Top answers

Explain the key differences between plant and animal cells.

The structure of plant and animal cells is generally similar since they are both eukaryotic cells. They contain many of the same organelles including but not limited to the nucleus, mitochondria and the endo...
LM
Answered by Lauren M. • Biology tutor
12073 Views

(A) express 4^x in terms of y given that 2^x = y. (B) solve 8(4^x ) – 9(2^x ) + 1 = 0

(A) express 4 x in terms of y given that 2 x = y. we know that 2 2 = 4. so 4 x = 2 2^x = (2 x ) 2 = y 2 .so whenever you have 2 C^D it doesnt matter which order you solve. you can do (2 C ) D or (2 D ) C ( B...
ST
Answered by Sadat T. • Maths tutor
36075 Views

"Ἐν Ἀθήναις διδάσκουσι καὶ νουθετοῦσι τοὺς παῖδας μετ' ἐπιμελείας." Translate this sentence into English.

"In Athens, (people) teach and advise the children with care."
TD
3226 Views

Explain how increased blood flow to an athletes muscles helps them to run

"Explain" - so must give reasons why something is happening - Increased blood flow - what does this mean? Means more blood reaches the muscles -What does the blood carry (that the muscles need)? Ca...
EG
Answered by Emily G. • Biology tutor
13072 Views

In terms of structure and bonding explain why the boiling point of magnesium is much higher than that of bromine?

Bromine is molecular, existing as Br2 molecules, wheras magnesium is metallic and therefore exists in a large macromolecular structure. In bromine there are strong INTERmolecular covalent bonds, but only wea...
EB
Answered by Edwina B. • Chemistry tutor
28160 Views