The correct answer is small hydrophobic molecules.
The smaller the molecule and the more hydrophobic, or nonpolar, it is, the more rapidly it will diffuse across a membrane. It is because of the composition of membrane (lipid bilayer). By contrast, membrane is highly impermeable to charged molecules (ions), no matter how small they are.
Have a control. You have to have something to compare your experimental results or else your results could be random chance.
I would say the answer is A
Optimization refers to the activity of making the most or best efficient use of a resource of situation. Optimization suggests that it is probable to sustain performance in some areas via spontaneous practice and the application of new technology.
The older adults get involved in numerous sexual activities, companionship is essential to age individuals. The optimization in older adults’ sexual activity can be expressed by getting involved in more kissing, cuddling, and fantasizing in comparison to intercourse for satisfying the sexual activity.
Answer:
Cuando la levadura activa (viva) tiene tanto azúcar como oxígeno disponibles, "respira" mediante un proceso llamado respiración aeróbica. En esta reacción, las células de levadura utilizan glucosa (azúcar) y oxígeno (del aire) para producir energía. También producen agua y dióxido de carbono (un gas). Este es el mismo proceso químico utilizado por los humanos.
Explanation: