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Study Guide (Chapter`s 7-10)
Study Guide (Chapter`s 7-10)

... The diploid number of chromosomes in a human skin cell is 46. How many chromosomes are in a human egg cell? a. 46 c. 23 b. 92 d. 12.5 How many chromosomes are in the body cells of an organism that has a haploid number of 8? a. 4 c. 12 b. 8 d. 16 Binary fission a. occurs when two cells collide with e ...
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Teacher Guide DNA to Protein.ver8 - RI

... The focus of this activity is for students to explore the processes of transcription and translation. They determine how DNA’s structure encodes for proteins. The DNA to Proteins unit activity is supported by the Electrostatics activity. To predict why the base pairs (A-T, C-G) bond, students first ...
Student book links
Student book links

... Some students find it difficult to distinguish between the terms: locus; gene; and allele. Using different functional and structural models of chromosomes and genes can be confusing. Some students find the idea of a degenerate code difficult to understand. Students often find it difficult to underst ...
Biology 30 - Patricia Schwandt Courses
Biology 30 - Patricia Schwandt Courses

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By Michael Harwood This article was catalysed

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NJBCT Practice Quizzes
NJBCT Practice Quizzes

... Students cut 20 rod‐shaped pieces of potato of the same diameter and length. Five pieces of potato were placed into each of four beakers containing different concentrations of sugar solutions. Each potato piece was measured again after 24 hours. The table below shows the results of their experiment. ...
To begin with, all the DNA polymerases either the five types in
To begin with, all the DNA polymerases either the five types in

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... Genetic Engineering: • Changing and adding genes to an organism’s DNA to give it new traits • Clones genes not whole organisms How and why can we do this? DNA is UNIVERSAL! • DNA – 4 common nucleotides (A,T,G,& C) • DNA – Common double helix structure • RNA – Common 4 nucleotides (A, U, G, & C) • C ...
Gene Expression
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Science of Biology

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Answers to Biotech Jeopardy

...  Small, circular piece of bacterial DNA is called a ____.  Give two examples of vectors:  The entire collection of genes within human cells is called the _______________.  Difference between technology and biotechnology?  Function of restriction enzymes?  HGP stands for? How many base pairs in ...
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Characteristics of Living Things (Essay

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bi 112 vital vocab #1

... iv. Guanine d. Sugar – phosphate backbone (covalently bonded) e. Hydrogen bonds between bases i. A always bonds with T ii. C always bonds with G 3. Functions of nucleotides: a. Energy “currency” for the cell – ATP b. Stores genetic information – DNA / RNA 4. Polarity (polar) ...
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NAME: NWAIWU ROSEMARY DEPT: BIOCHEMISTRY COURSE
NAME: NWAIWU ROSEMARY DEPT: BIOCHEMISTRY COURSE

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ppt 2015 edit

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pp Multiple Choice Identify the letter of the choice that best
pp Multiple Choice Identify the letter of the choice that best

... c. is possible only between closely related species d. does not cut DNA e. does not involve enzymes 3. Small circular molecules of "extra" DNA in bacteria are called ____. a. plasmids b. desmids c. pilus d. F-particles e. transferins 4. Which is not true of plasmids? a. They are self-reproducing cir ...
Chapter 17.
Chapter 17.

... How can you code for 20 amino acids with only 4 nucleotide bases (A,U,G,C)? ...
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... • RNA is polymer consisting of nucleotides joined together by ________________________ bonds. • RNA has a free hydroxyl group on the ___’ carbon atom of the ribose sugar. • RNA is degraded rapidly under alkaline conditions. ...
Chapter 17. - Cloudfront.net
Chapter 17. - Cloudfront.net

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Point Mutation
Point Mutation

... frame” of genetic message – Almost always affect all the amino acids after the mutation, which will affect the entire protein. ...
SBI 4U Genetics 6
SBI 4U Genetics 6

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Genetic Engineering
Genetic Engineering

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Nucleic acid analogue



Nucleic acid analogues are compounds which are analogous (structurally similar) to naturally occurring RNA and DNA, used in medicine and in molecular biology research.Nucleic acids are chains of nucleotides, which are composed of three parts: a phosphate backbone, a pucker-shaped pentose sugar, either ribose or deoxyribose, and one of four nucleobases.An analogue may have any of these altered. Typically the analogue nucleobases confer, among other things, different base pairing and base stacking properties. Examples include universal bases, which can pair with all four canonical bases, and phosphate-sugar backbone analogues such as PNA, which affect the properties of the chain (PNA can even form a triple helix).Nucleic acid analogues are also called Xeno Nucleic Acid and represent one of the main pillars of xenobiology, the design of new-to-nature forms of life based on alternative biochemistries.Artificial nucleic acids include peptide nucleic acid (PNA), Morpholino and locked nucleic acid (LNA), as well as glycol nucleic acid (GNA) and threose nucleic acid (TNA). Each of these is distinguished from naturally occurring DNA or RNA by changes to the backbone of the molecule.In May 2014, researchers announced that they had successfully introduced two new artificial nucleotides into bacterial DNA, and by including individual artificial nucleotides in the culture media, were able to passage the bacteria 24 times; they did not create mRNA or proteins able to use the artificial nucleotides. The artificial nucleotides featured 2 fused aromatic rings.
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