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In DNA, what bonds form between the nitrogenous bases

Hydrogen bonds.

RS
Answered by Rochelle S. • Biology tutor
2580 Views

Solve (6x-2)/4 - (3x+3)/3 = (1-x)/3. (4 marks)

(6x-2)/4 - (3x+3)/3 = (1-x)/3multiply both sides of the equation by 12=lowest common multiple of 4 and 33(6x-2) - 4(3x+3) = 4(1-x)expand brackets18x - 6 -12x - 12 = 4 - 4xsimplify

EL
Answered by Eleanor L. • Maths tutor
3161 Views

Describe the cardiac cycle, referring to the valves of the heart.

Deoxygenated blood enters the right atrium of the heart via the superior & inferior vena cavae. The atria contract and the right atrioventricular valve opens, allowing the blood to enter the right ven...

TR
Answered by Thomas R. • Biology tutor
2534 Views

Give 2 reasons why a river might deposit its' load (2 marks)

1- Loss of river velocity, causing it to deposit its load due to a loss of energy.2- The river meets a more shallow area, meaning the friction causes the river to deposit its load due to a loss of energy....

SM
Answered by Sophie M. • Geography tutor
21572 Views

State the meaning of the term infiltration (2 marks)

Infiltration is the process by which water enters the ground by seeping through pores in soil or any other surface. Rates of infiltration depend on factors such as soil saturation level, compaction or par...

SM
Answered by Sophie M. • Geography tutor
5615 Views

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