Biology 1404 Samenvattingen, Aantekeningen en Examens
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Biology 1404 Exam Chapter 15-17,21 Review Questions and Answers 2023
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One possible results of chromosomal breakage is for a fragment to join a non-homologous chromosome. What is this alteration called? - -A translocation 
 
-Which of the following is true of linkage? - -The closer two genes are on a chromosome, the lower the probability that a crossover will occur between them 
 
-The chromosomal theory of inheritance explains what? - -Mendel's laws of segregation and independent assortment 
 
-If a deletion occurs on the Y chromosome that removes the SRY gene in...
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Biology 1404 Final Exam Review [Distinction Level] Questions and Answers
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matter - -anything that takes up space and has mass 
 
-elements - -any substance that cannot be broken down into simpler substances 
 
-atom - -the basic smallest unit of a matter that has all the chemical properties of an element 
 
-proton - -A positively charged particle that is part of an atom's nucleus. 
 
-neutron - -A small particle in the nucleus of the atom, with no electrical charge 
 
-electrons - -Negatively charged subatomic particles found in various energy levels (orbital shells...
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Biology 1404 Final Exam Review Best Questions and Answers
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Most likely, mitochondria and chloroplast evolved from: - -Bacteria 
 
-What three overlapping processes are involved in development? - -Growth, morphogenesis and differentiation 
 
------ is a type of ground tissue composed of cells having tick, often lignified secondary cell walls. - -Sclerenchyma 
 
-A mature sieve element does NOT normally have: - -A nucleus 
 
-The function of companion cells is thought to be: - -Delivery of substances to sieve-tube elements 
 
-Trichomes are: - -Appendages...
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Biology 1404 Exam Chapter 15-17,21 Review Questions and Answers 2023
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what is a basic method of extration of DNA? - -1. cells are lysed using a detergent that disrupts plasma membrane 
2. cells are treated with protease to destroy protein and RNAase to destroy RNA 
3. cells are put in a centrifuge and the supernantant liquid is transferred to a clean tube 
4. the DNA is precipitated with ethanol, it forms viscous strands 
 
-what is restriction endonucleases? what are they key to?what are Palindromes? - -a defense system for bacteria, it recognizes and cleave a sp...
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Biology 1404 Exam Chapter 15-17,21 Review [Level A+] Questions and Answers 2023
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-Homologus Isolation Fossils - -preserved remains of ancient organisms 
 
-Georgraphic Isolation - -Population of speices becomes seporated by a physical boreder (mountains, rivers, land, etc.) 
 
- -structures that have diffrent mature forms but develop from same embryonic tissue 
 
-Temporal - -Isolated by time (open flower in winter, open flower in spring) 
 
-James Hutton - -Geologist who said that the forces that shaped the Earth took place over long periods of time, so the Earth had to be ...
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Biology 1404 Exam Chapter 15-17,21 Review 2023
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the white allele is recessive - -white flowering plants were not observed in the F1 generation following a cross of true breeding purple and white flowering plants in Mendels monohybrid cross experiment because 
 
-dipliod - -human somatic cells are 
 
-16 - -given 4 different charateristics assuming independent assortment how many different types of gamestes are possible 
 
-on the same chromosome - -if two genes are linked they are 
 
-dividing white blood cells - -which cell would be best to ...
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Biology 1404 Exam Chapter 15-17,21 Review Questions and Answers 2023
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Gene expression - -The process by which DNA directs protein synthesis and has two stages 
 - transcription 
 - translation 
 
-Transcription - -the synthesis of RNA using information in DNA 
- produces messenger RNA (mRNA) 
 
-Translation - -the synthesis of a polypeptide using information in the mRNA 
 
-Ribsosomes - -the sites of translation 
 
-Translation in prokaryotes - -translation of mRNA can begin before transcription has finished (coupled) 
 
-Transcription in eukaryotes - -transcripti...
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Biology 1404 Exam Chapter 8-11 Review Questions and Answers
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Allelopathy - -The idea that plants can chemically influence each other 
 
-Thomas Chamberlin - -Danger of love, makes it easy to ignore competing facts if too attached to one idea 
 
-Frits Wents & James Bonner - -Cal tech scientists came up with allelopathy 
 
-Cornelius Muller - -Agreed with allelopathy. Hid results that disagreed with allelopathy, never published data on rabits 
 
-Bruce Bartholomew - -Sets up a paper about cows causing zones of no growth and believed allelopathy wasn't tru...
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Biology 1404 Exam Chapter 8-11 Review 2023
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entire organism - -In unicellular organisms, division of one cell reproduces the __________. 
 
-Cell division - -_________ enables multicellular eukaryotes to develop from a single cell and, once fully grown, to renew, repair, or replace cells as needed. 
 
-Mitosis - -When does tissue repair occur? 
 
-Mitosis - -When does embryonic happen? 
 
-Mitosis - -When does development occur? 
 
-Mitosis - -When does tissue turnover (renewal) occur? 
 
-Meiosis - -When does reproduction occur? 
 
-Germ...
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Biology 1404 Exam Chapter 4-7 Review 2023
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A nucleosome is formed by - -the winding of DNA around histone proteins 
 
-Fertilization results in - -a zygote, a diploid cell, and a cell with new genetic combinations 
 
-Adenylyl cyclase uses ___ as a substrate to synthesize ___ - -ATP; cAMP 
 
-Unpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis? - -telophase 
 
-Activated steroid hormone receptors are also - -transcription factors 
 
-Which of the following chemical signaling ...
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