Answer:
The protein covering of a virus is called a capsid.
Out of the three, only 1 is acidic because litmus paper turns red in acidic compounds and blue in basic compounds.
All living things are composed of cells. Some organisms, such as algae, are composed of a single cell (called unicellular organisms), while others, such as animals, are composed of many (called multicellular organisms). All living things grow and develop. ... Lastly, living organisms respond to their environment.
In the Nitrogen cycle there are basically four steps and bacteria is involved in three steps of the N-cycle namely – Nitrogen fixation, Ammonification and De-Nitrification.
The Decomposers bacteria are involved in the ammonification process, where they convert organic waste, rich in nitrogen into simpler compounds usually ammonia which is further broken down into nitrite and nitrate. This process usually occurs in the absence of light and oxygen by anaerobic/facultative bacterias.
the answer is YY^b,XX^b,X^bX^b, and X^by
