Answer and Explanation:
Most young roots have two main regions. An outer cortex and a central cylinder containing the vascular bundles.
The endodermis also referred to as starch sheath. Its cells have a casparian strip which is made up of an impervious waxy deposit on the radial and cross walls. It controls entry of water and dissolved salts into the vascular bundle.
The Modern World, where everything is artificial and ephemeral; where you have to pay for a "need" created or for clean air.
The greed of man to generate wealth and status regardless of the impact it generates on his environment, to be accepted by his family and society.
Unsustainable production systems, which destroy ecosystems and alter the life of the animals that live there.
Children living in the Modern World, who know little about the nature and the effect of our actions on the environment.
Caring for the environment is in the hands of the new generations, especially those who really care.
If you mean the change in water Temperature then they simply just go on in life, they are very adaptable creatures.
Answer: Antibiotics targets the synthesis of protein, nucleic acid, folate and cell wall.
1. Synthesis of protein; antibiotics binds to either 30s or 50s ribosomal subunits blocking the polypeptide from the exiting the tunnel thus inhibiting a full completion of protein expression or production.
2. Nucleic acid synthesis; Antibiotics also act by inhibiting genetic expression, DNA transcription and replication where DNA makes exact copies of itself, as well as RNA molecules preventing bacterial growth.
3. Cell wall synthesis; Inhibition of cell wall synthesis in microorganisms will prevent it from replication and growth.
4. Folate synthesis; Folic acid also known as vitamin B9 helps in DNA replication and cell division. Folate antagonists such as aminopterin kills bacteria by preventing folic acid production required for DNA replication.
