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Explain a mechanism for the transporting and loading of sugars in the phloem. [6]

Relevant Points:Loading: loading into companion cells, location of companion cells at source(s), active loading of sucrose, mitochondrial action in companion cells, mechanism of proton gradi...

Answered by Humail M. • Biology tutor

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A cannonball is fired at an angle of 30 degrees and a velocity of 16 m/s. How long does it take (to 2 significant figures) for the cannonball to reach the ground?

First, we make the standard assumption that there is no air resistance, meaning that gravity is the only force acting on our cannonball. We then use the SUVAT equations, so: S = 0m (because it will return...

Answered by Nada B. • Maths tutor

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Discuss the negative effects of smoking in the human body (6).

Smoking can cause carbon monoxide poisoning, meaning that carbon monoxide is carried in the blood via red blood cells instead of oxygen, leading to fatigue. Smoking can also cause lung cancer, as it conta...

Answered by Samodani W. • Biology tutor

2292 Views

Was ist deiner meinung von Fernsehen für Kinder?

Meine meinung nach fernsehen und kinder, ist dass kinder wenige TV sehen mussen, stattdessen mussen sie mehr sport machen, um fit zu blieben und eine gesunde Lebensweise zu bekommen. TV kannst schlechte a...

Answered by • German tutor

1843 Views

Was hast du letzes Wochenende gemacht?

Letzes Wochenende, bin ich ins kino mit meine Familie gehen, um ein Film zu sehen. Wir haben Eis und bon bons gegessen, es war sehr spass und der Film war toll.

Answered by • German tutor

1782 Views