Glucose is primarily reabsorbed in which part of the nephron? MCQ with Answer and Explanation

Explanation:
Alfred Russel Wallace, a British naturalist, independently arrived at the theory of evolution by natural selection. His 1858 essay, sent to Darwin, prompted the joint presentation of their ideas. Darwin then published 'On the Origin of Species' in 1859. Malthus influenced population thinking, Lyell geology, Lamarck earlier evolutionary ideas.

Explanation:
The bottleneck effect is a form of genetic drift that occurs when a population's size is drastically reduced for at least one generation due to a severe environmental event (like a natural disaster, disease, or overhunting). The surviving population is a random, small sample of the original, and its gene pool may not represent the original population's genetic diversity. This leads to a significant loss of genetic variation, making the population more vulnerable to future changes.

Explanation:
Vitamin K is a cofactor for γ-glutamyl carboxylase, which carboxylates glutamic acid in prothrombin and other factors, enabling calcium binding.