Keystone Questions For Biology Test
Which statement is true for all prokaryotic and eukaryotic organisms?
Both types of organisms assemble proteins through transcription and translation.
Which statement best describes a relationship between mitochondria and chloroplasts?
Chloroplasts convert light energy into chemical energy that can be used by mitochondria.
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
Which are true about carbohydrats?
Simple sugars are sugars like monosaccharides and a main function is energy.
Which of the following are true with regards to proteins?
Structure is a critical proper function, enzymes are made of proteins, and the monomer subunits of proteins are amino acids.
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 protein that can help attract other organisms for pollination .
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.
True or False? Carbohydrats are made of the elements carbon, hydrogen, and oxygen often in a 1:2:1 ratio.
True
Which action is prevented by the plasma membrane?
Unlimited flow of water into or out of the cell
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
Which of the following is/are NOT a property of water?
good solvent
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
