random biology questions

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50 terms

semi-premeable membrane

cell membrane regulates material entering and exiting the cell

does active transport require energy?

yes

does passive transport require energy?

no

what do active and passive transport have in common?

-move materials
-move across cell membrane

2 types of passive transport

diffusion and osmosis

2 types of active transport

exocytosis and phagocytosis and pinocytosis

isotonic

solution with the same concentration of dissolved particles

hypertonic

solution with higher concentration of dissolved particles to the cell

hypotonic

solution with lower concentration of dissolved particles to the cell

cell membrane's job

regulates what enters and exits the cell

nucleus' job

stores genetic info

ribosome's job

makes protiens

endoplasmic reticulum's job

makes lipids, protiens and enzymes

mitochondria's job

creates energy

lysosome's job

defends cells and removes trash

flagellum/cillia's job

transportation

chloroplast's job

creates energy for plant cells

six elements found in living organisms

carbon
hydrogen
nitrogen
oxygen
phosphorus
sulfur

organic

specially grown with out chemicals

inorganic

grown using chemicals

monomer of carbohydrates

monosaccharides

polymer of carbohydrates

polysaccharides

function of carbohydrates

make energy for cell

equation for photosynthesis

carbondioxide + water = sugars + oxygen

monomers of lipids

fatty acids

polymers of lipids

triglyceride

function of lipids

part of cell membrane

equation for cellular respiration

oxygen + glucose = carbondioxide + water +energy

monomers of proteins

amino acids

polymers of proteins

protein

role of ATP

to start cell process to make energy

how is energy released from from ATP

breaking of a phosphateand ATP turns to ADP

anaerobic process that makes ATP

fermentation

enzyme

catalyst for chemical reactions

what do enzymes do?

speed up chemical reaction

chemicals that carry messages from organs to cells in your body

hormones

hormones

chemicals that carry messages from organs to cells in your body

functions of hormones

regulate cell growth

creates 2 identical diploid cells (meiosis or mitosis)

mitosis

creates 4 different haploid cells (meiosis or mitosis)

mitosis

DNA is copied (meiosis or mitosis)

mitosis

DNA is not copied (meiosis or mitosis)

meiosis

7 basic characteristis of living organisms

made of cells
needs energy
responds to environment
reproduces
grows and develops
evolves and adapts

how is a zygote formed?

union of an egg and sperm

hierarchy of cellular organization smallest to largest

1. cell
2. tissue
3. organs
4. organ systems

endosymbiotic theory

one organism lives inside the other and both benifit from the relationship

homeostasis

maintainence of constant internal organs

how do stimulus help keep an organism alive?

helps them reast and adapt to environment to survive

metabolism

chemical process that builds up or breaks down materials

why is Gregor Mendel considered "the father of genetics"

discovered principles of evolutions

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