As covalent bonds are strong it makes the sugar phosphate backbone a stable molecule which will HV less chances for a mutation while the huydrogen bonds exist for the ease of DNA replication as they are strong in a way but weak for the replication to take place easily.
Without lysosomes, the cell would not be able to break down no longer functioning cellular components, other wastes, or foreign invaders. The buildup of those wastes would kill the cell, as would a pathogen that cannot be killed by that cell.
Answer:
There are basically 4 components of Biosphere.
Explanation:
Biosphere is the collection of all ecosystems on earth and their interactions with each other. The Biosphere of earth consists the following components,
1. The Biota
All the living organisms including animals, plants, insects and bacteria is called the Biota.
2. Geosphere
Geosphere is the surface of biosphere that is composed of soil, rocks, mountains etc.
3. Hydrosphere
The hydrosphere includes all the water bodies like ocean, rivers, streams and lakes.
4. Atmosphere
Atmosphere is the climate that describes about the temperature, humidity, wind and rain fall in Biosphere.
I do believe that it is C. crossing over :) I hope that is correct, it seems like the only plausible answer.
<span>The state in which all body systems are functioning smoothly and in equilibrium is homeostasis.</span>
