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Biology 1
Biology 2
Biology 3
Biology 4
Biology 5
100
Which characteristic do all prokaryotes and eukaryotes have in common? a) the ability to store genetic information in the chromosomes b) the ability of organelles to regulate and control cell processes such as diffusion, photosynthesis, and protein synthesis c) the ability to undergo cellular respiration to release energy from nutrients d) the ability to respond to stimuli by moving
What is a) the ability to store genetic information in the chromosomes?
100
Which of the following best describes how the Golgi Apparatus prepares proteins for use by an organism? a) the Golgi apparatus sorts proteins and sends them to their appropriate destination in the cell b) the Golgi apparatus translates the genetic code into the amino acids that form the proteins c) the Golgi apparatus builds RNA codons that instruct protein formation d) the Golgi apparatus folds, processes, assembles, and stores proteins
What is d) the Golgi apparatus folds, processes, assembles, and stores proteins
100
Carbon is able to form four bonds with other molecules. Which statement below describes why this property of carbon allows it to form the background of macromolecules? a) carbon forms only short, simple chains b) carbon forms a diverse group of large molecules c) carbon forms covalent bonds that only exist in a single place d) carbon forms covalent bonds with other carbon atoms
What is d) carbon forms covalent bonds with other carbon atoms?
100
How does the green pigment chlorophyll help a plant cell perform its job? a) by absorbing minerals in the soil b) by releasing the products of photosynthesis c) by converting solar energy into chemical energy d) by transporting water from plant roots into plant cells
What is c) by converting solar energy into chemical energy?
100
Which membrane structure feature is composed of a hydrophobic region that acts as the primary barrier to most foreign substances? a) protein b) phospholipid molecules c) cholesterol d) carbohydrates
What is b) phospholipid molecules?
200
A bacterial cell is an example of a prokaryote while a paramedium (protist) is an example of a eukaryote. Which structure is present in both prokaryotes and eukaryotes? a) a nucleus that regulates cellular processes b) mitochondria that releases energy from food c) a cell membrane that separates the inner contents of the cell from the outside environment d) a cell wall that maintains a rigid outer barrier for the cell
What is c) a cell membrane that separates the inner contents of the cell from the outside environment?
200
Which statement best describes the cells of a dog? a) the cells arrange to directly form tissues b) the cells combine to directly form organelles c) the cells group together to directly form an organism d) the cells work together to directly form organ systems
What is a) the cells arrange to directly form tissues?
200
Body systems are involved in the breakdown of nutrients to release ATP. Which of the following symptoms are directly involved in the synthesis of fats in humans? a) digestive and excretory systems b) muscular and immune systems c) circulatory and digestion systems d) circulatory and reproductive systems
What is c) circulatory and digestion systems?
200
When energy is transferred from the sun to land ecosystems, which molecule is the first responsible for storing the energy? a) lipids b) nucleic acids c) glucose d) protein
What is c) glucose?
200
Why do some transport proteins allow glucose in but rejects fructose (an isomer)? a) transport proteins work on the basis of diffusion b) transport proteins are selective for a specific molecule c) transport proteins permit passage of similar molecules d) transport proteins allow passage of hydrophobic molecules
What is b) transport proteins are selective for a specific molecule?
300
Fish, frogs and plankton are some organisms found in a pond. Which characteristics of life do these pond organisms have in common? a) they only live in water b) they are producers and are capable of making their own food c) they require energy to live d) they acquire air through organs known as gills
What is c) they require energy to live?
300
Which sequence represents the correct order of levels of organization found in a complex organism? a) cells --> organelles --> organs --> tissues --> organ systems b) tissues --> organ systems --> organs --> organelles --> cells c) organelles --> cells --> tissues --> organs --> organ systems d) organs --> organelles --> cells --> tissues --> organ systems
What is c) organelles --> cells --> tissues --> organs --> organ systems?
300
Carbohydrates and proteins are two types of organic polymers. Which characteristics of proteins distinguishes them from carbohydrates? a) the ability to store large quantities of genetic information b) the ability to act as a catalyst for biochemical reactions c) the ability to store chemical energy d) their tendency to make cell membranes hydrophobic
What is b) the ability to act as a catalyst for biochemical reactions?
300
The leaves of plants containing openings known as stomata. These allow the exchange of gases and moisture evaporation when open. They also help move water from the roots into the plant cells. All of these activities are essential to the plant? a) maintaining homeostasis b) producing solar energy c) breaking down wastes d) creating food
What is a) maintaining homeostasis?
300
Which cellular structure surrounds large particles when they are brought into a cell by phagocytosis? a) vacuole b) cytoplasm c) nucleus d) golgi apparatus
What is a) vacuole?
400
Studies of adipose (fat) cells and glandular cells show that adipose cells have fewer mitochondria than glandular cells. A biologist would likely infer that adipose tissue a) does not require any energy for cellular processes to occur b) needs the same amount of energy as glandular cells c) requires less energy than glandular tissue d) requires more energy than glandular tissue
What is c) requires less energy than glandular tissue?
400
The human liver and muscles contain cells that: a) produce hormones involved in the release of energy from food b) contain the same DNA that leads to unique functions in each cell c) use only some of the genetic information to produce enzymes needed by the cell d) contain different amounts of DNA molecules
What is b) contain the same DNA that leads to unique functions in each cell?
400
What type of macromolecule is capable of being artificially synthesized? a) protein b) lipid c) nucleic acid d) carbohydrate
What is b) lipid?
400
Most reactions, such as dehydration synthesis requires energy to build macromolecules. Which of the following represents a usable form of energy for the cell? a) RNA b) Starch c) Sunlight d) ATP
What is d) ATP?
400
Which situation is NOT an example of homeostatic maintenance in an organism? a) humans release the hormone insulin after a meal to lower blood glucose levels b) guard cells on a leaf close in response to excess water c) water rapidly exits a single cell organism, causing it to shrink d) a dog pants while in the sun on a hot day
What is c) water rapidly exits a single cell organism, causing it to shrink?
500
Large eukaryotic organisms such as animals contain trillions of cells. Nervous system cells are essential to the maintenance of homeostasis in animals because they enable a) communication among cells b) transportation of nutrients to muscle tissue c) regulation of reproductive processes within other tissues d) the exchange of gases within lung tissue
What is a) communication among cells?
500
Many marine organisms are able to survive freezing winters in their habitat. Which property of water described below explains how these organisms can withstand extreme temperature conditions? a) water bonds with substances that it cannot dissolve b) water is capable of absorbing large quantities of energy without significantly changing its temperature c) water, at room temperature, is able to exist as a liquid, solid, and gas d) water, as a polar molecule, is able to dissolve a large variety of substances
What is b) water is capable of absorbing large quantities of energy without significantly changing its temperature?
500
Enzyme catalysis dramatically decreases when there are changes in the pH of its environment. Which statement accurately describes the effect of this change? a) a pH change can decrease the amount of activation energy needed to start a reaction b) a pH change can add new side groups to the structure of the enzyme c) a pH change can change the shape of the enzyme d) a pH change can cause an enzyme to react with a new substrate
What is c) a pH change can change the shape of the enzyme?
500
The plasma membrane is responsible for which set of functions listed below? a) production of proteins, cellular respiration, break down of food molecules b) replication of DNA, production of enzymes, control of cell division c) cellular transport, protection, recognition of cellular messages d) production of ATP molecules, control of cell division, synthesis of proteins
What is c) cellular transport, protection, recognition of cellular messages?
500
Mitochondria contain an inner folded membrane called a cristae. Which statement best describes how this structural feature of a mitochondria allows it to function properly? a) it increases the surface area of the mitochondria, allowing for more energy production b) it increases the volume of the mitochondria, allowing more digestion of food c) it increases the ability of the mitochondria to photosynthesize d) it increases the amount of material that can be transported across the membrane
What is a) it increases the surface area of the mitochondria, allowing for more energy production?