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Bio 11 exam
bio 11 exam cards
127
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05/04/2005

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Term
What are the four major macromolecules?
Definition
Carbohydrates, Lipids, Protein, Nucleic Acid
Term
What two monosaccharides make up sucrose?
Definition
fructose and glucose
Term
What is the chemical formula for monomer carbohydrates?
Definition
C-H2-O
Term
What are the three monomer carbohydrates?
Definition
glucose, fructose, galactose
Term
What are the three disaccharides?
Definition
lactose, sucrose, maltose
Term
What is splenda (name)
Definition
sucralose
Term
What two monosaccharides make up sucrose?
Definition
fructose and glucose
Term
What two monosaccharides make up maltose?
Definition
glucose and glucose
Term
Nutrasweet is not a sugar, what is it?
Definition
Dipeptide which is a protein
Term
What are the four examples of polysaccharides?
Definition
starch, glycogen, cellulose, chitin
Term
What is another word for fat (comes from its components)
Definition
triglyceride (3 fatty acids plus glycerol make a polymer)
Term
hydrophobic tails + hydrophobic heads=?
Definition
amphiphilic
Term
a wax monomer is made up of what?
Definition
1 fatty acid and 1 alcohol
Term
What makes up steroids?
Definition
3 six sided rings and 1 5 sided ring
Term
What are some examples of steroids?
Definition
hormones and cholesterol
Term
How many different amino acids are there and how many can't be manufactured by your body?
Definition
20 and 9
Term
What do amino acids consist of?
Definition
Carboxyl group, Amino group, and R group
Term
Fibrous protein is made up mostly of which secondary structure?
Definition
alpha helix
Term
What is a prion and what does it do?
Definition
misfolded protein, causes other proteins to misfold and cause the host to be unable to lysis-kills brain cells
Term
What function of protein is exhibited by egg whites?
Definition
storage
Term
What function of protein is exhibited by lactate?
Definition
enzymes
Term
What function of protein is exhibited by collagen?
Definition
structural
Term
What function of protein is exhibited by growth?
Definition
signaling
Term
In negative feedback what is the inhibitor?
Definition
The product
Term
Chlorophyll is what color
Definition
green
Term
What color are carotenoids?
Definition
yellow, orange
Term
What are the products of the Hill Reaction
Definition
ATP and NADPH
Term
What three factors affect enzyme driven reactions?
Definition
temperature, salt, pH
Term
What do monomers of DNA (Nucleotides) consist of?
Definition
Sugar, Phosphate group, nitrogenous bases
Term
Where does the Calvin Cycle happen?
Definition
stroma
Term
What is the product of the dark cycle?
Definition
glucose
Term
What reactants are necessary for the dark cycle?
Definition
12 NADPH and 6 CO2 and 18 ATP
Term
How does a C3 plant adapt to a dry climate?
Definition
closes off stomata to reduce water loss, O2 runs through the Calvin cycle to produce carbon. (ex sunflower)
Term
How does a C4 plant adapt to a dry climate?
Definition
CO2 is stored in one cell type and donates to a neighboring cell (ex corn)
Term
How does a CAM plant adapt to a dry climate?
Definition
stomata closed during day, open at night to store CO2 (ex cactus)
Term
What are the reverse goals of Aerobic respiration and photosynthesis?
Definition
Aerobic: burn glucose; Photosynthesis:make glucose
Term
What happens in Gap 1 (eukaryotic cell cycle)?
Definition
increased supply of organelles and cell grows in size.
Term
When do chromosomes replicate? (Euk. cell cycle)
Definition
Synthesis
Term
When is protein synthesized? (Euk. cell cycle)
Definition
Gap 2
Term
What happens in prophase (mitosis)?
Definition
-nucleoulus and nuclear envelope disappear
-DNA coils
-sister chromatids move towards the equator
-spindles form
Term
What happens during metaphase (mitosis)?
Definition
-nuclear envelope is gone
-Spindle complete
-chromatids lined up at equator
Term
What happens during Anaphase (mitosis)?
Definition
-sister chromatids separate
-spindles attached to chrom. shorten
-spindles attached to other spindle fibers
Term
What happens during telophase/cytokinesis (mitosis)?
Definition
-DNA uncoils
-nuclear envelope and nucleoli reappear
-spindles disappear
-cytoplasm devides
Term
How does cytokinesis occur in plants?
Definition
vesicles with cell wall components beuild walls between two sides.
Term
What proteins serve to check the cell cycle before mitosis can occur?
Definition
cdk and cyclin
Term
When can crossing over occur in meiosis?
Definition
Prophase 1
Term
What are the number of combinations for a diploid?
Definition
2^n
Term
Which case of aneuploidy is XXY?
Definition
Kleinfelter's, occurs in males, those affected are sterile.
Term
What are characteristics of those with XYY?
Definition
male, fertile, normal, "criminal genotype"
Term
What are the charac. associated with XO aneuploidy?
Definition
sterile, short and broad, female, Turner's syndrome.
Term
What are the effects of XXX aneuploidy?
Definition
normal fertile female
Term
What is the genotype of as tester (inheritance)?
Definition
homozygous recessive
Term
What are the genotypic and phenotypic ratios for a cross btw two monohybrids?
Definition
Genotypic: 1:2:1
Phenotypic: 3:1
Term
Huntingtons and Achodroplasia are examples of autosomal -------- disorders
Definition
dominant
Term
What is the phenotypic ratio for a cross btw two dihybrids?
Definition
9:3:3:1
Term
What did Fred Griffith's experiment with mice prove?
Definition
Genetic material could be transferred, and the material was either protein or DNA.
Term
What did Avery, MacLeod, McCarty's ecperiment prove about genetic material?
Definition
determined that the material transferred in Griffith
's exp was DNA.
Term
Briefly explain Hershey and Chase's experiment and what it proved.
Definition
labelled protein and DNA in 2 diff experiments and found that the transferred material was DNA.
Term
What scientist discovered that the ratio between A and T and C and G were the same?
Definition
Chargoff
Term
What did Rosalind Franklin and Maurice Wilkins discover about the shape of DNA using x-ray differentiation?
Definition
DNA was a helix of some sort.
Term
What did Watson and Crick discover about DNA?
Definition
the helix diameter was uniform, there were 2 helices, the bases were paired AT and GC
Term
How are the nitrogenous bases bonded?
Definition
2 hydrogen bonds for A and T, 3 for C and G
Term
What is DNA Helicase?
Definition
enzyme that unwinds DNA
Term
What does DNA Polymerase do?
Definition
adds nucleotides to the growing daughter strand
Term
where does transcription occur in eukaryotes?
Definition
nucleus
Term
Where is the transcript transported to from the nucleus?
Definition
Cytoplasm
Term
Which anticodon signals the start fro mRNA?
Definition
AUG
Term
Which anticodons code for a stop on mRNA?
Definition
UAA, UAG, UGA
Term
What were some of Buffon's ideas?
Definition
He had ideas about evolution such as species change over time but recanted when challenged by the church.
Term
What geologists said the earth was over 6000 years old.
Definition
Hutton and Lyell
Term
WHat did Cuvier say about evolution?
Definition
Earth was around longer than the Bible claimed, said God didn't think Moses needed to know.
Term
What were Jean Baptiste Lamarck's ideas?
Definition
Believed species changed over time. He believed that traits were acquired throughout a lifetime and passed on to offspring.
Term
Who said that resources were limited and thus put a check on the population?
Definition
Malthus
Term
Who independently came up with the same theories as Darwin?
Definition
Alfred Wallace
Term
When did these occur:
-beginning of earth
-prokaryotes
-oxygen produced
-eukaryotes
Definition
-4.6 billion years ago
-3.5 billion ya
-2.7 bya
-2.2 bya
Term
Where do monerans get DNA in transformation?
Definition
the environment.
Term
What happens in transduction (monerans)?
Definition
a phage transfers DNA from one bacteria to another
Term
How is DNA transferred in conjugation?
Definition
direct transfer btw two bacteria cells.
Term
cyanobacteria produce what vital element?
Definition
oxygen (they also photosynthesize)
Term
E. coli and Rocky Mtn. Spotted fever are examples of what group?
Definition
Proteobacteria.
Term
The endosymbiosis theory says cyanobacteria became what?
Definition
chloroplasts
Term
Lynn Margulis' theory says aerobic proteobacteria became what?
Definition
mitochondria.
Term
Flagellates such as Giardia (diarrhea) and Trypanosoma are examples of what protist?
Definition
Protozoa
Term
Amoebas are an example of what protist group?
Definition
Protozoan
Term
Plasmodium, which causes malarian is part of apicomplexans which use an apex to enter host cells. What group of protists are apicomplexans a part of?
Definition
Protozoa
Term
Paramecium, a free living example of ciliates, is part of which protist group?
Definition
protozoans
Term
Slug like slime molds are what kind?
Definition
cellular
Term
amoeboid like slime molds are what kind?
Definition
plasmodial
Term
What unicellular algae causes red tides?
Definition
dinoflagellates
Term
Which unicellular algae is referred to as nature's marbles?
Definition
diatoms
Term
What are seaweeds?
Definition
multicellular algae
Term
Mosses are an example of what kind of plant?
Definition
Bryophytes
Term
Ferns are an example of what kind of plant?
Definition
Seedless vascular plants
Term
What are gymnosperms (ex: pine tree)?
Definition
seeded plants
Term
What is another name for seeded flowering plants?
Definition
angiosperms
Term
Where do haploid spore cells that become eggs exist (angiosperms)?
Definition
ovule
Term
The haploid spores that produce sperm are located where? (angiosperms)
Definition
the anther
Term
Where does fertilization occur? (angiosperm)
Definition
ovule
Term
A seed develops from each _______. (angiosperms)
Definition
ovule
Term
________ becomes fruit.
Definition
ovary
Term
when seeds germinate (angiosperms) they become what?
Definition
sporophyte (2n)
Term
What are the two cell types for sponges?
Definition
choanocyte and amoebocyte
Term
Jellyfish, hydras, corals, and anemones are part of what phylum?
Definition
cnidaria
Term
How many tissue layers do cnidarians have?
Definition
two: ectoderm and endoderm
Term
Flatworms are part of what phylum?
Definition
Platyhelminthes
Term
Platyhelminthes come in what three diverse forms?
Definition
free living planarians, flukes, and tapeworms
Term
What is the common name for nematoda?
Definition
round worms
Term
What is a radula?
Definition
Rasping organ for eating in mollusks.
Term
polychaetes are part of what phylum?
Definition
annelida
Term
What phylum are crustaceans and insects part of?
Definition
arthropods
Term
Where do echinodermata organisms get their name?
Definition
spiny skin
Term
Lancelets and tunicates are in which phylum?
Definition
chordata
Term
Where might you find simple squamous epithelial tissue?
Definition
lung capillaries
Term
Where can simple cuboidal epthelial tissue be found?
Definition
kidney tubules
Term
What is an example of a place you'd find simple columnar epithelial tissue?
Definition
airways, dig. tract
Term
Where might you find stratified squamous?
Definition
places of high abrasion such as esophagus and skin
Term
What does the pancreas do?
Definition
secretes enzymes to digest fat and neutralize pH
Term
What does the liver secrete?
Definition
Bile-breaks up fats
Term
What organ stores bile?
Definition
gall bladder
Term
What is spermatogenesis?
Definition
formation of sperm
Term
What is the order of development for sperm development?
Definition
Spermatagonium (diploid) -> primary spermatocyte (tetrad) ->secondary spermatocyte -> spermatid (haploid) -> sperm
Term
Where are mature sperm stored?
Definition
Epididymis
Term
What is the order of development for oogenesis?
Definition
Oogonium (diploid) -> primary oocyte ->secondary oocyte -> egg
Term
What secretes estrogen and progesterone?
Definition
corpus luteum
Term
WHat gland releases LH and FSH
Definition
pituitary gland
Term
WHat peaks to cause rupture of follicle?
Definition
estrogen peak
Term
What hormone does an embryo secrete?
Definition
HCG
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