Tuesday, July 14, 2009

Questions biology@!!?

1) Light microscopes A) can generally magnify objects about 10,000 times without blurring. B) typically provide more resolution than an electron microscope. C) work by reflecting electrons off the surface of an object being studied. D) use light and glass lenses to magnify an image. E) All of the choices are correct.


3) The idea that all living things are composed of cells and that all cells come from other cells defines: A) central dogma. B) the laws of inheritance. C) organelle theory. D) cell theory. E) inheritance of acquired characteristics.


4) As cell size increases, the A) volume and surface area decrease. B) volume increases faster than the surface area. C) surface area increases faster than the volume. D) surface area and volume increase at the same rate. E) None of the choices are correct.


5) Cells that lack a membrane-bound nucleus are __________ cells. A) plant B) animal C) prokaryotic D) eukaryotic E) fungal


6) Unlike animal cells, plant cells have __________ and __________. Unlike plant cells, animal cells have __________. A) chloroplasts . . . cell walls . . . centrioles B) centrioles . . . chloroplasts . . . cell walls C) chloroplasts . . . cell walls . . . cell membranes D) chloroplasts . . . cell walls . . . a nucleus E) centrioles . . . cell walls . . . large central vacuoles


7) In eukaryotic cells, internal membranes A) greatly increase a cell's total membrane area. B) provide additional area where many metabolic processes occur. C) form membranous compartments called organelles. D) contain proteins essential for metabolic processes. E) All of the choices are correct.


8) Long fibers of DNA and protein are called a A) chromatin. B) nucleolus. C) ribosome. D) lysosome.


9) The Golgi apparatus A) is composed of stacks of membranous vesicles that are continuous with one another. B) stores, modifies, and packages proteins. C) strings together amino acids to produce proteins. D) forms fats from glycerols and fatty acids. E) is the site of carbohydrate breakdown.


10) Tay-Sachs disease A) causes an accumulation of lipids in brain cells. B) involves damage to liver cells. C) is due to the absence of an enzyme that digests polysaccharides. D) prevents the breakdown of glycogen. E) results in an accumulation of triglycerides in the alveoli of the lungs.


11) The functions of the central vacuoles of plant cells include A) helping increase the size of cells by absorbing water. B) storing pigments that will help attract pollinating insects. C) storing waste products. D) storing poisons. E) All of the choices are correct.


12) The function of mitochondria is A) cellular respiration. B) intracellular transport of proteins. C) lipid synthesis. D) photosynthesis. E) intracellular digestion.


13) Archaea are composed of __________ cells. A) plant B) prokaryotic C) bacterial D) eukaryotic E) animal

Questions biology@!!?
Come on. How much time you spent writing the hole syllabus in Biology and how much time will take to answer. Split it and be reasonable.
Reply:What the Hell i cant be bothered to answer this F.u.c.k.i.n.g long question split it first .


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