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A+P Chapter 2/3
Organic Molecules, Cell Division, Cell Membrane, Transcription/Translation
| Question | Answer |
|---|---|
| component of proteins | amino acids |
| function of proteins (2) | enzymes structure |
| examples of proteins (2) | muscles hemoglobin |
| component of lipids | fatty acids |
| function of lipids (2) | padding insulation |
| examples of lipids (2) | fats and oils steroids |
| component of nucleic acids | nucleotide |
| function of nucleic acids | stores info |
| examples of nucleic acids (2) | DNA RNA |
| component of carbohydrates | sachharides |
| function of carbohydrates (2) | immediate energy structure in plants and arthropods |
| examples of carbohydrates (2) | monosachharides disachharides polysachharides |
| how do enzymes work? | enzyme binds with substrate changes chemical makeup of the substrate releases product |
| why are enzymes important? | increases rate of reaction to a helpful rate |
| difference between saturated and unsaturated fats (3) | saturated- solid at room temp, straight molecules, full of hydrogen unsaturated- liquid at room temp, crooked molecules, not full of hydrogen |
| where do carbohydrates come from | plants |
| how many steps are in mitosis | 6 |
| how many steps are in meiosis | 9 |
| what cells go through mitosis | all cells minus sperm and egg |
| what cells go through meiosis | gametes- sperm and egg |
| what does mitosis occur | everywhere except testes and ovaries |
| where does meiosis occur | testes and ovaries |
| how many daughter cells does mitosis have | 2 |
| how many daughter cells does meiosis have | 4 |
| how much DNA is in the daughter cells of mitosis | same as parent |
| how much DNA is in the daughter cells of meiosis | half as parent |
| what is the difference between chromatin and a chromasome | chromatin- loose DNA chromosome- condensed DNA |
| A human diploid has how many chromosome pairs | 23 |
| A human haploid has how many chromosome pairs | 0 |
| A human diploid has how many chromosomes total | 46 |
| A human haploid has how many chromosomes total | 23 |
| example of diploid cell | everything except sperm and egg |
| example of haploid cell | sperm and egg |
| what does selective permeability mean | controlling what goes in and out of the cell |
| why is the cell membrane referred to as fluid mosaic | small particles freely moving around |
| what is the difference between active and passive transport, and why | active- requires energy- low to high passive- free - high to low |
| what particles are involved in direct diffusion | small, uncharged, nonpolar |
| what type of particles need proteins to move across the membrane | large, charged, polar |
| what is a concentration gradient | difference of concentration from one side of the cell membrane to the other |
| why does the cell membrane have pumps | to move things from low to high |
| list the two types of bulk transport and where the particles are moving | endocytosis- in exocytosis- out |
| what is transcription and where does it take place | DNA to mRNA nucleus |
| what is translation and where does it take place | mRNA to protiens cytoplasm |
Created by:
ericak12
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