-
the overall result of mitosis is that a single diplod cell gives rise to?
aneuploid
-
the most abundant molecules in membranes are?
- cholesterol
- phopholipids
- protein
-
when an electron is TRANSFERRED from one atom to another and the two are then electrically attracted to each other a ?(a) bond is formed
when atoms SHARE an electons, the bond is called?(b)
-
substances that are repelled by water are?
- hydrophobic, non-polar
- lipids
-
substances that attracted by water are called?
hydrophilic, polar
-
-
the common energy molecule that drives cellular processes is?
ATP from glucose in mitochondria
-
which substance is the most common in the cells of the body?
water, H2O
-
a hydrogen ion consist of?
proton only H+
-
contains both a carboxyl and an amine group?
amino acids
-
-
what are 4 kinds of carbohydrates?
- starch
- cellulose
- glycogen
- starch
- chitin (in insects and fungi)
-
prokaryotic (bacteria) have? (3)
- cell membrane
- no nucleas
- DNA
-
-
adding acid to water lowers ?(a) and raises ?(b)
-
the individual nature of amino acids is determined primarily by the?
- R variable
- functioanl group
-
standard small groups of atoms on molecules that help to determine the molecules properties are? (7)
- functional groups
- CHO=carnonyl
- CHOO=carboxyl
- OH=hydroxide
- NH3=amine
- Sh=sulfur
- PO4= phosphate
-
large molecules are taken apart by which process?
hydrolysis
-
names of common proteins? (8)
- collagen
- keratin
- hemoglobin
- antibodies
- snake venom
- myosin
- actin
- elastin
-
a chemical reaction can not change?
one element into another; unearth
-
stable assembly of 2 or more atoms is called?
molecules
-
small, membrane enclosed structures within cells that perform specific tasks are?
organelles
-
-
adding acid to water
lowers pH; adding base to water
-
-
-
the common energy molecules, used to produce energy molecules that drive cellular processes are?
cellulose
-
which part of the phospholipid molecule would be facing the environment ouside the cell?
polarized phophate
-
the nucleas of an atom has?
protons and neutrons
-
small molecules are put together by which process?
- dehydration condensation
- synthesis
-
wich common carbihydrate has a type of arrangement of chemical bonds which makes it indigestible for most organisms? (2)
- cellulose; found in plants
- chitin; found in insects and fungi
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