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32 Cards in this Set
- Front
- Back
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metabolism |
the sum total of all processes in an organism that convert energy and matter from outside sources and use that energy and matter to sustain the organisms life functions. |
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cell |
the smallest unit of life in creation |
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eukaryotic cell |
a cell with distinct, membrane - bonded organelles |
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decomposers |
organisms that break down the dead remains of other organisms |
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exoskeleton |
a body covering, typically made of chitin that provides support and protection |
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synbiosis |
a close relationship between two or more species where at least one benefits |
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herbivore |
a consumer that eats producers exclusivle |
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basal metabolic rate |
the minimum amount of energy required by the body in a day |
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a scientist is examining a microscopic entity targets cells, invades the cells, and forces the cells it has invaded to make duplicates of its self. it contains no DNA. is it alive? |
No |
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one strand of a DNA molicule has the following nucleotide base sequence: guanine, adenine, cytosine, and thymine. what will the sequence be on the same spot on the other strand? |
1. cytosine 2. thymine 3. guanine 4. adenine |
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the process of metaboloism usually produces energy, carbon dioxide, and what else? |
water |
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the process of photosynthesis requires energy from the sun, water, and what else? |
carbon dioxide |
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your examining an organelle that contains most of the cells DNA. what organelle are you examining? |
nucleous |
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black birds chicks hatch blind and featherless. are they precocial or altricial? |
altrical |
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when an organism is made of several eukaryotic cells and makes its own food. it also has roots, stems, and leaves. to which kingdom does this belong? |
plantae |
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an organism is made of a single, prokaryotic cell. to what kingdom does this belong? |
monera |
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why did people salt meat before refrigeration was wildly available |
salt reduces the growth in reproduction of bacteria |
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an organism is in kingdom protista it makes its own food and cannot move on its own. is it part of the protozoa or algae? |
algae |
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if a plant cell has no central vacuole, what will it be unable to maintain? |
turgor presser |
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if a cell has distinct, membrane - bound organelles but not a cell wall, is it most likely a prokaryotic cell, an animal cell, or a plant cell? |
animal cell |
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what kind of muscle is found in the heart? |
cardiac muscle |
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what is the name of the process that forms the top layers of your skin as well as your hair and nails |
ceratinization |
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are the cells in the strands of your hair alive? |
no |
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what do tendons do? |
attach skeletal muscle to the endoskeleton. |
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what two functions does sweat perform |
cools the body down and also helps feed the beneficial bacteria and fungi that live on your skin |
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A person gets a mysterious disease that shuts down his sebaceous glands. Name one consequence of this situation |
Dry Skin Wiry, brittle hair More infections |
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In addition to fuel, what does combustion require? |
Oxygen |
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If you were to weigh the number of ounces of macronutrients you eat each day and compare that to the number of ounces of micronutrients you eat each day, which would be lower? |
Micronutrients |
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If you analyze the specific proteins you eat and then looked for those exact same proteins in your cells, would you find them? |
No |
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Two animals are roughly the same size and weight. They are kept in exactly the same conditions, and they are forced to have roughly the same amount of activity every day. Nevertheless, the first one eats significantly more than the second, but neither animal gains any weight. Which animal is ectothermic? |
The second animal is ectothermic. |
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How many basic steps are there in the combustion process that takes place in your cells? |
3 basic steps
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If you eat fewer calories than your BMR and activity level require, will you lose weight, gain weight or stay at the same weight? |
You will lose weight. |
