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a) Plants need energy to make glucose. How do plants get this energy?

Light is trapped, by the chloroplasts.
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Answered by Emma S. • Biology tutor
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How does business confidence affect the economic cycle? And why?

If a business has low levels of confidence in the economy there will be lower levels of investment and so lower economic growth. This will likely result in economic recession where the economy contracts for ...
Answered by • Economics tutor
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How do I convert between eV and J

eV means electron volt - that is, it the amount of energy required for an electron to travel down (or up) a potential gradient with a potential difference of 1V. This energy, known as the work done, W, is gi...
Answered by • Physics tutor
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Human breast milk is produced and secreted by gland cells. These gland cells have adaptations that include many mitochondria and many Golgi vesicles. Explain the role of these cell adaptations in the production and secretion of breast milk.

(Many mitochondria) release energy / ATP for movement of vesicles / synthesis of protein / active transport; 2. (Many Golgi) vesicles transport protein / glycoprotein / milk to cell membrane / out of cell;
Answered by • Biology tutor
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Given that y = (3x^4 + x)^5, find dy/dx using the chain rule.

Let u = 3 x 4 + x du/dx = 12x 3 + 1 y = u 5 dy/du = 5u 4 Using the chain rule, dy/dx = dy/du x du/dx = 5 u 4 (12x 3 + 1) dy/dx = 5(3x 4 + x)(12x 3 +1)
Answered by • Maths tutor
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