MP2 Science Final
In which cell structure is energy extracted from nutrients?
mitochondrion
Which two processes are most directly represented in this diagram?
molecule transport and energy use
Mitochondria provide ribosomes with
ATP for protein synthesis
Which statement best describes these sugar and fat molecules?
Energy for life processes can be stored within the chemical bonds of both molecules.
Which statement is most likely correct regarding soil bacteria that inhabit the polar regions of Earth?
They contain enzymes that function at low temperatures
Chemicals that help chemical reactions occur at faster rates in living organisms are known as
Organic catalysts
Which structures are found in every living cell?
Plasma membrane and cytoplasm
What will happen to red blood cells when they are placed in a beaker containing a water solution in which the salt concentration is much higher than the salt concentration in the red blood cells?
The red blood cells will lose water and decrease in size.
The arrow indicates that the cell membrane is carrying out the process of
active transport
The substance represented by the scissors shown cutting the DNA is
an enzyme
This increase in mass comes mostly from
carbon dioxide that enters through the leaf openings
Bacteria and humans are similar in that they both
contain genetic material
After 20 minutes, the section of paper towel connecting the two beakers had turned color. The towel most likely turned green as a result of the
diffusion of the blue- and yellow-dyed water across the towel
Water is classified as an inorganic compound because it
doesn't contain carbon
Sometimes these disorders can be treated by giving the affected individual the appropriate amount of
enzymes
The best explanation for the change in catalase activity as the pH changed from 7 to 3 is that
in acidic solutions, the shape of catalase changes, causing the reaction rate to decrease
Plants, animals, and bacteria are all
in different kingdoms
The function of a specific enzyme is most directly influenced by its
physical shape
Which group consists entirely of organic molecules?
protein, starch, fat
In the cartoon below, how would the organism on the couch be classified?
protists
Which technique could be used to make the structures in the cells more visible when using a compound light microscope?
staining
Identify one molecule, present in this setup, that will be able to pass through the dialysis tubing.
starch indicator/iodine or water.
In single-celled organisms, materials are stored primarily in
vacuoles
Most of the chemical reactions occurring in a living cell depend on the presence of an inorganic compound known as
water
Which substance is an inorganic molecule
water
The function of which cell part is most similar to that of the human excretory system?
Cell membrane
Viruses are able to invade cells after first attaching to their
Cell membrane
In order to meet its energy needs, it (amoeba) relies directly on the interaction of which cell structures?
Cell membrane and mitochondria
The type of organic molecule that is being synthesized is
Protein
Which statement describes starches, fats, proteins, and DNA?
They are complex molecules made from smaller molecules