Biochemistry of Amino Acids
26 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

A deficiency in any essential amino acid can prevent growth and may even cause ______.

death

The bond formed between the carboxyl group of one amino acid and the amino group of another is called a ______ bond.

peptide

Oxytocin and vasopressin are examples of important animal ______ hormones.

peptide

The methyl ester of the dipeptide L-aspartyl-L-phenylalanine is known as ______.

<p>aspartame</p> Signup and view all the answers

Methionine, Arginine, and Threonine are classified as ______ amino acids.

<p>essential</p> Signup and view all the answers

The compound formed from the linkage of two amino acids is called a ______.

<p>dipeptide</p> Signup and view all the answers

Glutathione is a tripeptide that plays a role in the ______ of toxic compounds.

<p>detoxification</p> Signup and view all the answers

A polypeptide consists of many amino acids linked together by ______ bonds.

<p>peptide</p> Signup and view all the answers

The R groups of amino acids with non-polar aromatic properties include ______, tyrosine, and tryptophan.

<p>phenylalanine</p> Signup and view all the answers

The property of ______ light absorption at 280 nm is important for protein characterization.

<p>ultraviolet (UV)</p> Signup and view all the answers

The amino acids with polar, uncharged R groups include serine, threonine, ______, methionine, asparagine, and glutamine.

<p>cysteine</p> Signup and view all the answers

The two amino acids with acidic R groups are aspartic and ______ acids.

<p>glutamic</p> Signup and view all the answers

Amino acids such as lysine, arginine, and ______ belong to the group with charged R groups.

<p>histidine</p> Signup and view all the answers

Most amino acids are soluble in ______ but insoluble in non-polar organic solvents.

<p>water</p> Signup and view all the answers

Amino acids tend to have high melting points ranging from ______ to 300°C.

<p>200</p> Signup and view all the answers

Sodium ______ is a valuable flavoring agent used in various dishes.

<p>glutamate</p> Signup and view all the answers

The process of converting light energy into chemical energy in plants is known as ______.

<p>photosynthesis</p> Signup and view all the answers

Golden Rice is a genetically engineered variety of rice that has increased levels of ______ to help combat vitamin A deficiency.

<p>beta-carotene</p> Signup and view all the answers

In crop biotechnology, ______ traits enhance the nutritional value of crops by increasing essential vitamins and minerals.

<p>output</p> Signup and view all the answers

Techniques like tissue culture and genetic engineering are used in ______ to improve crop yields and resilience.

<p>plant biotechnology</p> Signup and view all the answers

Nutritional improvement techniques aim to enhance crop quality, particularly in terms of ______ content.

<p>nutritional</p> Signup and view all the answers

The synthesis of carotenoids in plants involves multiple ______ pathways that convert simple compounds into complex molecules.

<p>biochemical</p> Signup and view all the answers

The development of crops with enhanced resistance to pests is an example of improving ______ traits in plants.

<p>input</p> Signup and view all the answers

A significant advantage of Golden Rice is its contribution to ______ improvement in populations that rely on rice as a staple food.

<p>nutrition</p> Signup and view all the answers

The pathway of carotenoid synthesis plays a vital role in the ______ of plants, affecting coloration and health.

<p>metabolism</p> Signup and view all the answers

Transgenic approaches allow for the insertion of genes that can boost ______ traits in crops, such as drought tolerance.

<p>input</p> Signup and view all the answers

Flashcards

Plant Biochemistry

Study of the chemical nature of plants and their interactions with the environment.

Carbohydrates

Important plant compounds, classified as simple sugars (monosaccharides) and complex sugars (disaccharides and polysaccharides).

Monosaccharides

Simple sugars like glucose and fructose.

Disaccharides

Two monosaccharides linked together, like sucrose (table sugar).

Signup and view all the flashcards

Fatty acids

Components of lipids (fats).

Signup and view all the flashcards

Proteins

Essential plant molecules, composed of amino acids, used for various functions.

Signup and view all the flashcards

Enzymes

Proteins that catalyze biochemical reactions in plants.

Signup and view all the flashcards

Glycolysis

Metabolic pathway breaking down glucose for energy.

Signup and view all the flashcards

Plant Biotechnology

Application of biological techniques to plants for improvement.

Signup and view all the flashcards

Callus culture

A plant tissue culture technique used to produce mass callus.

Signup and view all the flashcards

Essential Amino Acids

Amino acids that the body cannot produce and must be obtained through diet.

Signup and view all the flashcards

Peptide Bond

A covalent bond linking amino acids, formed by joining the carboxyl group of one amino acid to the amino group of another.

Signup and view all the flashcards

Dipeptide

A peptide composed of two amino acids linked by a peptide bond.

Signup and view all the flashcards

N-terminal amino acid

The amino acid on the end of the chain with a free amino group.

Signup and view all the flashcards

C-terminal amino acid

The amino acid on the end of the chain with a free carboxyl group.

Signup and view all the flashcards

Glutathione

A tripeptide (glutamyl-cysteinyl-glycine) with a role in detoxification.

Signup and view all the flashcards

Peptide Hormones

Short chains of amino acids that act as chemical messengers in the body.

Signup and view all the flashcards

Aspartame

A commercially valuable dipeptide methyl ester, a sweetener 200x sweeter than sugar.

Signup and view all the flashcards

Imino group of proline

The imino group of proline restricts protein flexibility.

Signup and view all the flashcards

Non-polar aromatic amino acids

Phenylalanine, tyrosine, and tryptophan form strong hydrophobic interactions due to aromatic rings.

Signup and view all the flashcards

Polar, uncharged amino acids

Serine, threonine, cysteine, methionine, asparagine, and glutamine have polar R groups due to hydroxyl, sulfur, or amide groups.

Signup and view all the flashcards

Acidic amino acids

Aspartic and glutamic acids have a negative charge at neutral pH.

Signup and view all the flashcards

Basic amino acids

Lysine, arginine, and histidine have a positive charge at neutral pH.

Signup and view all the flashcards

Protein UV absorption

Tyrosine, tryptophan, and (less so) phenylalanine absorb UV light at 280nm, used to analyze and measure proteins.

Signup and view all the flashcards

Amino acid solubility

Most amino acids are water-soluble, while some, like those with large aliphatic chains, are more soluble in polar organic solvents.

Signup and view all the flashcards

Amino acid physical state

Amino acids are white crystalline solids, typically tasteless or having varying tastes; they usually have high melting points.

Signup and view all the flashcards

Study Notes

B.Sc. Ag Fundamentals of Plant Biochemistry and Biotechnology I Sem

  • Course credit: 3(2+1)
  • Syllabus adheres to ICAR 5th Dean Syllabus
  • Resources for full BSc Agriculture notes available online (search on Google) at Bscaagriculture.com

111 Fundamentals of Plant Biochemistry and Biotechnology - Theory

  • Importance of Biochemistry: Properties of Water, pH, and Buffer (1 lecture)
  • Carbohydrates: Importance, classification, structures of monosaccharides, reducing/oxidizing properties, mutarotation, structures of disaccharides and polysaccharides (3 lectures)
  • Lipids: Importance, classification, structures and properties of fatty acids (2 lectures)
  • Proteins: Importance, classification, structures, titration, and zwitterions of amino acids (structural organization of proteins, enzymes classification, and mechanism of action) (2 lectures)
  • Nucleic acids: Importance and classification (structure of nucleotides, A, B, and Z DNA) (1 lecture)
  • RNA structure: Types and secondary & tertiary structure (2 lectures)
  • Carbohydrate metabolism: Glycolysis, TCA cycle, glyoxylate cycle, and electron transport chain (3 lectures)
  • Lipid metabolism: Beta oxidation, biosynthesis of fatty acids (2 lectures)
  • Plant Biotechnology Concepts and Applications: (1 lecture)
  • In vitro culture techniques: Callus culture, Organ culture, cell suspension culture, embryo culture, anther and pollen culture, ovule culture and their applications (2 lectures)
  • Micropropagation methods: Organogenesis and somatic embryogenesis (1 lecture)
  • Synthetic seeds and their significance (1 lecture)
  • Somatic hybridization and cybrids (1 lecture)
  • Crop improvement Somatic hybridization and cybrids, somaclonal variation, cryo-preservation (1 lecture)
  • Recombinant DNA methods Physical, Chemical & Agrobacterium-mediated gene transfer methods (2 lectures)
  • PCR and its applications (1 lecture)
  • Biotechnology regulations (1 lecture)
  • Total theory lectures: 44

Studying That Suits You

Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

Quiz Team

Related Documents

Description

This quiz explores essential concepts related to amino acids, including their structures, classifications, and functions in biological systems. Test your knowledge on terms such as peptide bonds, hormones, and properties of amino acids. Perfect for students studying biochemistry or molecular biology.

More Like This

Biochemistry: Amino Acids Flashcards
34 questions
Biochemistry Proteins and Amino Acids Quiz
18 questions
Biochemistry: Amino Acids and Protein Structure
24 questions
Use Quizgecko on...
Browser
Browser