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