ramannachowdary

This page lists questions and answers that were posted by visitors named ramannachowdary.

Questions

The following questions were asked by visitors named ramannachowdary.

does the human ovum produce any chaemotactic hormones or sugars to attract sperm cells?

why regeneration of body organs in humans are not developped?

Answers

The following answers were posted by visitors named ramannachowdary.

check ones the 10th class biology text book page number is 29

liver.duodenum,pancres

because they require more oxygen and energy

rbcs are the smaller in size than compared to wbc so we can filter them with ultra filters like millipore filters

for every special task in our body specil receptor nerves are there eg for eye optic nerve

because of the molecular weight of the molecules and structure of the ion channels and carriers or vectors and one more thing is all the structures of channels and carriers structure is genetically determined.

size and structure of cell is depend upon the function of the cell and their location so there is no any accurate relation in between the size of the cell and nucleus.

if it is stem means it lack of chloroplast where as if it is leaf and young stem parts means the chloroplasts is present in the form of proplastids.

the time is taking by cells individually for enlargement of cells in G1 phase and replication of DNA in S phase and synthesis of cell organells etc

because the type of chemical compound is may differ from one plant to another plant.

if cell surface is increases means the number of protein receptors and ion channels will increase as a result it cause a great impact on absorption of ions and prnteins.if the volume of cell increases means it require more nutrients.

4 levels only but most properly 3 levels those are primary structure and secondary structure and tertiary and quaternary structure.

because if u touch the bed means ur hand also may contains some amino acids and air also may contain some proteins of various microorganisms.

we can extract some essential amino acids and fatty acids for medicinal purposes

smallest wbc are lymphocytes their main function is to recognise the antigens which are enter the blood.in aids these cells are weakened and distroyed by the hiv.as a result the resistance to other diseases is lost and a person with aids becomes vulnerabl...

bacteria do not contain phycocyanin and phycoerythrin but BGA contains these pigments and bacteria posses lomasomes and plasmid but BGA donot posses these

BB (Homozygous dominent) 25% and Bb (heterozygous dominent) 50% and bb(homozygous recessive.so phenotypic ratio is 3:1 and genotypic ratio is 1:2:1

usually flattend pea pod is dominent than the wrinkled pea pod so in f1 generation all are flattened pea pods where as in f2 generation homozygous flattend pea pods 25% and heterozygous flattend pea pods 50% and homozygous wrinkled pea pods 25% will come...

male gamete is sperm cell produced from sperm mother cell and female gamete is oocyte produced from ovary.

yes because non essential amino acids are synthesised in our body

all enzymes are made up of proteins but mot all proteins are enzymes because some proteins are structural proteins.

due to the storage of hypnozoits and sporozoits stages of parasites(dorment stage)

follecular stimulating hormone stimulating the development of follecle from which ovule is released

three pairs of salivary glands are there they are 1.sublingual glands,2.submaxillary glands,3parotid glands.In that parotid glands are large.

these are the primitive organisms contain nucleoid without nuclear membrane,membrane bound cell organelles are absent except 70s ribosomes.

it is nothing but enzyme which increase the rate of reaction

farmer is affraiding of insectivorus plants they are eating insects

due to its high mol.weight of the molecules

because it helpful for production of melanin

fibroblst growth factor receptor 3 is a protein which responsible for formation of microfibrils and microtubules in cell division helpful for pulling the chromosomes during anaphase

o2 is liberated due to the breakdown of water not from co2 proved by ruben and camen