Lecture 4
... ionic compound) if electrons were completely transferred. 1. Free elements (uncombined state) have an oxidation ...
... ionic compound) if electrons were completely transferred. 1. Free elements (uncombined state) have an oxidation ...
Special Study Project III
... 45. In Griffith's experiments, what happened when heat-killed S strain pneumococcus were injected into a mouse along with live R strain pneumococcus? a. DNA from the live R was taken up by the heat-killed S, converting them to R and killing the mouse. b. DNA from the heat-killed S was taken up by t ...
... 45. In Griffith's experiments, what happened when heat-killed S strain pneumococcus were injected into a mouse along with live R strain pneumococcus? a. DNA from the live R was taken up by the heat-killed S, converting them to R and killing the mouse. b. DNA from the heat-killed S was taken up by t ...
BDOL Interactive Chalkboard
... chemical reactions that perform key life functions—breaking down glucose molecules in cellular respiration, digesting food, or making spindle fibers during mitosis. ...
... chemical reactions that perform key life functions—breaking down glucose molecules in cellular respiration, digesting food, or making spindle fibers during mitosis. ...
Ch. 03 The Molecules of Life
... : The attraction forces between water molecules and the slight tendency to ionize are of crucial importance to the structure and function of biomolecules . Several emergent properties arise. ...
... : The attraction forces between water molecules and the slight tendency to ionize are of crucial importance to the structure and function of biomolecules . Several emergent properties arise. ...
Protein Structure III
... If we meet the 80 AAs/25% criterion… Then assume the structures are similar ...
... If we meet the 80 AAs/25% criterion… Then assume the structures are similar ...
chapter 20 lecture (ppt file)
... its active form, usually by hydrolysis, at the active site in the cell. E. g. Pepsinogen is synthesized and transported to the stomach where it is converted to pepsin. The most common form of protein modification is addition or removal of a phosphate group. ...
... its active form, usually by hydrolysis, at the active site in the cell. E. g. Pepsinogen is synthesized and transported to the stomach where it is converted to pepsin. The most common form of protein modification is addition or removal of a phosphate group. ...
Interpreting the Genetic Code
... Reassignment of Stop Codons Changes in stop codon meaning must have occurred after meanings were “frozen” in other organisms, alternatively organisms that exhibit them must have evolved from organisms that never shared the universal genetic code All changes in stop codons must include three changes ...
... Reassignment of Stop Codons Changes in stop codon meaning must have occurred after meanings were “frozen” in other organisms, alternatively organisms that exhibit them must have evolved from organisms that never shared the universal genetic code All changes in stop codons must include three changes ...
EKSIKA -2016 BIOLOGY PAPER 2 (THEORY) 231/2 MARKING
... The number of bacteraial dividing are few; Bacteria are adjusting to hew environment; Hence low increase in population (ii) B and C More cells ae fivding; due suitable environment/adjusted to new environment/fanurable conditions; few dying; therefore high increase in population; (iii) C and D No pop ...
... The number of bacteraial dividing are few; Bacteria are adjusting to hew environment; Hence low increase in population (ii) B and C More cells ae fivding; due suitable environment/adjusted to new environment/fanurable conditions; few dying; therefore high increase in population; (iii) C and D No pop ...
File
... 6 = hex 3 = prop 7 = hept 4 = but 8 = oct Suffix is determined by the type of bond Alkane CnH2n+2 (all bonds are single) Alkene CnH2n (one bond is a double) Alkyne CnH2n-2 (one bond is a triple) ...
... 6 = hex 3 = prop 7 = hept 4 = but 8 = oct Suffix is determined by the type of bond Alkane CnH2n+2 (all bonds are single) Alkene CnH2n (one bond is a double) Alkyne CnH2n-2 (one bond is a triple) ...
Computational Biochemistry - Structural Bioinformatics and
... Sidechains may adopt a variety of different conformations, but this is dependent on the residue type. ...
... Sidechains may adopt a variety of different conformations, but this is dependent on the residue type. ...
Unit 4 (ch 10)
... code from the nucleus to the cytoplasm tRNA/amino acid complex in cytoplasm ribosome brings tRNA/amino acid to mRNA in a particular order as dictated by mRNA nucleotide sequence ribosomes catalyze binding of amino acids into polypeptide; i.e., formation of peptide bonds ...
... code from the nucleus to the cytoplasm tRNA/amino acid complex in cytoplasm ribosome brings tRNA/amino acid to mRNA in a particular order as dictated by mRNA nucleotide sequence ribosomes catalyze binding of amino acids into polypeptide; i.e., formation of peptide bonds ...
Study Guide Nucleotide metabolism 2015
... Nucleotide Synthesis 1. In the synthesis of IMP, why is the second reaction the first committed step? What other pathways utilize PRPP? 2. What is the rate-limiting step of purine synthesis? 3. How is the purine synthetic pathway controlled? 4. What are the amino acid sources for the NH2 come from t ...
... Nucleotide Synthesis 1. In the synthesis of IMP, why is the second reaction the first committed step? What other pathways utilize PRPP? 2. What is the rate-limiting step of purine synthesis? 3. How is the purine synthetic pathway controlled? 4. What are the amino acid sources for the NH2 come from t ...
Chapter 6
... – The path that electrons take on their way down from glucose to oxygen involves many steps. – The first step is an electron acceptor called NAD+. • The transfer of electrons from organic fuel to NAD+ reduces it to NADH. ...
... – The path that electrons take on their way down from glucose to oxygen involves many steps. – The first step is an electron acceptor called NAD+. • The transfer of electrons from organic fuel to NAD+ reduces it to NADH. ...
Adaptations for Nutrition
... plant material is passed up from the rumen and reticulum back into the mouth periodically until it is completely chewed up (known as ...
... plant material is passed up from the rumen and reticulum back into the mouth periodically until it is completely chewed up (known as ...
Powerpoint file - revised
... Therefore, transcriptional initiation is usually the major control point. Most prokaryotic genes are regulated in units called operons (Jacob and Monod, 1960) Operon: a coordinated unit of gene expression consisting of one or more related genes and the operator and promoter sequences that regulate t ...
... Therefore, transcriptional initiation is usually the major control point. Most prokaryotic genes are regulated in units called operons (Jacob and Monod, 1960) Operon: a coordinated unit of gene expression consisting of one or more related genes and the operator and promoter sequences that regulate t ...
CSCI 2951G: Guide to the proteins Code
... uses the data loaded to d to construct a sequence of amino acids, as specified by their 3 letter abbreviations. The final argument is ’b’ to construct them in a straight line (as in a beta sheet), or ’a’ to construct them in a helix (as in an alpha helix ). A 3 letter abbreviation can be preceded by “ ...
... uses the data loaded to d to construct a sequence of amino acids, as specified by their 3 letter abbreviations. The final argument is ’b’ to construct them in a straight line (as in a beta sheet), or ’a’ to construct them in a helix (as in an alpha helix ). A 3 letter abbreviation can be preceded by “ ...
Correlations between the Amino Acid and Nucleotide Composition
... the average nucleotide composition of the corresponding bacteriaI codons on the one hand, and the correlation coefficients between the amino acid and nucleotide composition of the plant viruses on the other. These measures of agreement (Table 2, penultimate column) were positive for all except four ...
... the average nucleotide composition of the corresponding bacteriaI codons on the one hand, and the correlation coefficients between the amino acid and nucleotide composition of the plant viruses on the other. These measures of agreement (Table 2, penultimate column) were positive for all except four ...
Triple Science - Aylsham High School
... Nitrogen fixing bacteria Chemosynthetic bacteria in tube worms in deep sea vents Carbon dioxide, Phosphates, nitrates and sulphur dioxide. Increased burning of fossil fuels and overuse of pesticides and fertilisers. Triggered by excess fertiliser/nitrates/waste being washed into bodies of ...
... Nitrogen fixing bacteria Chemosynthetic bacteria in tube worms in deep sea vents Carbon dioxide, Phosphates, nitrates and sulphur dioxide. Increased burning of fossil fuels and overuse of pesticides and fertilisers. Triggered by excess fertiliser/nitrates/waste being washed into bodies of ...
Nucleotide Metabolism
... 4. Which is a precursor in the de novo synthesize CTP? A) CMP. B) GMP. C) TMP. D) UMP. 5. Which of the following is not a role of a catalytic sulfur atom in ribonucleotide reductase? A) Proton donor B) Radical stabilization C) Redox reaction D) Covalent catalysis 6. Dihydrofolate reductase and thy ...
... 4. Which is a precursor in the de novo synthesize CTP? A) CMP. B) GMP. C) TMP. D) UMP. 5. Which of the following is not a role of a catalytic sulfur atom in ribonucleotide reductase? A) Proton donor B) Radical stabilization C) Redox reaction D) Covalent catalysis 6. Dihydrofolate reductase and thy ...
7.3 Translation (HL ONLY)
... carbon on the first amino acid and the nitrogen on the second amino acid. 8. The backbone of the molecule has the sequence N-C-C-N-C-C 9. Polypeptides maintain this sequence no matter how long the chain. 10. The R groups project from the backbone. 11. As the amino acids are added in translation the ...
... carbon on the first amino acid and the nitrogen on the second amino acid. 8. The backbone of the molecule has the sequence N-C-C-N-C-C 9. Polypeptides maintain this sequence no matter how long the chain. 10. The R groups project from the backbone. 11. As the amino acids are added in translation the ...
1. Which one of the following is the best description of respiration? A
... Which of them are common to both aerobic and anerobic and anerobic respiration in plants? A. (i) and (ii) B. (ii) and (iii) C. (i), (ii) and (iii) D. (ii), ((iv) and (v) 25. Which one of the following is true of both photosynthesis and respiration? A. Involve enzymes. B. Need light energy. C. Are ex ...
... Which of them are common to both aerobic and anerobic and anerobic respiration in plants? A. (i) and (ii) B. (ii) and (iii) C. (i), (ii) and (iii) D. (ii), ((iv) and (v) 25. Which one of the following is true of both photosynthesis and respiration? A. Involve enzymes. B. Need light energy. C. Are ex ...
Energy Systems
... High rates of ATP production by glycolysis cannot be sustained for very long (40-60 sec.) Low muscle pH is associated with hydrogen ion concentration and lactate formation High acidity is believed to contributes to the acute muscular discomfort experienced during intense exercise. ...
... High rates of ATP production by glycolysis cannot be sustained for very long (40-60 sec.) Low muscle pH is associated with hydrogen ion concentration and lactate formation High acidity is believed to contributes to the acute muscular discomfort experienced during intense exercise. ...
Biochemistry
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Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms. By controlling information flow through biochemical signaling and the flow of chemical energy through metabolism, biochemical processes give rise to the complexity of life. Over the last decades of the 20th century, biochemistry has become so successful at explaining living processes that now almost all areas of the life sciences from botany to medicine to genetics are engaged in biochemical research. Today, the main focus of pure biochemistry is in understanding how biological molecules give rise to the processes that occur within living cells, which in turn relates greatly to the study and understanding of whole organisms.Biochemistry is closely related to molecular biology, the study of the molecular mechanisms by which genetic information encoded in DNA is able to result in the processes of life. Depending on the exact definition of the terms used, molecular biology can be thought of as a branch of biochemistry, or biochemistry as a tool with which to investigate and study molecular biology.Much of biochemistry deals with the structures, functions and interactions of biological macromolecules, such as proteins, nucleic acids, carbohydrates and lipids, which provide the structure of cells and perform many of the functions associated with life. The chemistry of the cell also depends on the reactions of smaller molecules and ions. These can be inorganic, for example water and metal ions, or organic, for example the amino acids which are used to synthesize proteins. The mechanisms by which cells harness energy from their environment via chemical reactions are known as metabolism. The findings of biochemistry are applied primarily in medicine, nutrition, and agriculture. In medicine, biochemists investigate the causes and cures of disease. In nutrition, they study how to maintain health and study the effects of nutritional deficiencies. In agriculture, biochemists investigate soil and fertilizers, and try to discover ways to improve crop cultivation, crop storage and pest control.