Answer:
In a redox reaction, a reducing agent will donate electrons to another chemical species and then it becomes oxidized.
Explanation:
A redox or oxidation-reduction reaction is a chemical reaction where exchange of electron(s) happen between two chemical species (molecule, atom or ion). In this reaction, one chemical species act as an oxidizing agent while another will be a reducing agent.
An example of redox reaction is given in the attachment.
In a redox reaction, the oxidation number of a reducing agent will be increased, whereas oxidizing agent will be reduced.
Answer:
The <em>three domain classification </em>of a living organisms has <em>separated </em>and placed bacteria and archaea in two different kingdoms.
Explanation:
It is because, despite both <em>being prokaryotes</em>, bacteria, as well as archea, exhibit the following <em>dissimilarities:</em>
- The <em>cell membrane</em> of bacteria has peptidoglycan, whereas it is absent in archaea.
- The <em>histone proteins </em>are present in archaea and absent in bacteria.
- The enzyme <em>RNA polymerase</em> is present in more numbers in archaea than bacteria.
Active transport is the process in which substances are absorbed against a concentration gradient, i.e. from a lower to a higher concentration.
