biology study guide
During cellular respiration what transports pyruvate into the mitochondria, also know as the final electron acceptor
CO2 NADH O2 H2O
The net effect of photosynthesis, chemically, is reduction, leading to the formation of which products?
CO2 & carbohydrates CO2 & protien O2 & Carbohydrates O2 & ATP
Light initiates different types of cellular reactions. Which of the following responses to light converts the energy from light into potential, ususable energy?
Cellular respiration photosynthesis protien synthesis glycolysis
What organelle traps sunlight in plants
Chloroplast Mesophyll Central Vacuole Mitochondria
The golden jackal and tiger are an example of which type of symbiosis
Commensalism Mutualism Competition Parasitism
Bees and flowers are a classic example of which type of symbiosis
Commensalism Parasitism Competition Mutualism
A colony of sea lions on a San Diego beach is an example of a
Community Population Ecosystem biome
Cellular respiration occers in the
Cytoplasm Endoplasmic reticulum Chloroplast Mitochondria
Genetic information is transferred from the nucleus to the cytoplasm by way of
DNA Electron carriers Meiosis / Mitosis RNA
The molecule of inheritance in all living things is
DNA RNA Pyruvate Carboxylic acid
What is the movement of water only from an area of low solute concentration to an area of high solute concentration
Diffusion Osomosis Facilitated diffusion Bulk Transport
What is the bodys preffered state of rest or comfort, regulated by positive and negative mechanisms
Equilibrium Homeostasis Plasmolysis Metabolism
Atoms are said to be reactive when they
Explode Have the maximum number of electrons in their valence shell Dont have the maximum number of electrons in their valence shell Receive a push of energy
During which stage of the cell cycle does DNA replication occur
G1 S G2
The functional unit of heredity is the
Gene Chromosome Atom cell
Which of the following is characteristic of asexual reproduction
Gentically identical offspring Union of gametes Offspring with traits from both parents Genetic variation
In cellular respiration, which stage produces the majority of ATP
Glycolysis Krebs cycle Calvin Cycle ETC
There are two types of cells, eukaryotic and prokaryotic. Which of the following is found in both types of cells
Golgi apparatus DNA Cell wall Chloroplast
This term means water loving and allows or complete dissolution of a substance
Hydrophobic Hydrophilic Dissolution Osmosis
Where is the energy of molecules stored
In the chemical bonds In the atoms In the nutrons In the protons and neutrons
In meiosis when is genetic variation first introduced into the system
Interphase anaphase metaphaase prophase
What is the name given to specialized structures within cells responsible for carrying out specific functions
Intracellular matrice Organs Organelles Apparatus
A cell uses which of the following to accelerate chemical reactions enabling its metabolic machinery to operate?
Lipids Centrosomes Carbohydrates Enzymes
Genes are located in the ( blank) within the cytoplasm of the cell
Mitochondria Nucleus Nucleolus Ribosomes
Which of the following is a characteristic of prokaryotic cells
Nucleus Membrane bound organelles Larger size Circular DNA
What is the term for the movement of molecules from an area of high concentration to low concentration
Osmosis Diffusion Active transport Bulk transport
Nile crocodiles and Egyptian Plovers are an example of which type of symbiosis
Parasitism Commensalism Mutualism
Dogs and flees are an example of which type of symbiosis
Parasitism Commensalism Mutualism Predation
Cell membrances are compsed mainly of which type of lipid
Phospholipds Steroids Oils Waxes
Which of the following is not a metabolic sequence or pathway?
Photosynthesis Respiration DNA replication Digestion
In genetics, what term describes the exrpression of an individuals genetic makeup
genotype phenotype allele gene expression
All of the following are similarities between unicellular and multicellular organisms, except
internal complexity division of labor reproduction size
A type of cellular reprodution that occurs only in somatic or body cells
meiosis sexual mitosis cell cycle
A type of cellular reproduction that occurs only in the gametes
mitosis meiosis asexual binary
Movement against a concentration gradient is called
passive transport Active transport
A cell membrane is
permeable semi permiable impermeable none are correct
Which of the following is NOT a major class of biomolecules
protiens carbohydrates lipids vitamins
you have learned something this year in biology
yes no
How many daughter cells result from mitosis
12 6 3 2
What is the maximum number of electrons that may occupy the valence shell of an atom
2 6 4 8
How many hydrogen bonds esist between Guanine and Cytosine In DNA
3 4 2 1
How many chromosomes does an individual person have
46 23 48
How many hydrogen bonds exists between Adenine and Thymine in DNA
5 8 4 2
A multicellular organism is
A group of differentiated eukaryotic cells that work together to support organism A population of single celled organisms The simplest form of like on earth A single celled organisms with limited cellular funcitons
What is a polysacchirde
A membrance bound organelle found only in plants At least 3 or more ringed sugars combined together
What is a disaccharide
A two ringed sugar molecule A triple ringed sugar molecule
During cellular respiration pyruvate is converted into (blank) in the absense of oxygen
ATP Lactic acid Lactose FADH
movement along a concentration gradient is called
Active transport Passive transport Bulk transport
Cellular respiration in the presence of oxygen
Aerobic Anaerobic
Cellular respiration in the absense of oxygen
Aerobic Aneraobic
All atoms want to be like which group of the periodic table of elements
Alkaline earth metals Transition metals halogens Noble gases
Diffusion across a membrane will continue until
All energy is used up The membrane closes back up again Equilibrium on both sides of the membrane is reached The amount of solute differs considerably on both sides of the membrane
Atoms react when they
Are energized by light Have more than 8 electrons in the valence shell Have less than 8 valence electrons in the valence shell
What is the process of linking together amino acids to form a protein
Photsynthesis Dehydration synthesis Cellular respiration Hydrolysis
What is the rate of chemical reactions that occur within any living thing
Respiration Metabolism Anabolism Catabolism
Of the biomolecules, which is the best at storng energy over a long period of time
Sugar protien lipids waxes
What is the primary source of energy for the planet earth
Volcanoes Water Star Plants
How did Watson and Crick confirm that their double helix model is correct
X ray diffraction data Ecectron microscopy data Mathmatics A method of replication was present
The metabolic apathway of breaking down glucose into pyruvateand ATP
carboxylation Krebs cycle Glycolysis
Balancing chemical equations prevents the violation of the law of
conservation of matter Thermodynamics Causality Murphy's law