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aspectsbiology1-4
study for quizzes and tests
| Question | Answer |
|---|---|
| In which direction does a nerve impulse usually move? | dendrite -> cell body -> axon |
| Osteons can be found in | compact bones |
| Which of the following associates with ATP synthesis? | mitochondrian |
| Muscles are connected to bones by | tendons |
| Homeostasis of organisms means they have | relative constant internal environment |
| Which following is a prokaryotic cell? | bacterial cell |
| Most cells are very small, so it would ______. | have a larger surface-to-volume ratio. |
| Stratified columnar epithelim means | many layer of rectangular pillar-shaped cells |
| Completely metabolizing ONE glucose molecule produces approximate ___ ATP. | 36 |
| The cavities of freely movable joints are line with | snyovial membranes |
| Fetal skeletons are made of | hyaline cartilage |
| Genetic materials of a cell are found in | nucleus |
| _______ cells are a type of white blood cells found in the epidermis of the skin, which phagocytize (engulf) pathogens. | Langehans |
| Some cells in skin can convert steroids into vitamin D with the aid of _______. | ultraviolet radiation |
| Sebaceous glands secretes ______. | oil |
| A plasma membrane has a structure composed of | a phospolipid bilayer with embedded proteins. |
| A cell in a hypertonic solution | loses water |
| Which of the following can be found in the subcantaneous layer of the skin? | adipose tissue |
| In one strand of DNA has the nucleotide sequence of TCGTAACG, what will the compementary strand have? | AGCATTGC |
| A nucleotide contains | a pentose, a phosphate group, and a nitrogen containing base |
| When proteins are exposed to extreme heat and pH, they may undergo irreversible changes in shape called | denaturation |
| Which of the follow is NOT a lipid? | amino acid |
| Mushrooms belong to the King | Fungi |
| Four groups of mice consume different amounts of new antiotic "Cure". The maximum amount of "Cure" to be consume is 50 ug. The control group is the one that receives | 0 ug of "Cure" |
| Which of the following contains amino acid? | protein |
| Most enzymes are classified as | proteins |
| A buffer | resists change in pH |
| The bond that join two amino acid together is called ______ bond. | peptide |
| Which of the following molecules is an organic compound? | C6H12O6 |
| Which of these is an example of a hydrolysis reaction? | dipeptide + h20 -> amino aicd + amino acid |
| Unsaturated fatty acids have one or more double bonds between | carbons |
| For liquid water, which of the following is NOT true. | Its temperature rises quickly |
| Which level of protein structure corresponds to the linear sequence of amino acids | primary |
| Phospholipids are basic component of | membrane |
| The pH of blood is slightly basic. Which of the following describes pH? | 7.4 |
| Which of the following base is NOT found in RNA | Thymine (T) |
| Adding an acid to water _____ its pH. | lowers |
| The difference between one amino acid and another is found in the | R group |
| Which of the following is usually a single-stranded molecule? | RNA |
| Water is liquid at room temperature because | hydrogen bond between H atom and O atom of different molecules |
| Which following substances are emulsifiers? | detergents |
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