A lack of proteins controlling the cell cycle can cause

A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. He finds that they are unable to produce viable offspring. What kind of evolutionary barrier could this be? A. Chromosomal B.

Free fatty acids can only be used to produce ATP via aerobic metabolic pathways. Group of answer choices True False

Which has greater solubility: baking soda or table sugar? Why? baking soda, because it makes a solvent bubble table sugar, because it makes a solvent sweet table sugar, because much more of it can be dissolved in water baking soda, because much more

Estimate how much the brain would swell due to osmosis if the concentration of the cerebrospinal ±uid fell to 280mm. in other words, ³nd what the new volume

How many grams of aluminum hydroxide are obtained from 16.2 g of aluminum sulfide?

What organelles contain functioning ATP synthetase complexes in their membranes?

Which of these would have the most immediate effect on the ability of a plant cell to carry out photosynthesis? A) change in soil pH B) increasing air temperature C) reduction of light intensity D) increasing atmospheric humidity

Which planet is farthest from the sun since Pluto is no longer considered a planet?

7. A type of cell division that results in diploid cells: [meiosis / mitosis

Blood groups in humans are inherited with the alleles for type a and type b acting in a co-dominant manner, and both a and b are dominant to type o. if two parents with type b blood have a type o child, the genotype of the father must be: