Answer: mutations that natural selection can work on. 4.) How do scientists calibrate a molecular clock? ... they compare the number of positive mutations that have occurred in a particular species with the number of negative mutations that have occurred
Explanation:
There is a messy and water is everywhere.
Explanation:
. Una muestra de un metal contiene 4.25 moles de molibdeno y 1.63 moles de titanio. Exprese la relación de los dos metales en: a ) ...
Yeast food is sugar and its concentration affect yeast’s growth and activity. The process by which yeast metabolize sugar is called fermentation. A sugar concentration that is not very high (up to 3%), increase the fermentation rate. But, with over 3% sugar, the fermentation rate no longer increases. Above 6%, sugar actually decreases the rate because it begins to dehydrate the yeast cells. This effect is called crenation.
In the winter, larger land masses such as Asia develop a seasonal high-pressure system.
So the correct answer is D.
Hope this helps,
Davinia.
