Watson crick - Study guides, Class notes & Summaries
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TTU Biology 1402 Exam 2- Dr. Held Latest Update Already Passed
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TTU Biology 1402 Exam 2- Dr. Held 
Latest Update Already Passed 
 
Karyotyping (#chromosome) -To determine if the patient has an abnormal # of chromosomes 
- "A photographic inventory of an individual's chromosomes." 
- ordered display of chromosomes, doubled. 
 
Criss- Cross Inheritance Sons inherit their X chromosome from their mother 
 
Codominance -The heterozygote expresses both traits (alleles). -"A" and "B" genes make 
structures (not enzymes)= sugar types. 
-Ex) Blood types (A,B, ...
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MTTC INTEGRATED SCIENCE EXAM 2024 WITH 100% CORRECT ANSWERS
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Graticule slide Answer - marked with grid line, useful for counting or estimating a quantity 
 
Preparing acid solutions Answer - Always add acid to 2/3 water, then add rest of water 
 
# of Animal species Answer - over 1 million species and about 30 divisions 
 
# of insects Answer - 800,000 species, half of animal kingdom 
 
Characteristics of animal kingdom Answer - muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, can move at some stage of life, can r...
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DNA and Cell Cycle Exam | 64 Questions with 100% Correct Answers | Latest Update 2024 | Rated A+
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DNA and Cell Cycle Exam | 64 Questions with 100% Correct Answers | Latest Update 2024 | Rated A+ 
DNA - Molecule that stores genetic material 
DNA replication - process of using half of the original DNA strand as a template to building two identical copies of DNA. 
double helix - Name of first accurate model of DNA 
Watson and Crick - Scientists that made the first accurate model of DNA 
Rosaland Franklin - Her x-ray diffraction pictures of DNA aided Watson and Crick to develop their helical mod...
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IB Biology Paper 1 Questions And Answers Already Passed
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IB Biology Paper 1 Questions And 
 
Answers Already Passed 
 
Prokaryote or Eukaryote in paramecium? Compartments in the cell indicates that it's a 
eukaryote 
 
Property of water which makes it suitable for living? Thermal 
 
Watson and Crick discovery about DNA DNA is double helix 
 
What occurs in meiosis but not in mitosis? Homologous chromosomes pair up 
 
Variation within a population Fertilization and mutation 
 
properties of stem cells they can differentiate 
 
phospholipid bilayer the...
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Helix Exam Part 2 Questions & Answers 2024/2025
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Helix Exam Part 2 Questions & Answers 2024/2025 
 
 
why did Wilkins opt to take a cab to the cavendish instead of riding the bus? - ANSWERSthere were four of them to share the cost and he wouldn't have to wait at the bus stop with Rosy. 
 
what were Rosy's view of Wilkin's wanting to small talk when they arrived at the cavendish? - ANSWERSshe wanted to know where things stood and was not there to throw around foolish words. 
 
what was Wilkin's and Franklin's response to Watson and Crick'...
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Science Bowl Biology Questions and Answers 100% Pass
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Science Bowl Biology Questions and 
 
Answers 100% Pass 
 
The purine bases are: 
A. adenine and guanine 
B. adenine and cytosine 
C. thymine and cytosine 
D. uracil, thymine, 
and cytosine A 
 
2. Four chromatids would be considered a: 
A. mutation 
 
B. non-disjunction 
C. tetrad 
 
D. synapses C 
 
3. Which of the following is NOT in the class insecta: 
A. bees 
 
B. moths 
 
C. fireflies 
 
D. spiders D 
 
4. Plant cells differ from animal cells in that only plant cells possess: 
A. a nucleu...
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Biology 5235 Praxis 2 Latest Update Graded A+
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Biology 5235 Praxis 2 Latest Update Graded A+ observation the act of noticing and describing events or processes in a careful, orderly way 
hypothesis scientific explanation for a set of observations that can be tested in ways that support or reject it 
independent variable variable that is deliberately changed (manipulated variable) 
dependent variable variable that is observed and that changes in response to the independent variable (responding variable) 
control group exposed to the same cond...
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HSC Biology Exam Questions And Answers
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HSC Biology Exam Questions And Answers 
Asexual reproduction 
Process by which a single parent reproduces by itself 
 
 
Sexual reproduction 
A reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents 
 
 
External fertilisation 
The process by which the female lays eggs and the male fertilizes them once they are outside of the female 
 
 
Internal fertilisation 
fertilization of an egg by sperm that occurs insi...
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CBE 205 Final questions with answers 2024
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CBE 205 FinalCentral dogma - correct answer -DNA to RNA to Protein 
-Replication-Transcription-Translation 
 
Watson and crick base pairing - correct answer -DNA: Adenine (A) to Thymine (T), Guanine(g) with cytosine (C) 
-RNA only change is A to U 
 
Replication - correct answer -Copying DNA 
-DNA polymerase catalyse the addition of DNA (deoxynucleotides) DNA 
-Primer is need to start new strand 
 
Direction of DNA synthesis - correct answer - 5' to 3' 
 
Major enzymes in DNA replication - co...
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lecture 8- DNA replication exam questions with 100% correct answers(graded A+)
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describe the duplex of an E. coli duplex? 
circular + molecules of about 4636kb 
 
 
 
describe DNA within an E. coli? 
compact 
 
 
 
 
describe the 2 ways DNA is compacted? 
looping 
 
loops are attached a the base in an unknown way. 
 
Supercoiling 
 
 
 
how large is our haploid genome? 
3.2 Gap 
 
 
 
what is the spacing between base pairs? 
0.34 nm 
 
 
 
thus what is the total length of of DNA in all somatic cells? 
2.2m 
 
 
 
what is the diameter of our nucleus? 
6 um 
 
 
 
how long is...
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