Defective receptor on a cell membrane would have the least effect on Diffusion.
Answer:
the second one
Explanation:
The spectra of Cepheid variables, which are found in all galaxies, are red shifted.
Yes, because there is more genetic variation and chance of beneficial mutation among organisms that reproduce sexually. Beneficial Genetic variations are often passed to offspring, letting them adapt better to a new environment. Asexual reproduction creates a copy of the parent, leading to no or little genetic variation. The organism will not change as quickly.
Vitamin A; it is a soluble vitamin in fatty bodies, which can not be released in the urine as other vitamins normally do, it is said that we consume large quantities in an inactive form since this is necessary for many human body processes such as vision, formation and maintenance of skin cells, the immune system, growth and even lactation and embryonic development, therefore it is not necessary to be active to consume large amounts of this vitamin.
