The answer to the question that is being stated above would be 'model. A model is a hands-on representation of an actual object. It can also be called as a 'physical model', specifically, if you're referring to a bigger or a smaller representation of an actual object.
Answer:
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- Chromosomes are a highly condensed form of a combination of DNA and protein called chromatin. DNA strands (negatively charged) are tightly wound around these proteins called histones (positively charged) to form chromosomes.
- Mechanism genes code for for proteins that govern life processes. These genes or portions of DNA are called exons. DNA segments between these exons are called introns that strictly code for regulatory proteins and also contain genetic regulatory elements (DNA sequences that control gene expression).
- Gene expression is the process of translation of DNA sequences into proteins. The genetic code is the nucleotide sequence in the DNA itself that codes for different amino acids that combine together to form a functional protein.
Explanation:
* 2. The intronic regions are misleadingly referred to as "junk DNA" but introns code for crucial regulatory elements that control gene expression.
* 3. The genetic code determines the sequence of amino acids in various proteins.
Answer:
Option A, Fertilizers can maintain soil fertility and productivity into the distant future-even if the soil is eroding.
Explanation:
The top layer of the soil known as top soil is essential for its productivity because it contains essential nutrients such as phosphorus and potassium.
If this topsoil is lost, the inherent soil fertility is also lost. In order to restore the soil fertility, additional inputs in the form of fertilizers and manures are used.
Fertilizers help in restoring soil fertility but only if the essential subsoil material are present. In short it can be said that continuous soil erosion for a longer period of time will result into infertile land parcels whose fertility cannot be restored by fertilizers.
Hence, option A is correct
Explanation:
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<u>Answer:</u>
The statement 'it should smell like normal menstrual flow unless an infection is present' reflects the ability of the kidneys to recover from acute renal failure.
Option: (B)
<u>Explanation:</u>
- Lochia is the uterine and vaginal discharge occurring at post birth stage in a woman.
- Certainly, the odour should be same as the Normal Menstrual Fluids.
- Any difference in the smell or color (like greenish color) of Lochia indicates the presence of infectious organisms such as Chlamydia or Saprophytic which are potential organism for causing infection in women.