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Biology

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3375 Views

Difference between Hydrolase and Lyase.

masteranshu27 28th Feb, 2019

Hydrolases - Enzymes that catalyze the breakdown of larger molecules into smaller ones with the addition of water.
Eg - all digestive enzymes (like proteases, lipases, amylases, nucleases, etc.)

Lyases - Enzymes that catalyze the breakdown of larger molecules into smaller components without the use of water.
Eg. Aldolase, Carbonic

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112 Views

What is eligibility criteria about subject (physics, chemistry, biology) for neet .......OBC candidate....

masteranshu27 28th Feb, 2019

NEET Eligibility For OBC Candidates -

Qualifying Exam -
10+2 or equivalent with Physics, Chemistry, Biology/Biotechnology and English as core subject in both Classes 11 and 12 from a recognized board.

Qualifying Marks -
Pass mark in all subjects and a minimum 40 percent aggregate in Physics, Chemistry and Biology.

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1820 Views

Examples of saturated fatty acids and unsaturated fatty acids which I am supposed to know for NEET Biology.

masteranshu27 28th Feb, 2019

Saturated Fatty Acids
Capric Acid (10 carbons)
Lauric Acid (12 carbons)
Myristic Acid (14 carbons)
Palmitic Acid (16 carbons)
Stearic Acid (18 carbons)
Arachidic Acid (20 carbons)

Unsaturated Fatty Acids
Palmitoleic Acid (16 carbons, 1 double bond)
Oleic Acid (18 carbons, 1 double bond)
Linoleic Acid (18 carbons, 2 double

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1423 Views

Composition and structure of starch

masteranshu27 28th Feb, 2019

Starch is a homopolysaccharide. It is a polymer of glucose.

It has 2 components -

1. Unbranched component (Amylose) -
It consists of 200 - 1,000 glucose molecules (alpha-D-glucose molecules bonded with alpha 1-4 glycosidic linkage). It is helical (each turn consists of 6 glucose units).

2. Branched component (Amylopectin)

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618 Views

Bonds present in different kinds of protein structures

masteranshu27 28th Feb, 2019

Bonds present in various protein structures

1. Primary structure
Peptide bonds

2. Secondary Structure

Alpha helix -
Peptide bonds, Intramolecular hydrogen bonds

Beta pleated -
Peptide bonds, Intermolecular hydrogen bonds

Collagen helix -
Peptide bonds, Locking effect via proline and hydroxyproline

3. Tertiary Structure
Peptide bonds, Hydrogen bonds, Disulphide bonds,

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149 Views

M i eligible for nest i havent studied biology ...i have passed with 70% 12th with pcm nd dat to through cbse board....m i eligible?

Aditi amrendra Student Expert 28th Feb, 2019

Hello,

No, Biology isn't compulsory.
NEST Eligibility Criteria 2019 - Academic Qualification
General and OBC candidates must have completed their Class 12 qualifying examination with minimum 60 percent aggregate from a recognized board. Candidates from the SC/ ST categories must secure minimum 55 percent aggregate in their class 12 qualifying

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2631 Views

I am a biology student. Can I attempt the exam? I will attempt only physics and chemistry but not maths.

Aditi amrendra Student Expert 28th Feb, 2019

Hello,

What you are asking is quite confusing.Let me clear you.If you have pcb in class 12th then you can appear in jee.To appear in jee one must have studied Physics, Chemistry and Mathematics in class 12th to be eligible for JEE Main and Advanced.

I hope this helps.

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1372 Views

Does AIIMS accept NIOS improvement mark sheet?

Kajal tomar 28th Feb, 2019

Hello,
Yes, AIIMS and Medical colleges accept 12th improvement marksheet. Only you should have 60 % in your 12th board.
Thank you.

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881 Views

Is ncert biology enough to score 340 in neet and also by solving problems from ncert objective at your fingertips by mtg biology

Aditi amrendra Student Expert 27th Feb, 2019

Hello,

NCERT is an ocean and of you can go through it there will be lots of gems for you.Completing the ncert will help you alot and mtg biology is also a good option.Following are also the good books.

NCERT Biology Class XI and Class XII textbooks
Biology Vol 1

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444 Views