Biology Answers

In which of the following human chromosomes is the gene for the MN system of blood groups located? 1) Chromosome 9 2) Chromosome 2 3) Chromosome 4 4) Chromosome 1

At which stage of mitosis chromosome despiralization takes place?

Organisms that can not withstand large oscillations of the intensity of action of an ecological factor, we call them?

The relationship of positive interaction between species, in which case one organism does not benefit and the other benefits, it is called?

Starch in the plant cell is a reserve food. Under the influence of the corresponding enzyme decomposes into?

There is a scientifically accepted opinion that Australopithecus is the line of primates from which the genus Homo was created. How much does their cranial capacity (brain) weigh approximately?

Phospholipid molecules of cell membranes are composed of globular parts and hydrocarbon chain. The globular part of the molecule is hydrophilic and located where?

Which of these organisms' DNA has the least nucleotides? 1) Bacteria E. Coli 2) Fungi 3) Virus 4) Protozoa

Therapeutic usages of cytokines