
AP® BIOLOGY 2007 SCORING GUIDELINES (Form B)
... AP® BIOLOGY 2007 SCORING GUIDELINES (Form B) Question 3 A molecule of messenger RNA (mRNA) has just been synthesized in the nucleus of a human cell. (a) What type of modifications may occur to this RNA before it leaves the nucleus? One point for each of the following explanations/identifications (3 ...
... AP® BIOLOGY 2007 SCORING GUIDELINES (Form B) Question 3 A molecule of messenger RNA (mRNA) has just been synthesized in the nucleus of a human cell. (a) What type of modifications may occur to this RNA before it leaves the nucleus? One point for each of the following explanations/identifications (3 ...
The Genetics of Beta-galactosidase-
... operates at the genetic level. These conclusions were drawn from an analysis of data collected from biochemical assays and mutagenesis experiments performed by Jacob and Monod as well as their colleagues (Jacob and Monod 1961). Using methods similar to those of this laboratory exercise, Jacob and Mo ...
... operates at the genetic level. These conclusions were drawn from an analysis of data collected from biochemical assays and mutagenesis experiments performed by Jacob and Monod as well as their colleagues (Jacob and Monod 1961). Using methods similar to those of this laboratory exercise, Jacob and Mo ...
Investigating regulation of aging by transcription factors DAF 16 and
... varying concentrations of 5-hydroxy-p-napthoquinone (juglone). • 24 hours recovery • Longevity phenotypes noted: stress levels and movement • Microarray analysis: measure expression of each group • Cellular mRNA used to produce DNA ...
... varying concentrations of 5-hydroxy-p-napthoquinone (juglone). • 24 hours recovery • Longevity phenotypes noted: stress levels and movement • Microarray analysis: measure expression of each group • Cellular mRNA used to produce DNA ...
Supplementary Figure 1 - Word file (395 KB )
... Supplementary Figure 1. In vivo analysis of full length wild-type GFP-Yap1 and Phe302A, Met306A and Val309A mutant derivatives. Full length GFP-Yap1 was expressed using the YAP1 promoter from a yeast CEN plasmid 6. Point mutations were made using standard oligonucleotide PCR-based mutagenesis proced ...
... Supplementary Figure 1. In vivo analysis of full length wild-type GFP-Yap1 and Phe302A, Met306A and Val309A mutant derivatives. Full length GFP-Yap1 was expressed using the YAP1 promoter from a yeast CEN plasmid 6. Point mutations were made using standard oligonucleotide PCR-based mutagenesis proced ...
Document
... 3.-The longest PEVK region of titin is about 2000 aa long. The contribution that a single aa makes to the contour length of the PEVK region is 0.36 nm. In thermal equilibrium calculate (roughly) the end-to-end length of this protein. Calculate its maximal extension and draw the force-extension relat ...
... 3.-The longest PEVK region of titin is about 2000 aa long. The contribution that a single aa makes to the contour length of the PEVK region is 0.36 nm. In thermal equilibrium calculate (roughly) the end-to-end length of this protein. Calculate its maximal extension and draw the force-extension relat ...
Magic Numbers in Protein Structures
... The exhaustive enumeration in Fig. 2 and the unique description of folds on a cubic lattice are also relevant for the bead model of proteins, which is extensively studied; see a recent discussion, e.g., Ref. [13]. This model is, however, in fundamental principle very different from the present one. ...
... The exhaustive enumeration in Fig. 2 and the unique description of folds on a cubic lattice are also relevant for the bead model of proteins, which is extensively studied; see a recent discussion, e.g., Ref. [13]. This model is, however, in fundamental principle very different from the present one. ...
What is a cell?
... green plants for food-making. The food-making process of green plants is called photo synthesis [Ioht-uh-SIN-thuh-sis]. Most chlorophyll is found in the leaf cells of green plants. Plants can make their own food, Animals cannot. Animal cells do not contain chlorophylL The number and size of vacuoles ...
... green plants for food-making. The food-making process of green plants is called photo synthesis [Ioht-uh-SIN-thuh-sis]. Most chlorophyll is found in the leaf cells of green plants. Plants can make their own food, Animals cannot. Animal cells do not contain chlorophylL The number and size of vacuoles ...
What kind of transport?
... 1. passive transport 2. concentration gradient 3. equilibrium 4. diffusion 5. osmosis 6. hypertonic solution 7. hypotonic solution 8. isotonic solution 9. ion channel 10. carrier protein 11. facilitated diffusion ...
... 1. passive transport 2. concentration gradient 3. equilibrium 4. diffusion 5. osmosis 6. hypertonic solution 7. hypotonic solution 8. isotonic solution 9. ion channel 10. carrier protein 11. facilitated diffusion ...
Nutrition
... Helps improve circulation and reduce the cholesterol level in the blood; Maintain a healthy nervous system; Helps to metabolize protein, sugar and fat; reduces high blood pressure; Increases energy through proper use of food; Helps maintain healthy skin, tongue and ...
... Helps improve circulation and reduce the cholesterol level in the blood; Maintain a healthy nervous system; Helps to metabolize protein, sugar and fat; reduces high blood pressure; Increases energy through proper use of food; Helps maintain healthy skin, tongue and ...
Intrinsic immunity: a front-line defense against viral attack
... inhibition explains the previously described cross-saturation phenomena35,38. Conversely, a rather unique form of TRIM5 exists in owl monkeys, a New World primate41. In this species, a remarkable retrotransposition event has resulted in the insertion of a cyclophilin A (CypA) pseudogene into the TRI ...
... inhibition explains the previously described cross-saturation phenomena35,38. Conversely, a rather unique form of TRIM5 exists in owl monkeys, a New World primate41. In this species, a remarkable retrotransposition event has resulted in the insertion of a cyclophilin A (CypA) pseudogene into the TRI ...
The Regulation of Glutaminolysis and Citric Acid Cycle Activity
... Metabolism is the driving force for cellular life by covering the essential generation of cellular energy and biomass from extracellular substrates. It constitutes the basis for cell growth, and understanding the dynamics in metabolic activity is fundamental for analysis and improvement of biotechno ...
... Metabolism is the driving force for cellular life by covering the essential generation of cellular energy and biomass from extracellular substrates. It constitutes the basis for cell growth, and understanding the dynamics in metabolic activity is fundamental for analysis and improvement of biotechno ...
MCAS Review - Pittsfield Public Schools
... and large molecules. The protein molecules embedded in the bilayer act as channels or pumps to allow certain molecules in or out of the cell. In addition, some of the proteins have carbohydrate chains attached that act as ...
... and large molecules. The protein molecules embedded in the bilayer act as channels or pumps to allow certain molecules in or out of the cell. In addition, some of the proteins have carbohydrate chains attached that act as ...
Kinesin
... Motor domain is similar in both motor proteins Very little amino acid similarity Kinesin is 340 aa while myosin is 850 aa RMS of 3.5 A for 183 aa of kinesin motor domain ...
... Motor domain is similar in both motor proteins Very little amino acid similarity Kinesin is 340 aa while myosin is 850 aa RMS of 3.5 A for 183 aa of kinesin motor domain ...
role of integrins in cancer development
... also obvious that some integrins have distinct functions depending on cell type. For example, α2β1 integrin may participate in the maintenance of differentiated cell phenotype in breast epithelial cells, and therefore it is often down-regulated in breast cancer. However in melanoma, prostate and gas ...
... also obvious that some integrins have distinct functions depending on cell type. For example, α2β1 integrin may participate in the maintenance of differentiated cell phenotype in breast epithelial cells, and therefore it is often down-regulated in breast cancer. However in melanoma, prostate and gas ...
Supplementary feeding of grazing sheep in South Africa
... The target goal when finishing weaned lambs on good quality green veld or cultivated pastures is to minimize the grazing days of lambs by maximizing their growth rate and improving their feed conversion ratio by the supplementation of a Pasture Finisher supplement (± 1.5 % of body weight) with a ver ...
... The target goal when finishing weaned lambs on good quality green veld or cultivated pastures is to minimize the grazing days of lambs by maximizing their growth rate and improving their feed conversion ratio by the supplementation of a Pasture Finisher supplement (± 1.5 % of body weight) with a ver ...
Autophagy in Stem Cell Maintenance and Differentiation
... It was shown that beclin 1 + / - mice exhibit elevated incidence of spontaneous tumors in comparison with wild-type animals [45]. beclin 1 + / - or Atg5 - / - cells engineered to express Bcl2 exhibited elevated DNA damage, gene amplification, chromosomal instability, and aneuploidy, suggesting a con ...
... It was shown that beclin 1 + / - mice exhibit elevated incidence of spontaneous tumors in comparison with wild-type animals [45]. beclin 1 + / - or Atg5 - / - cells engineered to express Bcl2 exhibited elevated DNA damage, gene amplification, chromosomal instability, and aneuploidy, suggesting a con ...
No Slide Title
... • Only demonstrated for a single protein, SkpI, in Dictyostelium • SkpI involved in ubiquitination of cell cycle proteins • Attached O-linked chain at Pro-143 (not conserved) which is first hydroxylated to HyPro ...
... • Only demonstrated for a single protein, SkpI, in Dictyostelium • SkpI involved in ubiquitination of cell cycle proteins • Attached O-linked chain at Pro-143 (not conserved) which is first hydroxylated to HyPro ...
3:2
... – helps position and transport organelles – provides strength – assists in cell division – aids in cell movement ...
... – helps position and transport organelles – provides strength – assists in cell division – aids in cell movement ...
Lesson-Plans-Unit-1-Cells-and-Microbiology
... shoulders of giants.” Students should write down their own interpretation of the quote and how it applies to the scientists that contributed to cell theory. Ask the students to share their thoughts about the meaning of this quote with the class. Assessment: Observation Writing Assignment checked ...
... shoulders of giants.” Students should write down their own interpretation of the quote and how it applies to the scientists that contributed to cell theory. Ask the students to share their thoughts about the meaning of this quote with the class. Assessment: Observation Writing Assignment checked ...
identification of glycosylated peptides
... 210 was selected for further fragmentation using MS3. To further confirm the linked peptide sequence and the site of attachment, ion m/z = 1333 was trapped and fragmented further (MS4). ...
... 210 was selected for further fragmentation using MS3. To further confirm the linked peptide sequence and the site of attachment, ion m/z = 1333 was trapped and fragmented further (MS4). ...
SC.912.L14.3 Cell Structures
... ORGANELLES THAT BUILD PROTEINS What organelles help make and transport proteins? Proteins are assembled on ribosomes. Proteins made on the rough endoplasmic reticulum include those that will be released, or secreted, from the cell as well as many membrane proteins and proteins destined for lysosomes ...
... ORGANELLES THAT BUILD PROTEINS What organelles help make and transport proteins? Proteins are assembled on ribosomes. Proteins made on the rough endoplasmic reticulum include those that will be released, or secreted, from the cell as well as many membrane proteins and proteins destined for lysosomes ...
The art of cellular communication: tunneling nanotubes bridge the
... establishing supracellular organization in other tissues containing electrically excitable cells as heart and smooth muscle cells. Furthermore, these proteinaceous channels interconnect cells of the multicellular layer forming epithelial tissues. Finally, cell-to-cell coupling via gap junctions is a ...
... establishing supracellular organization in other tissues containing electrically excitable cells as heart and smooth muscle cells. Furthermore, these proteinaceous channels interconnect cells of the multicellular layer forming epithelial tissues. Finally, cell-to-cell coupling via gap junctions is a ...
Knocking on the heaven`s wall: pathogenesis of and resistance to
... jasmonate signalling pathways did not change the resistant phenotype [11]. These findings exclude the possibility that GSL5/PMR4 functions as compatibility factor, and suggest that the callose synthase isoform is specifically interconnected with the SA defence pathway. Why and how should an enzyme ...
... jasmonate signalling pathways did not change the resistant phenotype [11]. These findings exclude the possibility that GSL5/PMR4 functions as compatibility factor, and suggest that the callose synthase isoform is specifically interconnected with the SA defence pathway. Why and how should an enzyme ...