biology past test
Which statement best describes how antibiotics affect cellular homeostasis?
Antibiotics interfere with the transport of intracellular and extracellular materials
Which characteristic allows carbon atoms to form chains and rings with other carbon atoms?
Carbon can form four covalent bonds
Which statement best describes a relationship between mitochondria and chloroplasts?
Chloroplasts convert light energy into chemical energy that can be used by mitochondria
The presence of a specific trait is genetically inherited There are only two possible outcomes for this trait: an individual either inherits the trait or does not inherit the trait Which statement best describes how parents influence this trait?
Each parent contributes one allele for this trait
The title of the diagram is, Cellulose Model The diagram shows a chain consisting of multiple three part sequences of a rectangle connected to a hexagon connected to the letter "O" There are six rectangles, six hexagons, and five "Os" shown Cellulose is a carbohydrate and a polymer of glucose Which statement best describes how cellulose is formed within living organisms?
It is constructed by connecting smaller monomer subunits
Which statement describes one difference between mitosis and meiosis in animal cells?
Mitosis produces two daughter cells, and meiosis produces four daughter cells
Which statement best describes the process by which the millions of body cells that form a housefly can all contain the same genetic information?
Original DNA is duplicated during replication and then distributed into two new cells
Many plants have a waxy coating on their leaves Which statement describes the most likely structure and function of the waxy coating?
The waxy coating is a lipid that can help prevent excess water loss in dry environments
Most prokaryotes and eukaryotes maintain a reserve of ATP Which feature of prokaryotes and eukaryotes makes the ATP reserve necessary?
They use energy to function
The enzyme pepsin is found in the stomach Which medicine is most likely to directly interfere with pepsin's function?
a medicine that affects pH
Which process uses the products of photosynthesis as reactants?
cellular respiration
Which structure and function are common to all plants and some protists and distinguish them from all animals?
chloroplasts that conduct photosynthesis
Which transport mechanisms require the formation of a vesicle to transport material into or out of a cell?
exocytosis and endocytosis
The Golgi apparatus is broken down during mitosis and then reformed Which function would a cell be unable to perform during the time that its Golgi apparatus is broken down?
processing and packaging proteins for cellular export
The function of which human organ is most like the cell walls of bacteria?
skin
Which action is prevented by the plasma membrane?
unlimited flow of water into or out of the cell