biological molecules
Terms
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- what is the hydrogen bonding in water due to?
- the slight positive charge on the hydrogen and slight negative charge on the oxygen.
- what are the important properties of water? (9)?
- solvent, cohesion, adhesion, surface tension, high melting and boiling point density heat of fusion heat of vaporization specific heat capacity.
- what does the ph scale indicate?
- how acidic or basic a substance is.
- what happpens if ph drops or rises?
- denature
- what is denature
- the enzyme will not function properly.
- what is a buffer/
- keeps ph level constent
- what is an acid ph?
- it frees H+ ions below 7
- what is a base?
- frees more oh- and is above 7.
- what is nutralization?
- whenan acid and base are put together and cancel them selves out.
- what do carbohydrates do ?
- provide energy
- what three elements are carbohydrates made up of
- carbon hydrogen and oxygen.
- what are monosaccharides?provide examples?
- simple sugars such as glucose, fructose and galactose
- what is a monosaccharides formula?
- c6h1206.
- what are disaccharides ?
- double sugars.
- How do disaccharides form?
- in dehydration synthesis. When one molecule of water is released.
- what is the splitting of a dissaccharide called?
- hydrolysis. One water molecule is consumed.
- What is maltose made up of?
- 2 glucose
- what is sucroce made up of?
- glucose and fructose.
- what is lactose made up of?
- glucose and galactose.
- what is a polysaccharide?
- long chain compoused of glucose molecules
- what is startch/
- plant storage .
- what is glycogen?
- animal storage
- how is glycogen produced?
- produced by the pancrease whichstimulates the liver to absorb glucose and form glcogen when blood level is high.
- what is cellulose?
- its for plant walls.It doesnt branch and cant be digested.
- what are lipids and another name for them?
- they are called tryglicerides and are made from one glycerol and three fatty acids.
- what are fatty acids ?
- long chains of carbon and hydrogen atoms attached.
- what is the difference between saturated and unsaturated fatty acids?
- a saturated fatty acid has the maximum number of hydrogen chains. while unsaturated has one or more hydrogens missing.