Upto 50%of human conceptions fail before the little guys can swim successfulllyinto the egg and be home free :)
The correct answer is option C
The best way to classify the organism when they appear similar and found in the same area must be observed by studying the genotype of the organism.
Sometimes it is not possible to observe the change in the organism by looking physically( phenotype) so, in this case we must use the gel electrophoresis to compare the DNA pattern.
I believe the correct answer is D. All of the above.
Answer:
C. active transport driven directly or indirectly by metabolic energy
Explanation:
The intestinal mucosa is the tissue that lines the inner walls of the intestines. It is characterized by the pleated appearance, which facilitates the absorption of nutrients already deferred and the formation of fecal cake. Most nutrients are absorbed by this region through active transport directly or indirectly driven by metabolic energy.
<span>The correct answer is b.0.5 to 1 micrometre thick.</span>
Usually, the respiratory membrane is about 0.6 micrometres thick. This membrane consists of the alveolar epithelial cells, the capillary endothelial cell, and basement membranes which are formed by the alveolar and capillary cells.
