Answer:
The answer to your question is: B) Mercury, zinc and Cadmium
Explanation:
A)iron, nickel, and cobalt These elements are in different groups so this option is incorrect.
B)mercury, zinc, and cadmium These elements are located in group number 12, this is the right option.
C)copper, silver, and gold These elements are located in group 11, this option is incorrect.
D)neon, helium, and xenon These elements are located in group 18 or 8A, so this option is incorrect.
The two components which are often found as part of an enzyme are Active site and protein. Proteins are referred to as macromolecules or macromolecules which consists of more or one of a chain of amino acid residue. They do perform an array of functions which are within organisms. For example, DNA replication, responding to stimuli, catalyzing the metabolic reaction. An active site is referred to as the region of an enzyme where substrate molecules bind and also they undergo a chemical reaction. They contain of residues which form temporary with the substrate and also catalytic site which catalyzes a reaction.
B: <span>As chloroplasts evolved, they transferred genes necessary for surviving on their own to their host cells.</span>
The cardiac sphincter which is
found at the upper part of the stomach guards the entry of food into the
stomach. Cardiac sphincter performs essential roles in digestion as it keeps
stomach acids and other stomach contents from pushing up and into the
esophagus.
<span>Unit train cargo uniformly goes from location A to B, while mixed train cargo is mixed in delivery, from point A to B, but also A to C, etc. Unit trains are more efficient because no extra time is needed to detach cars to send to other locations.</span>
