Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Biology Ch 1-2
| Question | Answer |
|---|---|
| The smallest unit that has all the characteristics of life is | A cell |
| Which level of biological organization is composed of tissues? | The organ |
| Of the 5 theories termed "basic theories of biology" which two of them are in conflict, so that either one or the other is true? | cell theory - evolutioin theory |
| The body temperature of humans is maintained around 37○ [98.6○ F]. Which characteristic of life does this statement represent? | Living things maintain homeostacis. |
| What is the sequence of the different levels of biological organization? | cells-tissues-organs-organ systems-organism |
| What are the characteristics of life? | organized, acquire materials and energy, reproduce, resond to stimuli, are homeostatic, grow and develop, have the capacity to adapt |
| What is the sequence of classification categories? | kingdom-phylum-class-order-family-genus-species |
| Because bacteria lack a distinct nucleus, they are termed: | Prokaryota |
| Making value judgments are not part of the scientific method, but | Christian people have a moral responsibility to be involved in this process as much as possible |
| There is a great diversity of life on the earth (Fact or Interpretation) | Fact |
| The diverse forms of life have resulted from evolution (Fact or Interpretation) | Interpretation |
| The nucleus of an atom contains which particle(s)? | a proton/s, a neutron/s |
| The attraction between soduim and chlorine in table salt is termed a/an ________ bond. | ionic |
| The bond that results when atoms share electrons is termed a/an ________ bond. | covalent |
| The term we use to describe the attraction between water molecules is a/an ____ bond. | hydrogen |
| A molecule that dissociates in H2O (water) to release an H+ ion is termed: | an acid |
| A solution with a pH = 6 is considered to be | acidic |
| Cars use gasoline to run, and when it is burned sulfer dioxide and nitrogen oxide are produced. These are thought to combine with water vapor in the atmosphere to produce sulfuric and nitric acid, resulting in damagin | acidic rain |
| Carbohydrates, lipids, and proteins are polymers made by combing monomers in a | loss of water reaction |
| All organic compounds contain which elements | carbon and hydrogen |
| simple carbohydrates, known as monosaccharides, may have anywhere from 3 to 7 carbons in a chain. If the monosaccharide has 5 carbons it is called a pentose, if it has 6 carbons it is termed a hexose. Indentify 2 hexose's. | glucosse and galactose |
| Which polysaccharide is the storage form of sugar in animals? | glycogen |
| When God judged Nebuchadnezzar for his pride, and made him eat grass like an ox, he must have done something to his ability to digest what molecule? | cellulose |
| Foods which are high in this type of molecule will make you gain weight most easily because they have the mmost energy per gram | lipid |
| Properties of water that make it the most important molecule for life as we know it | high heat capacity, high heat of vaporization, solvent, cohesive and adhesive, high surface tension, frozen from less dense than liquid form |
| What is the smallest particle of an element that displays the proterties of the element | atom |
| What is the union of two or more atoms of the same element; also, the smallest part of a compound that retains the properties of the compound | molecule |
| What is the group of similar cells that perform a common function | tissue |
| What is made of two or more kinds of cells that have similar functions | organ |
| What is the ability to maintain a static state. Means "staying the same." | homeostasis |
| What is the capacity to work? | energy |
| Information collected during scientific inquiry | observations |
| The most biologically diverse ecosystems are | tropical rainforests and coral reefs |
| A tentative explanation for a natural event | hypothesis |
| Results of an experiment: | data |
| Statement made following an experiment as to whether the results support the hpothesis: | conclusion |
| What is the scientific study of life | biology |
| What have the same atomic number/dif. atomic weight? | isotopes |
| A proton's charge is | positive (+) |
| An electron's charge is | negative (-) |
| A neutron's charge is | neutral (+=-) |
| An atom's charge is | neutral |
| An ion's charge is | not neutral (either + or -) |
| Ionic bonds attract based on | opposite charges |
| Covalent bonds attract based on | shared electons |
| Carbon always has ______ bonds | 4 |
| Water has a _____ ________ bond. | polar covalent |
| Acids release ________ _______. | hydrogen ions |
| Bases release _____ _____ or take up ______ ______. | hydroxide ions, hydrogen ions |
| Storage forms of glucose found in plants | starch |
| Storage forms of glucose in animals | glycogen |
| Found in plant walls | Cellulose |
| Dotted bonding is | hydrogen bonding |
| Hexoses (6-carbon sugar) | 1. glucose 2. fructose 3. galactose |
| What do not dissolve in water? | lipids |
| Lipids are a diverse group of structures, but they all have one thing in common--that is: | none of them dissolve in water |
| A fat molecule is formed when glycerol combines with 3 fatty acids. This synthesis reaction involves: | dehydration |
| We hear a lot about saturated and unsaturated fats. Which of the following statements aree true of unsaturated fatty acids? | they have double bonds |
| Steroids contain 4 fused carbon rings. Which of these compounds are steroids? (testosterone, estrogen, cholesterol, sucrose) | testosterone, estrogen, cholesterol |
| The building blocks (monomers) of protein are: | amino acids |
| Proteins have many important function in the body, one of those functions is an enzymes. What is the role of an enzyme? | speed up chemical reactions |
| A peptide bond is a bond between which two groups present in amino acids? | (-NH2 and ---COOH)and an amine group and an acidic group |
| The structure of proteins is critical to their proper function, and structure has 4 levels illustrated in the text. There are two typical arrangements of secondary structure, one of them is: | an alpha helix |
| Both DNA and RNA are built of nucleotides. What are present in every nucleotide? | phosphate (phosphoric acid), a pentose sugar, a nitrogen-containing base |
| Which of the following nitrogen containing bases is present in RNA, but not in DNA? | uracil |
Created by:
anabanana91
Popular Biology sets