Auxin Study guides, Revision notes & Summaries
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Ag Crop Physiology Final Exam 2022 with complete solution
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Ag Crop Physiology Final Exam 2022 with complete 
solution 
Define a plant hormone -Ans>>a plant hormone is an organic compound that is 
synthesized in one part of the plant and translocated to another part, and in low 
concentrations it will cause a physiological response 
List the three primary groups of secondary metabolites and describe their chemical 
difference. -Ans>>-terpenes 
-phenolics 
-nitrogen- containing compounds 
What type of experiment did scientists conduct usin...
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AP BIOLOGY EXAM PRACTICE
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Section I (Multiple-Choice Questions) 
Time: 80 minutes 
100 questions 
 
Directions: Each of the following questions or statements is followed by five possible answers or sentence completions. Choose the one best answer or sentence completion. 
 
 
1.	In which of the following are the nuclear activities most opposite? 
A.	prophase and metaphase 
B.	prophase and anaphase 
C.	prophase and telophase 
D.	metaphase and anaphase 
E.	metaphase and telophase 
 
2.	A severe storm forms a new river that...
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Edexcel A level Biology 2023 ( Question and answers A+ Graded)
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Molecular phylogeny correct answers It compares the structure of a particular molecule from different organisms to discover their degree of evolutionary relation. 
 
Somatic cell correct answers A cell in an organism which isn't a gamete. 
 
DNA correct answers Deoxyribose nucleic acid. Carries the genetic information for cells and some viruses. 
 
mRNA correct answers Messenger ribose nucleic acid (single stranded). The product of transcription. 
 
Speciation correct answers The process throug...
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DAT EXAM STUDY Guide with 100% Verified Solutions | Guaranteed Success | Already Graded
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compound interest - 
30 60 90 triangle 
45 45 90 triangle - 
Solubitlity Rules - 1) group 1, NO3-, NH4+, ClO4-, C2H3O2- (acetate) soluble salt 
2) Most Ag+, Pb2+, Hg2 (2+) salt insoluble (exept when paired with above). 
Plant Hormones (A CAGE) - Auxin / IAA (indoleacetic acid): plant growth, elongation, 
phototropism
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Edexcel A Level Biology Paper 2 Mark Scheme June 2022: GCE In Biology B (9BI0/02) Paper 2 | Advanced Physiology, Evolution and Ecology
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Edexcel A Level Biology Paper 2 Mark Scheme June 2022: GCE In Biology B (9BI0/02) Paper 2 | Advanced Physiology, Evolution and Ecology. 
A calculation that makes reference to the following points: 
• correct calculation of percentage cytosine (1) 
• correct calculation of number of nucleotides (1) 
15 % cytosine 
15 % of 10 000 = 1500 
Correct answer with no working gains full 
marks 
One mark for 15 % (2) 
Question 
Number Answer Additional Guidance Mark 
2 (a)(i) The only correct answer is...
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PCA Exam Defoliants Latest 2024 Rated A+
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PCA Exam Defoliants Latest 2024 
 
Rated A+ 
 
Defoliation Leaf loss or leaf absicisson. In cotton production, it usually refers to leaf loss 
associated with application of a chemical that injures the leaf. Defoliation can also occur through 
natural leaf maturation and senessence, particularly with cooling weather after boll development 
 
Desiccation acclereated drying of plant tissue 
 
Harvest Aid Chemical chemicals with various modes of action that facilitate machine harvest 
by influencin...
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Edexcel A Level Biology Paper 2 Mark Scheme June 2022: GCE In Biology B (9BI0/02) Paper 2: Advanced Physiology, Evolution and Ecology
- Exam (elaborations) • 34 pages • 2023
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Edexcel A Level Biology Paper 2 Mark Scheme June 2022: GCE In Biology B (9BI0/02) Paper 2: Advanced Physiology, Evolution and Ecology. 
The only correct answer is: 
D phosphodiester 
A is incorrect as this bond is found in lipids 
B is incorrect as this bond is found in carbohydrates 
C is incorrect as this bond pair bonds nucleotides (1) 
Question 
Number Answer Additional Guidance Mark 
1(b) A description that makes reference to the following points: 
• {DNA polymerase} {joins the sugar phos...
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HORT 2050- Exam 3 LSU Questions And Answers
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HORT 2050- Exam 3 LSU Questions And Answers 
 
Flower induction - ANS start of flowering process in response to certain stimuli (the shoot apical meristem becomes competent to develop flowers) 
 
Flower initiation - ANS change in the meristematic tissue from vegetative to reproductive 
 
What triggers induction and initiation in flower buds? - ANS -Photoperiod/phytochrome (length of exposure to light/ plant's reaction to it) 
-Vernalization (any temperature treatment that promotes ...
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Biology 1106 Exam 1 Review Questions and Answers 100% Pass
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Biology 1106 Exam 1 Review Questions and Answers 100% Pass What makes charophytes different from land plants? land plants have multicellular haploid and diploid stages 
______ ________ have multicellular haploid and diploid stages and diploid embryos. land plants 
What are the two challenges plants faced when they came to land? desiccation and transportation of water 
The waxy covering on the surface of land plants that protects against desiccation but limits gas exchange is known as _________. ...
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DAT EXAM STUDY Guide with 100% Verified Solutions | Guaranteed Success | Already Graded
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compound interest - 
30 60 90 triangle 
45 45 90 triangle - 
Solubitlity Rules - 1) group 1, NO3-, NH4+, ClO4-, C2H3O2- (acetate) soluble salt 
2) Most Ag+, Pb2+, Hg2 (2+) salt insoluble (exept when paired with above). 
Plant Hormones (A CAGE) - Auxin / IAA (indoleacetic acid): plant growth, elongation, 
phototropism 
Cytokinin: stimulates cytokinesis 
Abscisic Acid (ABA): growth inhibitor. delay growth. 
Gibberellins: cell growth 
Ethylene: gas, ripen fruit and leaf abscissionAnterior Pituita...
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