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1. Какие органеллы характерны только для растительной и животной клетки?
ЭС, рибосомы, митохондрии, пластиды?
2. какие пластиды содержат пигмент хлорофилл? Лейкопласты, хлоропласты, хромопласты-
Предмет:
Биология -
Автор:
jadynharding - 6 лет назад
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Ответы 1
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пластиды только у растительной клетки,а так все эти органеллы подходят и для растительной и животной клетки.2-хлорофилл есть в хлоропластах,из-за растения имеют зеленый цвет
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Автор:
kobejnkk - 6 лет назад
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Упр. 226. Раскройте скобки, употребляя глаголы в одном из следующих времен: Present . Past, Future Simple; Present, Past Continuous, Present, Past Perfect.
1. You (to go) to the library tomorrow? — No, I already (to be) to the library this week. I (to be) there on Monday. As a rule, I (to go) to the library every Wednesday. But yesterday I (not to go) there, because I (not to read) the book. I (to read) it now. I (to go) to the library on Saturday if I (to finish) the book by that time. 2. As soon as I (to receive) a letter, I shall go to Moscow. 3. Yesterday I (to put) five apples into the vase. Where they (to be) now? — I (to eat) them. You (to bring) some more tomorrow? — Yes, if you (not to make) noise when granny (to sleep). 4. You ever (to be) to the Hermitage? 5. What Nick (to do) when you (to ring) him up yesterday? — He (to play) the piano. He (to tell) me that he already (to write) his composition. 6. Why she (to sleep) now? It (to be) too early. She never (to sleep) at this time.
Упр. 227. Раскройте скобки, употребляя гла голы в одном из следующих времен: Present, Past, Future Simple; Present, Past Continuous; Present, Past Perfect.
1. You (to go) for a walk with me? — I (to be) sorry, I can't. I (to do) my homework. I (not yet to write) the English exercise. If you (to wait) for me, I (to go) with you in half an hour. I (to want) to go for a walk very much, because I (not to go) for a walk yesterday. 2. Don't go to Nick's place now, he (to work). He (to finish) his homework at seven o'clock. If you (to come) after seven, he (to be) very glad. 3. Pete (to go) to the cinema? —Yes, I (to think) so. He usually (to play) in the yard at this time, and now he (not to be) there. 4. He (to read) a book at five o'clock esterday.
5. Yesterday the children (to do) all their homework before mother (to come) home, and when she (to come), they (to play) with the cat. 6. I (to lose) my key when I (to play) in the yard yesterday. 7. Ring me up as soon as you (to come) home. 8. Where you usually (to take) books for reading?
Упр. 228. Раскройте скобки, употребляя гла голы в одном из следующих времен: Present, Past, Future Simple; Present, Past Continuous; Present, Past Perfect.
1. What you (to learn) for today? — I (to be) sorry, I (not to prepare) my lesson. I (to be) ill yesterday and (not to know) what to do. I (to prepare) my lesson tomorrow. — If you (not to prepare) your lesson tomorrow, you (to get) a bad mark. 2. What you (to do) at five o'clock yesterday? 3. Mike always (to do) his homework in the evening, but today he (to begin) doing it as soon as he comes from school, because his father (to promise) to take him to the theatre. 4. When Mary (to come) home, her brother (to read) the book which she (to bring) him two days before. 5. Autumn (to come). It (to be) November now. It (to get) colder, the days (to get) shorter. It often (to rain). Soon it (to be) very cold. 6. When I (to do) my homework yesterday, I quickly (to run) to the yard, because my friends (to wait) for me there. 7. We (to have) a good time last summer.-
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