Answer:
non-covalent hydrogen bonding between paired bases :)
Explanation:
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Answer: a. Increasing the surface area for diffusion
Explanation:
When the air is inhaled through the nostrils, the air containing the oxygen the air diffuses inside the alveoli. The alveoli are the tiny sacs where air enters and exchange of gases takes place. From the alveoli the oxygen enters into the blood stream. The oxygen is utilized by the cells for respiration. The increase in network and number of the alveoli will increase the surface area for the diffusion of oxygen and hence, will speed up the respiration process.
Answer: It appears compartmentalized under the microscope.
Explanation:
All living organisms are made up of cells. And cells grow by undergoing cell division.
Also, when viewed under the microscope, cells appear as 'rooms' or 'compartments'
Thus, the growing substance is living and contains cells
Answer: B, frog
Explanation: I took the quiz and got it right a p e x
The two main clades branch from the most recent ancestor is called <span>Cnidaria and Bilateria. Please have in mind that Cnidaria is a phylum containing 10.000 species of animals. Now on the other hand, Bilateria is a major group of animals. After looing at the figure 33.2 we can conclude that these two are part of the ancestor of the eumetazoans which is a clade comprising all major animals. </span>
