What Is the Main Function of Sclerenchyma?
The main function of sclerenchyma is to provide mechanical support. They consist of long, narrow cells with a thick lignified... View Article
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What Are Xenogamy and Allogamy?
Allogamy and Xenogamy are types of cross-fertilisation. Allogamy refers to the transfer of pollen grains from the anther to the... View Article
What Is the Correct Order of Cell Cycle?
The cell cycle comprises two phases, i.e. interphase and mitosis or M phase. Interphase is further divided into three phases,... View Article
Where Are Cilia and Flagella Located?
Cilia and flagella are located on the cell membrane. They are hair-like outgrowths of the cell membrane and are covered... View Article
What Is the Structure and Function of Cell Membrane?
The cell membrane is made up of a phospholipid bilayer with integrated proteins. The main function of a cell membrane... View Article
What Is the Smallest Taxonomic Group?
The smallest taxonomic group is species, which has organisms of one species. The smallest taxonomic group having different species is... View Article
What is the longest phase in the life of a cell?
Interphase is the longest phase in a cell’s life cycle. It accounts for 95 per cent of the duration of... View Article
Which Pteridophytes are Heterosporous?
Most of the pteridophytes are homosporous. They produce only one kind of spores. Some genera of pteridophytes are heterosporous, e.g.... View Article
How Do the Hormones Secretin Gastrin and CCK Affect Digestion?
Secretin, gastrin and CCK or cholecystokinin are the hormones secreted by different parts of the gastrointestinal tract. They regulate the... View Article
How Does ADH Contribute to the Formation of Concentrated Urine?
ADH is secreted by the posterior pituitary gland. It is an antidiuretic hormone also known as vasopressin. It increases water... View Article
Is Phelloderm formed by dedifferentiation?
Phelloderm or secondary cortex is formed by redifferentiation. They are formed by dedifferentiated meristematic cells called cork cambium or phellogen.... View Article
Is Lac Operon Repressible or Inducible?
Lac operon is an inducible operon. It is induced by the presence of lactose or allolactose, which inactivate the repressor... View Article
Is the Lac Operon Anabolic?
No, Lac operon is not an anabolic operon. Lac operon is a catabolic operon, which produces enzymes that break down... View Article
What Does Someone With Turner Syndrome Look Like?
Turner syndrome is caused due to the absence of an X chromosome. They have 45 chromosomes with XO. They are... View Article
Is Klinefelter Syndrome a Trisomy?
Yes, Klinefelter syndrome is a trisomy of sex chromosome. There occurs an extra copy of the X chromosome. They have... View Article
Do Brothers and Sisters Have the Same DNA?
Variations exist in the DNA of brothers and sisters also. This is due to crossing over and recombination occurring at... View Article
What Blood Type Is a Positive?
A blood type is said to be positive if the blood contains Rh (Rhesus) antigen. Further reading: Polygenic Inheritance Chromosome... View Article
Do Siblings Have the Same Blood Type?
No, siblings don’t necessarily have the same blood type. It depends on the genotype of both the parents for the... View Article
What Type of Inheritance Pattern Shows Both Traits in Possible Offspring?
Codominance shows both the allelic traits in the offspring, e.g. in the ABO blood group system A and B are... View Article
Where Is the Human Genome Located?
The human genome is located in the 23 pairs of chromosomes present inside the nucleus of each cell. Gametes contain... View Article
