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WorksheetsCells 2.1 Final Review
Total questions: 12
Worksheet time: 6mins
Which of the following organisms are mostly prokaryotes?
bacteria
animals
plants
fungi
This organelle is found in plant cells. The function of this organelle is to collect solar energy and use this to produce food, or glucose, for the plant. This organelle is the _____________.
mitochondria
leucoplast
chloroplast
golgi body
All organic compounds contain the element?
nitrogen
carbon
calcium
sodium
A person starts to eat a hamburger. As she takes a bite and chews, an enzyme called salivary lipase helps to begin the process of fat digestion. Which of these is the BEST description of the role of enzymes during digestion?
Enzymes are proteins that speed up the process of chemically breaking down food molecules.
Enzymes moisten food to help teeth in the mechanical process of grinding and chewing.
Enzymes are cells that secrete saliva and other necessary substances needed for digestion.
Enzymes are acids that physically break down food molecules.
Long chains of amino acids are found in...?
carbohydrates
lipids
sugars
proteins
Both prokaryote and eukaryote cells have this structure. It helps maintain homeostasis and is a boundary between the inside of the cell and the outside environment. It is the ______.
nucleus
cell membrane
cytoplasm
cell wall
Unfinished proteins transported from the ER are processed and packaged in the cell's_____________?
nucleus
smooth ER
ribosomes
golgi body
Reusable, complex proteins that promote chemical reactions within cells are called …
enzymes
inhibitors
regulators
steroids
Nucleic acids are made up of _______________.
monomers of phosphates
monomers of sugar
fatty acid tails
alternating nucelotides
Which structure stores the DNA needed for cell reproduction?
in the nucleus
in the chlorplasts
in the cytoplasm
in the mitochondria
Unlike a eukaryotic cell, a prokaryotic cell lacks?
DNA and cytoplasm
cell wall and cell membrance
ribosomes and energy propelled flagella
nucleus and membrane-bound organelles
During the digestion of foods, large molecules are broken down into smaller molecules. For
example, starch, a complex polysaccharide, can be directly broken down into _______________.
amino acids
fatty acids.
fatty acids.
simple monosaccharides.
