are made up of more than one cell include: _____________________.
eukaryotes
In cellular respiration, what happens to carbon dioxide that is produced?
it gets exhaled out of our bodies
Organisms that DO NOT have a nucleus includes: _____________________.
prokaryotes
The __________ is a firm, protective structure/barrier that gives the cell its shape in plants, fungi, most bacteria, and some protists.
cell wall
The ________________ produces a usable form of energy for the cell to use through a process called cellular respiration.
mitochondria
The purpose of cellular respiration is to _____________________.
make ATP
Humans, dogs, cats, and trees would be examples of _______________ organisms.
none of these
Unicellular
Autotrophic
Multicellular
Organisms that have DNA include: _____________________.
both prokaryotes & eukaryotes
Which of the following processes uses carrier proteins or channel proteins to move materials from areas of high contentration to low concentration?
Facilitated Diffusion
Diffusion
Osmosis
Endocytosis
Organisms that DO have a nucleus includes: _____________________.
eukaryotes
Which of the following is NOT one of the parts of the cell theory?
All cells come from pre-existing cells
All living things are made up of one or more cells
The cell is the smallest unit of life
none of these
____________ are small bumps located on the endoplasmic reticulum and its function is to make proteins.
ribosomes
The ____________ is a large membrane bound, storage sac found mostly in plant cells.
vacuole
______________ contain chlorophyll, a green pigment that traps energy from sunlight to make food, and gives most plants their green color.
chloroplasts
Which of the following is NOT a reason why water is important to all life?
none of these
Macromolecules need water in order to work.
Water makes up more than 70% of a cell’s volume
Water helps insulate our bodies; helps maintain homeostasis
Photosynthesis produces ____________ while cellular respiration releases ___________.
all of these
carbon dioxide, oxygen
ATP, water
oxygen, carbon dioxide
The ___________ is the clear fluid inside of the cell; holds organelles in place and helps control movement of materials within the cell.
Cytoplasm
_____________ are the organisms that undergo photosynthesis
plants; some bacteria - but NOT animals
The _____________ is made up of microtubules and microfilaments; provides a highway for materials to move within the cytoplasm of the cell.
cytoskeleton
___________ contain genetic information.
Nucleic Acids
The site where ribosomes are made is known as the __________________.
nucleolus
The _____________________ is a folded membrane that forms a network of interconnected compartments in the cytoplasm; can be classified as rough or smooth.
Endoplasmic Reticulum
The ______________ modifies proteins chemically, then repackages them to distribute the proteins in vesicles around the cell.
Golgi apparatus
Name an active transport process
endocytosis or exocytosis
Name the locations of cellular respiration
main site = mitochondria; other place is cytoplasm (glycolysis)
What is the relationship between photosynthesis and cellular respiration?
they are opposite reactions
_____________ takes in materials for the cell to use while using cellular energy.
Endocytosis
The organelle that manages cell functions in eukaryotic cells/contains the genetic information used to make proteins is known as the _________________.
nucleus
Which of the following gases is needed for cellular respiration to occur?
water
glucose
carbon dioxide
oxygen
In cellular respiration, what gets broken down?
glucose (sugar)
water
oxygen
carbon dioxide
Name a form of passive transport
diffusion, osmosis, or facilitated diffusion
_____________ are used for energy storage, structural support, and communication.
Carbohydrates
_____________ removes materials for the cell while using cellular energy.
Exocytosis
______________ is what happens when there’s not enough oxygen present in cells to break down food molecules to produce ATP.
fermentation
Organisms that DO have membrane bound organelles include: _____________________.
eukaryotes
Your experience on this site will be improved by allowing cookies.