Một đoạn mạch của gen có cấu trúc như sau : Mạch 1- T – A – X – G – T – T – Mạch 2: - A – T – G – X – A – A – Xác định trình tự các đơn phân của đoạn mạch ARN được tổng hợp từ mạch 2. A. – U – G – A X – T – U - B. – T – A – G – G – A – G - C. – U – A – X – G – U – U - D. – U – G – A – U – T – U –

Choose the best answer.

I think you should buy _____  pack of mineral water instead. And you can also buy _____  snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______  cookies and soft candies.

Choose the best answer.

We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

Choose the best answer.

I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.