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Answers by Naina B.

Peroxisomes are tiny vesicular cell organelles that contain powerful digestive enzymes to break down lipids and certain toxins.   Therefore, there would be more Peroxisomes in the cells that form the tissue involved in digesting lipids, such as stomach and intestine.    Likewise...

Plants are alive but they only move partially, the thinner branches move with strong wind/storm etc.   The statement is false.   Best

Glucose provides energy when it is being broken down.   Some tissues need more energy than others.    In such tissues with higher energy demand, energy powerhouse (mitochondria) generate energy for biological work.   Therefore, tissues with  relatively...

Yes, that is true for  diploid somatic cells, germ cells (eggs and sperms) are haploid and therefore, they have half the number of chromosomes. Germ cells might carry recessive mutation instead of wild-type allele or other way around. They would only carry one allele and not both alleles.   Hope...

Angelica   By definition, negative feedback is where the final response to initial stimulus counteracts that stimulus. I illustrate it below:   Stimulus A→Response→Stimulus B→ ↑←← ←←←←← ←←←←← ←←←←←↓     Stimulus  A is creating a response...

Gene expression implies expression of protein encoded by the gene. Some gene express constitutively while others express at certain time and place, such expression is known as temporal and spatial gene expression. These second category of gene remain in repressed state and therefore, they need to...

If you find a dwarf pea plant with heterozygous genotype tT, then you would have to conclude that there is new point mutation that disrupts the functional dominance of T allele and now it is unable to dominate recessive t allele. Instead, it is behaving like a recessive t allele. You need to check...