Exons Studienführer, Klassennotizen & Zusammenfassungen
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SFSU Biology 230 exam 2023/2024 with 100% correct answers
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What are the relationships among genomes, chromosomes, genes, alleles, proteins, traits, and mutations? - correct answer Genomes are chromosomes that are in gametes. Alleles are different versions of the same gene. Proteins directly impact traits. A mutation is an allele and something could be different about the protein. 
 
What are the similarities and differences in what DNA, RNA, and proteins are made of? - correct answer DNA, RNA, and proteins are made of macromolecules. DNA and RNA is ...
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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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Quiz Bank: NURS611/ NURS 611 (NEW 2023/ 2024) Advanced Pathophysiology Exam | 100% Correct | Questions and Verified Answers with Rationales - Maryville
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Quiz Bank: NURS611/ NURS 611 (NEW 
2023/ 2024) Advanced Pathophysiology Exam 
| 100% Correct | Questions and Verified 
Answers with Rationales - Maryville 
 
QUESTION 
Which statement is true regarding termination codons? A. Eighty codons are possible. 
B. Three codons signal the end of a gene. Answer 
C. Seventy codons specify amino acids. 
D. Each amino acid has one codon. 
 
Rationale: 
 Three codons signal the end of a gene, and they are called stop or nonsense codons. 
 
 
 
QUESTI...
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PEBC Part I sample questions and answers already passed
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PEBC Part I sample questions and answers already passed 
1 Folic acid has tetrahydrofolate coenzyme activity which is based on the: a. pyrimidine ring. b. purine ring. c. pyrazine ring. d. pteridine ring. e. pyridine ring. d 
2 Enkephalins are peptides that: a. have narcotic antagonist activity. b. exert actions resembling those of opioids. c. are found only in the central nervous system. d. cause blood vessel wall relaxation. e. transmit pain impulses. b 
3 β-Carotene is the precursor of: a. r...
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PEBC exam 2023 with 100% correct answers
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1 Folic acid has tetrahydrofolate coenzyme activity which is based on the: 
a. pyrimidine ring. 
b. purine ring. 
c. pyrazine ring. 
d. pteridine ring. 
e. pyridine ring. 
d 
 
 
 
2 Enkephalins are peptides that: 
a. have narcotic antagonist activity. 
b. exert actions resembling those of opioids. 
c. are found only in the central nervous system. 
d. cause blood vessel wall relaxation. 
e. transmit pain impulses. 
b 
 
 
 
3 β-Carotene is the precursor of: 
a. retinol. 
b. thiamine. 
c. calcif...
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Problem Sets BIOL 111 – Fletcher LATEST 2023-2024 ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
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Problem Sets BIOL 111 – Fletcher LATEST 
 ACTUAL EXAM QUESTIONS AND 
CORRECT ANSWERS (VERIFIED ANSWERS) 
|ALREADY GRADED A+ 
A particular eukaryotic protein is 800 amino acids long. Which of 
the following could be the maximum number of nucleotides in the 
coding sequence of the mature mRNA that codes for the amino 
acids in this protein? - CORRECT ANSWER 2,400 
The purpose of a spliceosome is to: - CORRECT ANSWER 
remove introns and bring together exons in an mRNA molecule 
Proto-oncog...
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PATHO 370 MIDTERM EXAM LATEST COMPLETE SOLUTION 2023/2024 (Graded A+)
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PATHO 370 MIDTERM EXAM LATEST COMPLETE GUIDE 2023. PATHO 370 Pathophysiology. Gas exchange occurs in which of the respiratory system's structures? 
Selected 
Answer: Trache 
a 
Correct 
Answer: Alveoli 
Response 
Feedback: 
The alveoli allow air to come in indirect contact with the 
bloodstream through the pulmonary capillary system. 
This alveolar membrane, which is one cell thick, allows 
carbon dioxide to diffuse into the alveoli from the 
bloodstream and oxygen to diffuse to the bloodstream ...
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Kaleys Comprehensive Study Guide final exam 2024 latest update
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•	DNA = phosphate + deoxyribose sugar + A/T/C/G 
o	Contains two strands. The strands are antiparallel (opposite each other). 
o 5’ → 3’ 
3’ ← 5’ 
•	RNA = phosphate + ribose sugar + A/U/C/G 
o	Single strand, can fold back onto itself and form pairs between itself (stem‐loop). 
•	Each nucleic acid is made up of polymers (many monomers) that are called nucleotides. 
o	Nucleotides contain one or more phosphates, a five‐carbon sugar, and a nitrogen base. 
o	Nucleotides are alway...
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Biology 1201 Exam 3 with Certified Solutions
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Biology 1201 Exam 3 with Certified 
 
Solutions 
 
One gene-one enzyme hypothesis (figure 17.2) genes code for enzymes 
 
Flow of information from DNA to RNA to protein (figure 17.3 and 17.4) DNA --- 
[transcription]---> mRNA ---[translation]---> Poypeptide 
 
RNA structure versus DNA structure (figure 5.26) deoxyribose is replaced by the 5 carbon 
sugar, ribose 
in DNA, the pyrimidines are C and T 
in RNA, the pyrimidines are C and U; in RNA, U pairs with A 
 
Transcription, RNA polymeras...
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MMSC 491 Exam 1 (Possible Questions with 100% Correct Answers)
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Nucleic Acids are correct answers DNA and RNA 
 
Types of Mutations correct answers 1. Deletion 
2. Duplication 
3. Insertions 
4. Tranlocation 
 
Translocation correct answers DNA is excahnged in reciprocal way from one chromosome to another 
 
Epigenetic Mechanisms correct answers -Changes in the phenotype 
-Heritable Mutation 
-Not from changes in the DNA sequences 
 
Causes of Epgentic mutation correct answers DNA Methylation or Histone modification 
 
Genome correct answers Collective term ...
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