Dichotomous branching is characteristic feature of liverworts e.g. Riccia, Marchantia, Pellia etc. It is a primitive form of branching. It is... View Article
Tide is the vertical rise and fall of the sea level surface caused primarily by the change in gravitational attraction of the moon, and to a... View Article
Always the Standard temperature and pressure (STP) is defined as 0°C (273.15 K) and 1 atm pressure. The molar volume of a gas is the volume... View Article
A polarized wave vibrates in a single plane in space. Since sound waves vibrate along their direction of propagation, they cannot be polarized. A... View Article
Proteins are polymers made out of amino acids. They're naturally occurring, meaning they're made by animals, plants, bugs, fungi, and other... View Article
1 centimeter = 10 million nanometers. A nanometre is 10^-9 metres. A centimetre is 10^-2 metres. 10^-9/10^-2 = 10^-7 Therefore there is... View Article
The electronic configuration of the hydrogen atom is 1s1. In hydrides like NaH, H occurs in −1 state. Whereas in acids as well as oxides, H... View Article
The fruit serves as a physical barrier between the seed or seeds and the external environment during seed development. Fruits serve as a... View Article
Answer: The lone pair of electrons on the nitrogen atom of amines makes these compounds not only basic, but also good nucleophiles. Any other... View Article
The difference between oxygen (O) and oxygen (O2 )is that the former is an oxygen atom while the latter consists of two O atoms bound together,... View Article
Totalnumber of σ bonds=3 So the bond pairs= 3 and lone pairs 0. There are 24 valence electrons available for the Lewis structure for NO3-.... View Article
The P atom needs five orbitals to form the five P-Cl bonds. It has a 3s and three 3p orbitals, so it must use one of its 3d orbitals to form the... View Article
Cold-blooded animals are also known as ectothermic or poikilothermic animals. Their bodies cannot regulate temperatures internally, so their... View Article
Haustoria is the appendage or portion of a parasitic fungus or of the root of a parasitic plant that penetrates the host's tissue and draws... View Article
Cranial nerves are pairs of nerves that connect your brain to different parts of your head, neck, and trunk. There are 12 cranial nerves in the... View Article
Tin has a ground state electron configuration of 1s22s22p63s23p64s23d104p65s24d105p2 The metal is silvery white and very soft when pure. Tin can... View Article
Spores are the single-celled reproductive unit of nonflowering plants, bacteria, fungi, and algae. Spores, for the most part, are units of... View Article
Water is very important for the sustaining of living organisms. If no water is available then all lives will be vanished from the world... View Article