How can we help?

You can also find more resources in our Help Center.

Study sets matching "chapter 4 molecular biology"

Study sets
Classes
Users

Study sets matching "chapter 4 molecular biology"

82 terms
Chapter 4 Molecular Biology
Nucleotide
nucleoside
nucleic acid polymerization
Pyrimidines
-sugar ... -base ... -phosphates
sugar + base
-5' to 3' synthesis and base sequence ... -antiparallel and comp…
-one ring (CUT)... Cytosine ... Thymine ... Uracil
Nucleotide
-sugar ... -base ... -phosphates
nucleoside
sugar + base
Cell & Molecular Biology Chapter 4
Cytoplasm
Microfilament
Bacteria
Pseudopodia
The plasma membrane and cell contents with the exception of t…
Thin fibers consisting of actin protein subunits; form part o…
Prokaryotic organisms that have peptidoglycan in their cell w…
A temporary extension of an amoeboid cell that is used for fe…
Cytoplasm
The plasma membrane and cell contents with the exception of t…
Microfilament
Thin fibers consisting of actin protein subunits; form part o…
Cell & Molecular Biology Chapter 4
Cytoplasm
Microfilament
Bacteria
Pseudopodia
The plasma membrane and cell contents with the exception of t…
Thin fibers of actin protein subunits; from part of the cytos…
Prokaryotic organisms that have peptidoglycan in their cell w…
A temporary extension of an amoeboid cell that is used for fe…
Cytoplasm
The plasma membrane and cell contents with the exception of t…
Microfilament
Thin fibers of actin protein subunits; from part of the cytos…
56 terms
Chapter 4: Molecular Biology
genetics
a gene
a gene is composed of
linear sequence of bases in DNA conver…
study that deals with the mechanisms by which traits are pass…
element of information that specifies the sequences of amino…
DNA
linear sequence of bases in RNA
genetics
study that deals with the mechanisms by which traits are pass…
a gene
element of information that specifies the sequences of amino…
21 terms
Unit 3 - Chapter 4 - Molecular Biology in Medicine
amniocentesis
amniotic fluid
antibodies
antigens
A technique of prenatal diagnosis in which amniotic fluid, ob…
Fluid in the amniotic sac that surrounds and protects the dev…
An antigen-binding immunoglobulin, produced by B cells, that…
Foreign material that invades the body - chemical compounds t…
amniocentesis
A technique of prenatal diagnosis in which amniotic fluid, ob…
amniotic fluid
Fluid in the amniotic sac that surrounds and protects the dev…
109 terms
Cell and Molecular Biology, Chapter 4
Plasma membrane
Plasma membrane is not detectable with…
The 2 dark-staining layers in the elec…
All membranes examined closely from pl…
The outer boundary of the cell that separates it from the wor…
..light microscope; need electron microscope
...the inner and outer polar surfaces of the bilayer
...the same ultrastructure
Plasma membrane
The outer boundary of the cell that separates it from the wor…
Plasma membrane is not detectable with…
..light microscope; need electron microscope
59 terms
Princeton Review Biology Chapter 4: Molecular Biology
Mnemonic for remembering which are pur…
Difference between nucleoside and nucl…
In what direction is the DNA double he…
True or false: If the fraction of puri…
CUT the Py
Nucleotide has phosphate(s) on the 5' hydroxy group
R-handed (clockwise corkscrew)
False - You only know that the ratio of purines to pyrimidine…
Mnemonic for remembering which are pur…
CUT the Py
Difference between nucleoside and nucl…
Nucleotide has phosphate(s) on the 5' hydroxy group
48 terms
Chapter 4 Molecular Biology
Dr. Ian ______________ announced the f…
What 2 processes refer to cloning in t…
Restriction endonucleases, using the p…
________________ cleave DNA at interna…
Ian Wilmut... a sheep Dolly... Mice, cattle and cats
Reproduction of daughter cells by fission or mitotic division
Immune... Enzyme... Foreign DNA
Endonucleases ... Exonucleases... A methyl group to a nucleotide
Dr. Ian ______________ announced the f…
Ian Wilmut... a sheep Dolly... Mice, cattle and cats
What 2 processes refer to cloning in t…
Reproduction of daughter cells by fission or mitotic division
82 terms
Chapter 4 Molecular Biology (other)
Nucleotide
nucleoside
nucleic acid polymerization
Pyrimidines
-sugar ... -base ... -phosphates
sugar + base
-5' to 3' synthesis and base sequence ... -antiparallel and comp…
-one ring (CUT)... Cytosine ... Thymine ... Uracil
Nucleotide
-sugar ... -base ... -phosphates
nucleoside
sugar + base
79 terms
Chapter 4: Fundamentals of Molecular Biology
Mol. bio:
Recombinant DNA:
Heredity:
Gregor Mendel & Genes:
-focuses on the mechanisms of transmission and expression of…
-Recombinant DNA technology allowed principles and experiment…
-All organisms inherit genetic info specifying their structur…
-The classical principles of genetics were deduced by Gregor…
Mol. bio:
-focuses on the mechanisms of transmission and expression of…
Recombinant DNA:
-Recombinant DNA technology allowed principles and experiment…
13 terms
Chapter 4 molecular biology
Interrupted gene
Primary RNA transcript
RNA splicing
Intron
A gene in which the coding sequence is not continuous due to…
The original unmodified RNA product corresponding to a transc…
The process of exercising introns from RNA and connecting the…
A segment of DNA that is transcribed but later removed from w…
Interrupted gene
A gene in which the coding sequence is not continuous due to…
Primary RNA transcript
The original unmodified RNA product corresponding to a transc…
25 terms
BIO CHAPTER 4: Molecular Biology
Deoxyribonucleic Acid (DNA)
Purines
Pyrimidines
Nucleoside(s)
a nucleic acid found exclusively in the nucleus that codes fo…
sugar group + base only, no phosphates
Deoxyribonucleic Acid (DNA)
a nucleic acid found exclusively in the nucleus that codes fo…
Purines
14 terms
Chapter 4 Molecular Biology
Interrupted gene
Exon
Intron
RNA splicing
A gene in which the coding sequence is not continuous due to…
Any segment of an interrupted gene that is represented in the…
A segment of DNA that is transcribed but later removed from w…
The process of excising introns from RNA and connecting the e…
Interrupted gene
A gene in which the coding sequence is not continuous due to…
Exon
Any segment of an interrupted gene that is represented in the…
13 terms
chapter 4 molecular biology
enzymes
prob with bond formation
molecules that donate energy
larger amt of free energy
often involved in the breaking of covalent bonds, doesnt alte…
small to form large = + dela g... thought for the longest time t…
unstable
molecule will if linked together by weak cov bonds... stronger b…
enzymes
often involved in the breaking of covalent bonds, doesnt alte…
prob with bond formation
small to form large = + dela g... thought for the longest time t…
34 terms
Molecular Biology Chapter 4
Interrupted gene
Primary (RNA) transcripts
RNA splicing
transcriptome
A gene in which the coding sequence is not continuous due to…
The original unmodified RNA product corresponding to a transc…
The process of excising introns from RNA and connected the eo…
the complete set of RNA present within a cell tissue or organ…
Interrupted gene
A gene in which the coding sequence is not continuous due to…
Primary (RNA) transcripts
The original unmodified RNA product corresponding to a transc…
109 terms
Chapter 4 - Molecular Biology
CELL
CELLS
ROBERT HOOKE
ANTON VAN LEEWENHOEK
A _____ is the smallest unit that can carry out all life proc…
______ make up all living things.
________________ first discovered cells and gave them the nam…
______________ was the first to see living cells, specificall…
CELL
A _____ is the smallest unit that can carry out all life proc…
CELLS
______ make up all living things.
46 terms
Chapter 4: Molecular Biology
Gene
Replication
Transcription
mRNA
functional unit of genetic information
DNA is duplicated
information from DNA is transferred to RNA; carried out by RN…
encodes polypeptides
Gene
functional unit of genetic information
Replication
DNA is duplicated
21 terms
Chapter 4 - Molecular Biology
cell membrane
cytoplasm
ribosomes
endoplasmic riticulum
barrier between the cell and its external enviornment
watery type material that fills the cell
produces proteins for cells
membrane system of folded sacs and tunnels
cell membrane
barrier between the cell and its external enviornment
cytoplasm
watery type material that fills the cell
23 terms
Molecular Biology- Chapter 4
Organic chemistry
Isomers
Structural Isomers
Geometric Isomers
The branch of chemistry that specializes in the study of carb…
compounds that have the same numbers of atoms of the same ele…
differ in the covalent arrangements of their atoms and differ…
carbons have different covalent bonds to the same atoms, but…
Organic chemistry
The branch of chemistry that specializes in the study of carb…
Isomers
compounds that have the same numbers of atoms of the same ele…
69 terms
Molecular Biology Chapter 4
Friedrich Miescher
Phoebus Levene
Frederick Griffith
Oswald Avery
a Swiss Physician, isolated DNA in 1869 from leukocytes from…
Tetranucleotide Hypothesis (1912) - bases were believed to be…
working on pneumonia, discovers transformation
later showed DNA was the genetic material (via transformation…
Friedrich Miescher
a Swiss Physician, isolated DNA in 1869 from leukocytes from…
Phoebus Levene
Tetranucleotide Hypothesis (1912) - bases were believed to be…
28 terms
Chapter 4 (Honors Molecular Biology)
eukaryotic cells
prokaryotic cells
organelle
nucleus
a type of cell that:... - has a nucleus... - needs oxygen... - contain…
a type of cell that:... - does not have a nucleus ... - does not ne…
a highly organized structure inside a cell serving a speciali…
membrane-lined compartment enclosing DNA in eukaryotic cells
eukaryotic cells
a type of cell that:... - has a nucleus... - needs oxygen... - contain…
prokaryotic cells
a type of cell that:... - does not have a nucleus ... - does not ne…
21 terms
Cell and Molecular Biology Chapter 4
Cell (plasma) membrane
Cytoplasm
Organelles
Nucleus
Separates intracellular and extracellular compartments. ... Sele…
Gel-like internal environment of the cell
Subcellular structures within the cytoplasm ... Performs specifi…
Contains the cell's DNA
Cell (plasma) membrane
Separates intracellular and extracellular compartments. ... Sele…
Cytoplasm
Gel-like internal environment of the cell
12 terms
Biology Chapter 4: Carbon and Molecular Diversity
the study of compounds that contain ca…
Carbon's Electron configuration allows…
Carbon has a Tetrahedral shape
Carbon has a flatter shape
organic chemistry
four atoms (tetravalence)
Single Bonds
Double Bonds
the study of compounds that contain ca…
organic chemistry
Carbon's Electron configuration allows…
four atoms (tetravalence)
12 terms
Biology Chapter 4: Carbon and Molecular Diversity
the study of compounds that contain ca…
Carbon's Electron configuration allows…
Carbon has a Tetrahedral shape
Carbon has a flatter shape
organic chemistry
four atoms (tetravalence)
Single Bonds
Double Bonds
the study of compounds that contain ca…
organic chemistry
Carbon's Electron configuration allows…
four atoms (tetravalence)
39 terms
Cell and Molecular Biology Chapter 4: Proteins
What are proteins made of?
What is the primary structure of prote…
What is the secondary structure of pro…
What is the tertiary structure of prot…
Amino acids linked by peptide bonds
amino acid sequence
local formation of alpha helices and beta strands, loops and…
three-dimensional shape bringing parts of the protein together
What are proteins made of?
Amino acids linked by peptide bonds
What is the primary structure of prote…
amino acid sequence
14 terms
Cell and Molecular Biology Chapter 4
carbon chains; vary in length; straigh…
organic molecules consisting of only c…
compounds with the same numbers of ato…
differ in the covalent arrangement of…
what form the skeletons of most organic molecules?
what are hydrocarbons?
what are isomers?
what are structural isomers?
carbon chains; vary in length; straigh…
what form the skeletons of most organic molecules?
organic molecules consisting of only c…
what are hydrocarbons?
59 terms
Princeton Review Biology Chapter 4: Molecular Biology
Mnemonic for remembering which are pur…
Difference between nucleoside and nucl…
In what direction is the DNA double he…
True or false: If the fraction of puri…
CUT the Py
Nucleotide has phosphate(s) on the 5' hydroxy group
R-handed (clockwise corkscrew)
False - You only know that the ratio of purines to pyrimidine…
Mnemonic for remembering which are pur…
CUT the Py
Difference between nucleoside and nucl…
Nucleotide has phosphate(s) on the 5' hydroxy group
25 terms
Bio Chapter 4: Molecular Biology
Purines
Pyrimidines
2 hydrogen bonds
3 hydrogen bonds
Adenine, guanine
Cysteine, thymine
A-T
C-G
Purines
Adenine, guanine
Pyrimidines
Cysteine, thymine
59 terms
Princeton Review Biology Chapter 4: Molecular Biology
Mnemonic for remembering which are pur…
Difference between nucleoside and nucl…
In what direction is the DNA double he…
True or false: If the fraction of puri…
CUT the Py
Nucleotide has phosphate(s) on the 5' hydroxy group
R-handed (clockwise corkscrew)
False - You only know that the ratio of purines to pyrimidine…
Mnemonic for remembering which are pur…
CUT the Py
Difference between nucleoside and nucl…
Nucleotide has phosphate(s) on the 5' hydroxy group
16 terms
Biology chapter 4 ( Carbon and Molecular Diversity Of Life)
Organic Chemistry
Hydrocarbons
Isomers
Structural isomers
The study of compounds containing carbon.
Organic molecules consisting of only carbon and hydrogen mole…
Compounds that have the same number of atoms and the same ele…
Differ in covalent arrangements of their atoms.
Organic Chemistry
The study of compounds containing carbon.
Hydrocarbons
Organic molecules consisting of only carbon and hydrogen mole…
Molecular biology of the cell Chapter 4
Describes the relative orientation of…
Two nucleotides in an RNA or DNA molec…
Constricted region of a mitotic chromo…
Complex of DNA, histones, and non-hist…
antiparallel
base pair
centromere
chromatin
Describes the relative orientation of…
antiparallel
Two nucleotides in an RNA or DNA molec…
base pair
58 terms
Molecular Biology Chapter 4 Terms
nucleolus
nuclear envelope
protein-lined pores
chromatin
site where special type of RNA called ribosomal RNA (rRNA) is…
double membrane which encloses the nucleus, each membrane is…
pores on the nuclear envelope that regulate the entry and exi…
complex of protein and DNA... when cell is not dividing, the ch…
nucleolus
site where special type of RNA called ribosomal RNA (rRNA) is…
nuclear envelope
double membrane which encloses the nucleus, each membrane is…
20 terms
Molecular Biology 3020 Chapter 4 cwalker
Semiconservative Replication
Transformation
DNA Polymerase
Transcription
One strand of parental DNA is conserved in each progeny DNA m…
Bacterial transformation A non pathogenic strain of pnemococc…
Can Catalyze DNA in vitro
RNA molecules are synthesized from DNA template
Semiconservative Replication
One strand of parental DNA is conserved in each progeny DNA m…
Transformation
Bacterial transformation A non pathogenic strain of pnemococc…
67 terms
Cell and Molecular Biology, Chapter 4, cont.
Voltage gated potassium channel
Eukaryotic potassium channel
Pore domain
Voltage-sensing domain
Contains six membrane-spanning helices; single channel has 4…
Contains six membrane-associated helices; helices can be grou…
Permits the selective passage of potassium ions
consists of helices S1-S4 that sense the voltage across the p…
Voltage gated potassium channel
Contains six membrane-spanning helices; single channel has 4…
Eukaryotic potassium channel
Contains six membrane-associated helices; helices can be grou…
15 terms
Molecular Biology-Chapter 4 Scientists
Thomas Morgan
Beadle & Tatum
Frederick Griffith
Avery, McCarthy, & MacLeod
Early 1900s; studies fruit flies, first mapped a gene to a sp…
1941; studied the fungus Neurospora crassa, found evidence li…
1928; studied Streptococcus pneumoniae, discovered transforma…
1944; confirmed that DNA is the genetic material
Thomas Morgan
Early 1900s; studies fruit flies, first mapped a gene to a sp…
Beadle & Tatum
1941; studied the fungus Neurospora crassa, found evidence li…
180 terms
Chapter 4 Fundamentals of Molecular Biology
allowed fundamental principles and exp…
allowed isolation and characterization…
all organisms _____ genetic info speci…
all cells arise from ________ cells, s…
recombinant dna technology
recombinant dna technology
inherit
pre-existing
allowed fundamental principles and exp…
recombinant dna technology
allowed isolation and characterization…
recombinant dna technology
56 terms
Biology 121 Cellular & Molecular Biology Chapter 4
What are the three main things that co…
What are the five main functions of ce…
What's the cells size range?
What is diffusion?
1. Every organism is made up of one or more cells.... 2. The sma…
1. Obtaining energy and nutrients... 2. Synthesizing biological…
1-100 micrometers
The process by which molecules dissolve into fluids, and disp…
What are the three main things that co…
1. Every organism is made up of one or more cells.... 2. The sma…
What are the five main functions of ce…
1. Obtaining energy and nutrients... 2. Synthesizing biological…
25 terms
Chapter 4: Genes and the History of Molecular Biology
Charles Darwin
GREGOR MANDEL
Genetics
Gene
Mid-1800s: introduced REVOLUTIONARY new thinking into biology…
Modern genetics; inheritance in pea plants by crossbreeding;…
Scientific study of inheritance acquired the name
Fundamental unit of heredity; a unit of heredity that is tran…
Charles Darwin
Mid-1800s: introduced REVOLUTIONARY new thinking into biology…
GREGOR MANDEL
Modern genetics; inheritance in pea plants by crossbreeding;…
40 terms
Cell & Molecular Biology Chapter 4
Cell Theory
Magnification
Resolution
Contrast
1. All living things are composed of one or more cells... 2. Cel…
Ratio between size or and image produced by a microscope and…
Ability to observe two adjacent objects as distinct from one…
Can be enhanced using dyes
Cell Theory
1. All living things are composed of one or more cells... 2. Cel…
Magnification
Ratio between size or and image produced by a microscope and…
15 terms
Molecular Biology-Chapter 4 Scientists
Thomas Morgan
Beadle & Tatum
Frederick Griffith
Avery, McCarthy, & MacLeod
Early 1900s; studies fruit flies, first mapped a gene to a sp…
1941; studied the fungus Neurospora crassa, found evidence li…
1928; studied Streptococcus pneumoniae, discovered transforma…
1944; confirmed that DNA is the genetic material
Thomas Morgan
Early 1900s; studies fruit flies, first mapped a gene to a sp…
Beadle & Tatum
1941; studied the fungus Neurospora crassa, found evidence li…
20 terms
Chapter 4 Biology: C & the Molecular Diversity of Life
Organic Molecules
Organic Chemistry
Hydrocarbons
Carbons can form __ covalent bonds
Molecules that contain C (and H)
Study of carbon compounds
Compounds that contain only C & H
4
Organic Molecules
Molecules that contain C (and H)
Organic Chemistry
Study of carbon compounds
46 terms
Molecular Biology of the Gene Chapter 4
Polynucleotide Chains
Nucleotide
Nucleoside
Joining Nucleotides
Twisted around each other to form a double helix.
Phosphate + 2'-deoxyribose + base
Base + 2'-deoxyribose with glycosidic bonds
3' OH of the 2'-deoxyribose of one nucleotides joins to the o…
Polynucleotide Chains
Twisted around each other to form a double helix.
Nucleotide
Phosphate + 2'-deoxyribose + base
22 terms
Molecular Biology Chapter 4-5
In prokaryotes, the interaction of the…
In prokaryotes, _____ binds to the unw…
In eukaryotes, _____ binds to the unwo…
In prokayotes, the _____ ensures proce…
dnaA protein
ssb
RPA
Beta clamp/PCNA
In prokaryotes, the interaction of the…
dnaA protein
In prokaryotes, _____ binds to the unw…
ssb
20 terms
Molecular Bio, chapter 4
Packaging of DNA in each cell= 24 mile…
A) Chromatin isolated during interphas…
unpacked/decondensed chromatin= ... beeds…
EACH HISTONE = NOT IDENTICAL... 1 HISTON…
NUCLEOSOME=LINKER REGION +DNA WRAPPED AROUND HISTONES... NUCLEA…
Packaging of DNA in each cell= 24 mile…
A) Chromatin isolated during interphas…
18 terms
Chapter 4: fundamentals of molecular biology
What is the genome?
What is differentiation?
What is tanscription?
Purpose of ribosomes?
- Is a library housed in the nucleus full cookbooks... - Each ce…
- Only one theme per cell... - Every cell has the entire library…
- RNA is a xerox copy of a recipe taken from the books in the…
- Are the chefs that read the recipes and make the meal (prot…
What is the genome?
- Is a library housed in the nucleus full cookbooks... - Each ce…
What is differentiation?
- Only one theme per cell... - Every cell has the entire library…
30 terms
Honors Molecular Biology Chapter 4 Vocabulary
Eukaryotic cell
Prokaryotic cell
Nucleus
Organelle
Cells whose primary complement of DNA is enclosed within a nu…
Cells whose DNA isn't enclosed within a nucleus
A membrane lined compartment that encloses the primary comple…
A highly organized structure, internal to a cell, that serves…
Eukaryotic cell
Cells whose primary complement of DNA is enclosed within a nu…
Prokaryotic cell
Cells whose DNA isn't enclosed within a nucleus
38 terms
Chapter 4: Concepts in Molecular biology
James Watson and Francis Crick did what?
Basic DNA structure
A to T has how many bonds?
G to C has how many bonds?
Double helix model of DNA, Based on earlier work of Erwim Cha…
Sugar phosphate backbone, Hydrogen bonds between base.
2 covalent bonds
3 covalent bonds
James Watson and Francis Crick did what?
Double helix model of DNA, Based on earlier work of Erwim Cha…
Basic DNA structure
Sugar phosphate backbone, Hydrogen bonds between base.
20 terms
Molecular Biology in medical diagnosis: Chapter 4
history of molecular biology
alkoptonuria
PKU: phenylketonuria
Hypothyrodisim
Sir archibald E garrod found the first link between an enzyme…
is when unrine turns black when exposed to air, its linked to…
is a test conducted shortly after birth, the heel of the babi…
a disorder caused by small or improperly functioning thyroid…
history of molecular biology
Sir archibald E garrod found the first link between an enzyme…
alkoptonuria
is when unrine turns black when exposed to air, its linked to…
11 terms
Biology: Chapter 4 Carbon and Molecular Diverisity
Isomers
Structural isomers
Geometric Isomers
Enatiomers
Compounds with the same molecular formula, but different stru…
Have different covalent arrangements of their atoms
Have different spacial arrangements
Different spacial arrangement around an asymmetric carbon- mi…
Isomers
Compounds with the same molecular formula, but different stru…
Structural isomers
Have different covalent arrangements of their atoms
36 terms
Chapter 4: Molecular Biology in Medical Diagnosis
amniocentesis
amniotic fluid
antibodies
antigens
procedure in which a sample is obtained of amniotic fluid tha…
fluid surrounding and protecting the embryo or fetus in the a…
proteins produced by animals in response to antigens and whic…
compounds, usually proteins, that can trigger the immune syst…
amniocentesis
procedure in which a sample is obtained of amniotic fluid tha…
amniotic fluid
fluid surrounding and protecting the embryo or fetus in the a…
1 of 10