Class 12-science

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New answer posted

6 months ago

0 Follower 3 Views

V
Vikash Kumar Vishwakarma

Contributor-Level 10

Foods that contains nucleic acids are animal products such as meat, eggs, fish and few plant-based sources are legumes, spinach, mushrooms, yeast and cereals. Adding these foods in the diet will support the body's nucleic acid pool, which is important for cellular function.

New answer posted

6 months ago

0 Follower 2 Views

V
Vikash Kumar Vishwakarma

Contributor-Level 10

DNA and RNA both are the types of nucleic acids.

  • DNA (Deoxyribonucleic acid) store the genetic  information.

  • RNA (Ribonucleic acid) helps in protein synthesis. It carry and translates the genetic codes.

New answer posted

6 months ago

0 Follower 1 View

V
Vikash Kumar Vishwakarma

Contributor-Level 10

We know that nucleic acids are biomolecules which is responsible for carrying the genetic information in living organisms. Nucleic acids have various properties, including physical, chemical and biological properties. 

Physical Properties

Nucleic acids are macromolecular in nature because they have a high molecular weight. They are water-soluble but insoluble in alcohol. Also, nucleic acids can absorb ultraviolet light at 260 nm because they have nitrogenous bases.

Chemical Properties

  • Acidic in nature
  • Hydrolysis
  • Base pairing
  • Negative charging

Biological Properties

  • Stores and transfers genetic information
  • The genetic code of every organism i
...more

New answer posted

6 months ago

0 Follower 2 Views

A
Anushree Tiwari

Beginner-Level 5

The "ampere" was defined based on the magnetic interaction. The scientific community used the magnetic force between two parallel current-carrying conductors placed at a distance. Below is the definition of 1 ampere, based on this concept.

1 Ampere is the constant current that produces a magnetic force of exactly  2*10? 7? N/m, when two infinitely long, straight, parallel conductors are placed one meter apart in vacuum.

New answer posted

7 months ago

0 Follower 2 Views

N
Nishtha Datta

Beginner-Level 5

Covalent and electrovalent bonding are the two major chemical bonding processes. These two bonds are different from each other in multiple aspects. Check the table below to know a concise summary of the differences.

ParticularCovalent BondIonic Bond
FormationDue to the complete transfer of electronsDue to the sharing of electron pairs
Ion formationNo ions formedCations and Anions formed.
NatureElectrostatic attraction between ionsElectrostatic attraction between nuclei and shared electrons
Strength StrongLess strong
Melting/Boiling pointHigh due to a strong bondlower due to weaker bond
PolarityHighley PolarNon-Polar

New answer posted

7 months ago

0 Follower 1 View

V
Vikash Kumar Vishwakarma

Contributor-Level 10

The major functions of hormones are:

  • Regulating Metabolism
  • Controlling Growth and Development
  • Managing Stress and Energy
  • Regulating Sleep and Mood

New answer posted

7 months ago

0 Follower 1 View

V
Vikash Kumar Vishwakarma

Contributor-Level 10

Hormones present in the human body are:

  • Thyrotropin-releasing hormone (TRH)
  • Dopamine (prolactin-inhibiting hormones)

  • Gonadotropin-releasing hormone (GnRH)

  • Adrenal Glands

  • Androgens

  • Estrogen

  • Inhibin

  • Testosterone

  • Gastrin

  • Melatonin

New answer posted

7 months ago

0 Follower 1 View

V
Vikash Kumar Vishwakarma

Contributor-Level 10

Below is the list of hormones:

  1. Cortisol
  2. Estrogen & Progesterone
  3. Aldosterone 
  4. Insulin
  5. Growth Hormone
  6. Glucagon
  7. Adrenaline (Epinephrine)
  8. Thyroxine (T4) and Triiodothyronine (T3)
  9. Melatonin

New answer posted

7 months ago

0 Follower 1 View

V
Vikash Kumar Vishwakarma

Contributor-Level 10

There are six types of enzymes. Here we have provided all types of enzymes. 

1. Ligases 

2. Transferases 

3. Hydrolases 

4. Oxidoreductases 

5. Isomerases 

6. Lyases

New answer posted

8 months ago

0 Follower 6 Views

K
Kushika .

Beginner-Level 4

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