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Past Exam
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104
Biology
Undergraduate 1
12/07/2011

Additional Biology Flashcards

 


 

Cards

Term
The organelle responsible for protien maturation andpackaging is:
Definition
Golgi
Term
The organelle responsible for making macrofilaments is:
Definition
Centrioles
Term
The smallest unit of life is the__
Definition
cell
Term
___ is the transmission of DNA to offsrping
Definition
Inheritance
Term
Which group of organisms possesses the foloowing characteristics: Moltility, single celld, eukaryote
Definition
protistans
Term
A group of reproductive isolted organism is a
Definition
Species
Term
The prefix "oligo" means
Definition
few
Term
natural selection acts at the ___ level
Definition
individual
Term
the most abundant atom in the human body is:
Definition
hydrogen
Term
The second most abundant atom in the human body is
Definition
oxygen
Term
___ are particles that are the bukding blocks of all substances
Definition
atoms
Term
the atomic number refers o the number of
Definition
protons
Term
carbon hs an atomic numbe of
Definition
6
Term
oxygen has an atomic number of
Definition
8
Term
How many vacanies does a carbon atom have
Definition
4
Term
a stong mutal attraction of tow oppositely charged ions is a ___ bond
Definition
ionic
Term
in water molecules oxygen binds with two hydrogen atoms with this kind of bond
Definition
covalent
Term
A weak attraction between a highly electronegative atom and a hydrogen atom taking part in a separte polar covalent bond is a __ bond.
Definition
hydrogen
Term
the term "philic" means
Definition
loving
Term
which is not an example of an acidic substance
Definition
ammonia
Term
___ occurs when two molecules covalently bond into a larger one and water usually forms
Definition
condensation
Term
the amine functional group contains
Definition
nitrogen
Term
____ refers to activities by which cells acquire and use energy as they use organic compounds
Definition
metabolism
Term
___ are organic molecules that contain carbon, hydrogen, and oxygen 1:2:1 ratio
Definition
carbohydrate
Term
___ is found in the exoskeleton of many animals and in the cell wall of fungi
Definition
chitin
Term
___ functions as an energy reservoir in anumals
Definition
glycogen
Term
triglycerides containe glycerol and 3 ___
Definition
fatty acid tails
Term
polypeptides are chains of ___
Definition
amino acids
Term
hemoglobin is the ___ binding pigment in humnas
Definition
oxygen
Term
which molecule is responsible for water conservation in plants
Definition
waxes
Term
the major energy carrier is
Definition
ATP
Term
the key component in cell membrances are
Definition
phospholipids
Term
___ greatly increase the rates of reaction
Definition
enzymes
Term
who was the first person to name a cell
Definition
Hooke
Term
one inch is equal to ___ millimeters
Definition
25.4
Term
eukaryotic cells are usually between ___ and ___ micrometers
Definition
10-100
Term
the organnele responsible for making ATP is
Definition
mitochondria
Term
the organelle responsible for making sugar in plants and some protist is
Definition
plastids
Term
the organnele responsible for intracellular digestion is
Definition
lysosome
Term
ameba move by using
Definition
psedopodia
Term
the cell component responsible for assembly of ribosome subunits is
Definition
nucleolus
Term
which are responsible for recylcing nutrients
Definition
decomposers
Term
humans belong to which Family
Definition
hominidae
Term
Glycolysis starts and ends in the
Definition
cytoplasm
Term
which is the following metabolic pathway requires molecular O2
Definition
aerobic respiration
Term
which molecule does not form during glycolysis
Definition
water
Term
in eukaryotes aerobic respiration is completed in the
Definition
mitochondria
Term
after the krebs cycle runs ___ one glocuse molecule has been completely oxidize
Definition
2
Term
in the 3rd stage of aerobic respiration __ is the final acceptor of electrons from glocuse
Definition
oxygen
Term
how many net ATP does fermintation yeild
Definition
2
Term
how many net ATP does aerobic respiration yeild
Definition
36
Term
which stage releases carbon dioxide
Definition
krebs cycle
Term
the final steps of the krebs cycle regenerates ____
Definition
oxaloacetate
Term
In aerobic respiration glucose plus oxygen yeilds __ and water
Definition
carbon dioxide
Term
light dependent reactions in plants occur in the __
Definition
thylakoid membrane
Term
how many hyrdogen atoms in glucose
Definition
12
Term
plankton from spongebob squarepants belongs in the kingdom ___
Definition
protista
Term
chorophyl absorbs mainly violet and red light and reflect ___ light
Definition
green and yellow
Term
in the light dependent reactions ___
Definition
ATP forms
Term
light independent reactions proceeds in the ___
Definition
stroma
Term
what substance is not part of the calvin benson cycle
Definition
O2
Term
which group posses members that are mainly heterotophs
Definition
animals
Term
after noncyclic phosphorylation evolved its biproduct ___ acculated and change the atmoshpere
Definition
oxygen
Term
the calvin benson starts in the __
Definition
stroma
Term
in the cyclic pathway of the light dependent reactions only __ is produce
Definition
ATP
Term
which reaction fixes carbon dioxide
Definition
light independent reaction
Term
___ is lifes primary source of energy
Definition
sun
Term
energy __
Definition
cannot be created nor destroyed, can change from one form to another, and tense to disperse spontaneously
Term
the term alosteric means __
Definition
other structure
Term
about what percent of the suns energy is tranfered to plants
Definition
10
Term
a phosphate group transfer is called __
Definition
phosphorylation
Term
fresh water fish __ water by osmosis and __ ions by difussion
Definition
gain and lose
Term
the specific process by which a cell engulfs a large food particles is called
Definition
phagocytosis
Term
which of the following speeds reactions without being altered by them
Definition
enzymes
Term
__ pulls replacement electrons from water molecules and releases oxygen
Definition
photosystem II
Term
the openings in the leaves by which gas is exchange are called
Definition
stomata
Term
only __ is not a stage of mitosis
Definition
interphase
Term
sister chormatids move apart
Definition
anaphase
Term
chromosome start to condense
Definition
prophase
Term
new nuclei form
Definition
telophase
Term
all duplicated chromosome are aligned at the spindle equator
Definition
metaphase
Term
after mitosis the chromsome number of the two new cells ___ the parents cells
Definition
same as
Term
a somatic cell having two of each type of chromosome has a __ chromosome number
Definition
diploid
Term
a duplicated chromosoem has __ sister chromatids
Definition
two
Term
which is the following occur during the S phase of the cell cycle
Definition
chromosomes duplicate
Term
which is the following does not undergo meiosis
Definition
eubacteria
Term
sexual reproduction requires __
Definition
meiosis and fertilization
Term
meiosis __ the parental chromosome number
Definition
halves
Term
meiosis ends with the formation of __
Definition
four cells
Term
a human gamete has __ chromosome
Definition
23
Term
at what stage does crossing over occur
Definition
prophase I
Term
a typical flowering plant has __ sets of chromosome
Definition
2
Term
alleles are __
Definition
different molecular form of genes
Term
heterozygote has a __ for a trait being studied
Definition
pair of non identical alleles
Term
the observable trait of an organism are
Definition
phenotype
Term
F1 offspring of the cross AA x aa are _
Definition
all Aa
Term
bb
Definition
homozygous condition
Term
Aa x Aa
Definition
monohybrid experiment
Term
AABB x aabb
Definition
dihybrid condition
Term
Aa
Definition
heterozygous condition
Term
in mendel dihybrid experiment how many short white flowered plants resulted
Definition
1
Term
the results from mendels monohybrid experiments became the basis of his law of ___
Definition
segregation
Term
in a monohybrid cross between AA x AA in results in all offspring being
Definition
AA
Term
is the outcome of meiosis is __
Definition
four haploid cells
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