BIOL 329- Final Exam Guide - Comprehensive Notes for the exam ( 43 pages long!)

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29 Mar 2018

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Eucarya: vertical gene transfer: transmission of dna from parent to offspring, horizontal (lateral) gene transfer: movement of genetic material between different organisms, chemistry, covalent bonds, can be single, double, or triple bonds. Can be polar or nonpolar: polar: pair of electron is unequally shared, nonpolar: pair of electrons is equally share, hydrophobic, more electronegative nucleus= greater attractive force on electrons. The flow of energy maintains order and life: osmosis: movement of water across a semi-permeable barrier from high to low water concentration. Isosmotic solution: impermeable solute: hypotonic solution: net water gain, cell swells, hypertonic solution: net water loss, cell shrinks. 35 element: ttgaca hexamer, 35 bp before transcription starts, comes before -10 element. 10 element: tataat hexamer, at -18 to -9 nucleotides before start, comes after -35 element. Increases affinity for promoter site: eukaryotic transcription: rna polymerases are conserved form of enzyme, 1. ) Rna polymerases are closely related (bacteria, archaea, eukaryotes: 2. )

Related Questions

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Question 211 pts

Blood cells placed in pure water will burst because there is a net movement of water out of the cell.

True

False

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Question 221 pts

Photosynthesis takes place in tiny organelles within the cell known as mitochondria.

True

False

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Question 231 pts

The balanced chemical equation for cellular respiration is

C6H12O6 + 6O2 â 6CO2 + 6 H2O + 36 or 38 ATP

True

False

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Question 241 pts

A catalyst is anything that speeds up a chemical reaction.

True

False

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Question 251 pts

Kinetic energy is the energy an object possesses due to its motion.

True

False

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Question 261 pts

Changes in temperature and pH may speed up or slow down the activity of an enzyme.

True

False

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Question 271 pts

There are 20 different amino acids.

True

False

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Question 281 pts

The products of the light-dependent reactions of photosynthesis are oxygen, ATP, and NADPH.

True

False

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Question 291 pts

Which of the following is NOT a component of the Cell Theory?

Cells arise only by division of a previously existing cell.

Cells are the smallest units of structure and function

All organisms are composed of one or more cells.

Cells can vary their shape and size to suit the environment for survival.

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Question 301 pts

What is the name of the two subatomic particles that can be found in the nucleus of an atom?

neutrons and electrons

protons and neutrons

protons and electrons

protons and morons

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Question 311 pts

Atoms that have either a positive or negative charge are known as:

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Question 321 pts

An atom with an unfilled outer energy level (electron shell) is likely to be:

inert

unable to form bonds with other atoms

reactive

extremely stable

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Question 331 pts

All living things are able to maintain stable internal conditions. This is known as

metabolism

homeostasis

heredity

cellular organization

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Question 341 pts

Which of the following is NOT considered to be one of the five basic properties shared among living organisms?

made of one or more cells

grow and reproduce

posses DNA

need oxygen to survive

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Question 351 pts

CFCs (Chlorofluorocarbons) in the stratosphere cause:

global warming due to increased CO2

increase ozone levels by converting O2 to O3 and decreasing UV passage to Earth.

act as a catalyst to destroy ozone increasing UV passage to Earth.

increased ice crystal formation that cools the earth.

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Question 361 pts

The process by which traits are passed from parents to offspring is known as:

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Question 371 pts

Alcoholic fermentation occurs in muscle cells of the human body.

True

False

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Question 381 pts

If carbon has 6 protons and 6 neutrons, how many electrons must it have to be electrically neutral?

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Question 391 pts

The loss of an electron is known as _______; the gain of an electron is known as ________.

reduction; oxidation

transduction; adduction

oxidation; reduction

removal; addition

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Question 401 pts

Kinetic energy is the stored energy that can be used for motion.

True

blushfox941

Messenger RNA (mRNA)...

a) Is a structural part of a ribosome

b) Brings amino acids to DNA

c) Carries genetic information from the nucleus to the cytoplasm

d) Is a structural part of a chromosome

e) Initiates and directs chemical reactions

Mr. Potato is homozygous dominant (KK), his son, Potato Jr. is heterozygous (Kk). Based on this information, what are the possible genotypes for Mrs. Potato? (Hint: use a Punnet Square).

a) Her genotype is definitely kk

b) Her genotype is either Kk or kk

c) Her genotype is either KK or Kk

d) Her genotype is either KK, or Kk, or kk

e) Mr. Potato cannot be Potato Jrâs biological father

12. Homologous chromosomes:

a) Are members of different chromosome pairs

b) Are genetically identical

c) Carry genetic information that influences the same traits (same genes but probably different alleles)

d) Are only inherited from the mother

e) Are only inherited from the father.

âFitnessâ in an evolutionary sense, refers to an individualâs:

a) Strength

b) Reproductive success

c) Aggressiveness

d) Size

e) Age at death

The fact that individuals who possess favorable traits are more likely to survive and reproduce than those who possess less favorable traits is the basis for the theory of...

a) uniformitarianism.

b) natural selection.

c) the inheritance of acquired characteristics.

d) catastrophism.

e) the fixity of species.

Even with strong selection, genetic variation of a population can be maintained because:

a) Selection only affects one gene at a time.

b) The effects of many alleles are hidden from selection by the effects of other alleles

c) Mutation constantly adds new alleles at an extremely fast rate.

d) Populations always go extinct before their gene frequencies are dramatically altered.

e) Only a and c

Gene Flow is defined as the:
a) Production of new alleles
b) New musical group in which Adam Levine will be the leading vocalist
c) Exchange of genes between populations
d) differential reproductive success of individuals
e) Process by which a DNA base gets extracted out of the nucleus to initiate the process of protein synthesis.

The basic unit of DNA is a molecule called a: a) Nucleotide

b) Base
c) Thymine
d) Prokaryoticcell e) mRNA

How many bases code for one amino acid? a) one

b) two
c) it depends on what amino acid it is d) three
e) four

Hemophilia is a condition that affects: a) more females than males
b) more males than females
c) females and males equally

d) only children born prematurely
e) individuals with a missing portion of chromosome number 5

A clear example of directional selection is:
a) Darwin finches with deeper and thicker beaks associated to a severe drought b) Sickle cell anemia in regions in which Malaria is endemic
c) Achondroplasticdwarfism
d) Fly halteres becoming fully developed wings after modification of a hox gene e) all of the above

Meiosis is evolutionarily significant because:
a) New combination of alleles can arise through independent assortment and crossing over

22.

23.

24.

25.

26.

b) It is the mechanism by which body tissues are repaired
c) It creates somatic cells that are crucial for our body organs to maintain us alive d) It allows forensics to determine the cause of death of unidentified people
e) none of the above

Homologous chromosomes:

a) Are exact copies of each other and contain exactly the same genetic material
b) Are members of different chromosome pairs
c) Are only inherited from the father
d) carry genetic information that influences the same traits (the same genes), however, each of the homologous chromosomes can contain different versions of the same gene (different alleles).

e) carry genetic information that influences different traits because each of the homologous chromosomes contains completely different genes at very different loci

How many chromosome pairs occur in a normal human somatic cell?

a) 46 b) 23 c) 22 d) 24 e) 45

What is the scientific method? Use bullet points to describe the 4 major components.

How is a hypothesis different from a theory?

List the four major components (described during class) necessary for natural selection to occur [AKA Darwinâs Four Postulates] (PDF1-3).

27. Who was Thomas Malthus? In what way(s) Malthus was influential for Darwinâs Theory of Natural Selection? Hint: populations vs resources.

29. What amino acids are being coded for by the gene segment provided below? Nucleotide triplets and their corresponding amino acids are:
ACA= Cysteine; AAA=Phenylalanine; TGG=Threonine; CCT=Glycine; GAT=Leucine; ATA=Tyrosine; AGG=Serine; TCT=Arginine

a) Threonine, serine, glycine, tyrosine, leucine, phenylalanine, arginine, cysteine.

b) Tyrosine, leucine, glycine, threonine, arginine, threonine, serine, cysteine.

c) Arginine, cysteine, serine, glycine, threonine, leucine, phenylalanine, tyrosine.

d) Phenylalanine, leucine, tyrosine, glycine, serine, threonine, cysteine, arginine.

e) Phenylalanine, leucine, tyrosine, glycine, threonine, phenylalanine, arginine, serine.

________30. If you are investigating the inner structure of a new cell and see that it has a significantly larger amount of RER than other cells. You would conclude the cell does a great deal of____?
A. ATP synthesis

B. protein synthesis
C. DNA synthesis
D. active transport
E. polysaccharide hydrolysis

________31. If a cell comes in contact with a toxic substance such as H2O2, it could survive as long as it has a ___ to digest it.
A. DNA
B. peroxisome

C. mitochondria
D. phospholipids
E. intermediate filaments

________32. Some cells have structures to help them withstand osmotic pressure. For example,
A. Plant cells due to their walls
B. Animal cells due to the sodium/potassium pumps

C. Bacterial cell due to their swimming

D. Viruses due to their protein coats

________33. Evolution occurs only as a cell ____.

A. They undergo mitosis
B. Change in their gene pool
C. They move from one habitat to another

D. They begin to eat different foods

________34. Ribosomes are produced in the

A. nucleoli.
B. chromatin.
C. nuclear envelopes.

D. Golgi complex. E. cisternae.

________35. Algae are often green, but there are red and brown species also. What accounts for this difference in color?
A. The chlorophyll of chloroplasts
B. The pigments in other plastids

C. The presence of a mitochondria
D. The accumulation of cellular wastes

________36. The chloroplast and other like prokaryotes have which of the following that helps with photosynthesis?
A. They live in water based environments
B. They have chloroplasts in their cytoplasm

C. Change color in the dark vs. the sun
D. They have photoreceptor proteins in their membranes or mesosomes.

________37. Located in the membrane, we see a set of proteins called receptors that only connect with or bind to specific substances. This is called __.
A. ligand specificity.
B. hormone selectivity.

C. cell tonicity.
D. water saturation. E. signal resolution.

________38. Of the following statements, we could say that ___ is false.
A. All organisms are composed of cells and cell products.
B. An organism's structure and all of its functions are due to the activities of cells.
C. The cellular organelles are the simplest structural and functional unit of life.
D. Cells come from preexisting cells.
E. Cells are made from nonliving components including the nucleus, cell membrane and cytoplasm.

________39. If it is really true that our cells are the smallest anatomical unit that meets all of the properties of life, then which of the following could imply otherwise?
A. vacuoles
B. centrioles

C. Golgi apparatus
D. mitochondria
E. endoplasmic reticulum

________40. Oxygen is an absolute need for animal and plant cells alike due to the ___.

A. RER
B. Mitochondria
C. Lysosomes

D. DNA

________41. In a plasma membrane, we expect to see the carb/protein structures to extend into the ___, but the secondary messengers to move within the __.
A. extracellular fluid; cytosol
B. cytosol; extracellular fluid

C. intracellular fluid; cytosol

D. cytosol; intracellular fluid

E. extracellular fluid; plasma

________42. Bacteria are found in all of the following habitats:

A. Caves
B. Oceans
C. Animals

D. Everywhere on Earth

________43. Two solutions are separated by a selectively permeable membrane. Solution A has a higher concentration of an impermeable solute compared to solution B. Which of the following do you expect would happen?
A. solute will move from solution A to solution B

B. solute will move from solution B to solution A

C. water will more from solution A to solution B

D. water will move from solution B to solution A E. no movement of solute or water will occur

________44. In the kidney, we notice that almost all of the cells involved in the production of urine have high concentrations of the Na+/K+ pump. Which typically works to push Na+ ___ its concentration gradient by using ___.
A. up; active transport

B. up; facilitated transport
C. up; cotransport
D. down; active transport
E. down; facilitated transport

________45. In the charts of a patient recently admitted to the hospital noted that he was taking a medication called lithium and high doses of calcium supplements. Given this, we would expect the patientâs liver to have a higher than normal amount of __ to purify out the lithium and calcium.

A. lysosomes.
B. centrosomes.
C. mitochondria.
D. peroxisomes.
E. rough endoplasmic reticulum.

________46. We have long observed that our neural cells in the brain cannot replicate or replace themselves due to the lack of ____.
A. produce ATP.
B. divide.

C. produce enzymes.
D. secrete material across their plasma membrane E. conduct electrical signals.

________47. An organismâs structure and function is ultimately due to the structure and function of itâs __.
A. Organs
B. Tissues

C. Cells

D. Nuclei

BIOL 329- Final Exam Guide - Comprehensive Notes for the exam ( 43 pages long!)

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