Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Biology Expert

HISTORY OF THE CELL

  • Term "Cytology" was given by Hertwig, he also wrote a book on "Cell and Tissue".
  • Father of cytology = Robert Hooke.
  • Father of Modern cytology = C.P. Swanson.
  • Father of Indian cytology = A. K. Sharma.
  • CCMB = Centre for cellular & Molecular Biology, Hyderabad.
  • Dr. Lal ji Singh = Father of Indian DNA finger printing
  • Robert Hooke wrote a book Micrographia, 1665. Actually R. Hooke saw the cell wall not the cell in the thin layer of cork, dead bark of Spanish oak (Quercus suber) through microscope.
  • Nehmiah Grew (1682) initiated "Cell Concept" - Plant tissues contain minute elementary structures or cells.
  • Malpighi & Grew saw the plant cell and called them sacculus and utriculus (saw the I living cells in plants)
  • Antony Von Leevwenhoek, 1674 observed Bacteria, Protozoans, RBCs, spermatozoa etc. (Saw the I living animal cells) - Animalcule
  • Term "Prokaryotes" and "Eukaryotes given by Daugherty (Rene + Dutrochet)
  • Term "Mesokaryotes = Dodge.
  • e.g. Dianoflagllates, they don't have de-oxyribo nucleohistone and undergo dinomitosis.
  • Smallest measuring unit in cytology = Angstrom (Å)

Biology, Academics

  • Category:- Biology
  • Reference No.:- M9510433

Have any Question?


Related Questions in Biology

Question overview although it may sound like science 2520

Question: Overview: Although it may sound like science 2520, DNA and RNA technologies are already used in products today. In this discussion you will examine one specific product, organism, or technology in your initial ...

A man and woman both with normal vision have 1 a

A man and woman, both with normal vision, have (1) a color-blind son who has a daughter of normal vision; (2) a daughter of normal vision who has one color-blind son and one normal vision son, and (3) another daughter of ...

Soap and detergent molecules have a long hydrophobic tail

Soap and detergent molecules have a long, hydrophobic tail and a polar, hydrophilic head. They are sometimes referred to as  bridge molecules  because they allow oils and fats to be suspended and dissolved in water (whic ...

The allele for hitchhikers thumb is recessive to the

The allele for hitchhiker's thumb is recessive to the dominant straight thumb. In a population of 500 students, 25% have hitchhiker's thumb. How many students would you expect to be homozygous dominant for the trait?

Experiment 1 staining video1 open the media player by

Experiment 1: Staining Video 1. Open the Media Player by clicking on the film-strip button in the lower left of the lab's window frame, as shown below. The Media Player is a repository of images, videos, saved snapshots, ...

Effect of light intensityfor the effect of light intensity

Effect of Light Intensity For the Effect of Light Intensity Experiment, calculate the rate of oxygen production for the light intensity of 6. Subtract the original volume at 00:00:00 from the final reading at 00:02:00 to ...

Experiment 1 symmetry in common objectsreview the objects

Experiment 1: Symmetry in Common Objects Review the objects listed below (many of which can be found in your lab kit). Decide what type of symmetry they possess. Explain why you chose the type of symmetry you did. 1. Saf ...

Calculate the concentrations at eqbm of h2co3 hco3- co32-

Calculate the concentrations at eqbm of H2CO3, HCO3-, CO32-, and H+ in a saturated aq solution of H2CO3 in which the original concentration of H2CO3 is 0.034M (Ka1= 4.3*10^-7, Ka2 = 4.8*10^-11)

Question in portugal employers are not allowed to terminate

Question: In Portugal, employers are not allowed to terminate employees. In Japan, employers are required to measure the waistlines of their employees, and anyone whose waist exceeds the allowed size is put on a diet by ...

Pleasehelp me to answer this question fill in the blankin

PLEASE help me to answer this question: Fill in the blank In sexually reproductive organisms, mutations must occur in the ________ in order to be passed on to the next generation.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As