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Describe how a sperm cell is adapted to its role (4 marks)

The role of a sperm cell is to fertilise an egg. The head contains the nucleus, which holds the male genetic material. It has a tail for swimming to the egg. It is packed with mitochondria to supply the ener...
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Answered by Aamna W. • Biology tutor
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Explain the effects of the cult of Stalin on the Soviet Union (8 marks).

Stalin’s cult of personality emerged after extravagant 50 th birthday celebration for him after December 1929 and centred around the promotion of Stalin’s image and policies through propaganda. One effect of...
EC
Answered by Ellie C. • History tutor
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¿Qué hiciste este fin de semana?

-Me quedé en casaY...hice mis deberes/vé la television/ leí un libro (sobre...) -Fui....al cine/al parque/de compras (para comprar...) -Con mis padres-Con mis amigos -Solo/Sola
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Answered by Sofia J. • Spanish tutor
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Name and describe the type of bond in sodium chloride

Sodium chloride contains ionic bonds between sodium and chloride ions.Sodium has one electron in its outer shell, whereas chlorine has 7. Atoms are happiest when they have a full outer shell of electrons. So...
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Answered by Emily H. • Chemistry tutor
17972 Views

What is the difference between meiosis and mitosis?

Meiosis consists of 2 separate divisions and produces 4 genetically different daughter cells, whereas in mitosis there is only one division and it produces 2 genetically identical daughter cells. Meiosis hap...
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Answered by Emily H. • Biology tutor
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