Lesson 4

CELL DIVISION

PRE-READING TASKS

I. Answer the following questions

· What is reproduction?

· Do cells reproduce? How?

· Can you explain the meaning of the terms ‘mitosis’ and ‘meiosis’? What is the difference between them?

II. Listen to the following words and practice their pronunciation

Diversity, mitosis, meiosis, interphase, prophase, telophase, anaphase, metaphase, karyokinesis, cytokinesis, inheritance, tetrard, centriole, centromere, chromatin, chromatide, fertilization, zygote.

READING COMPREHENSION AND VOCABULARY DEVELOPMENT

I. Match each word on the left to its correct definition on the right

1) attribute, n 2) intricate, adj 3) vital, adj 4) coil, v 5) attach, v 6) wrap, v 7) furrow, n 8) consecutive, adj 9) skip, v

a) to fasten or connect one object to another; b) a quality or feature, especially one that is considered to be good or useful; c) a wide deep line made in the surface of something; d) to not do something that is usually done, to miss; e) to wind or twist into a series of rings; f) to cover especially by winding or folding; g) following one after the other without any interruptions; h) containing many small parts or details that all work or fit together; i) extremely important and necessary for something to succeed or exist.

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III. Read the following passage and try to complete it with the appropriate words. Then listen to the recording and check yourself	\|	II. Read the following text paying attention to the highlighted words. Explain or interpret the contextual meaning of the underlined phrases

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