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soldier1979 [14.2K]
3 years ago
11

What are the tiny openings in leaves that open to take in carbon dioxide and release oxygen?

Biology
1 answer:
anygoal [31]3 years ago
8 0

Answer:

Chloroplast

Explanation:

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I d k really but my educated guess is A- The Sun has a structure similar to Earth's structure  * even tho the suns structure is completely gaseous is similar to earth w the layers ii don't know  

Explanation:

Hope it Helped  !

                            .''.

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8 0
3 years ago
A promoter sequence is likely to be (check all that apply):
erica [24]

Answer:

b. orientation dependent

e. located upstream of the gene it controls

Explanation:

Promoter sequences:

These are the sequences present within the DNA on which RNA polymerase binds and start transcription of a gene. These sequences are present directly upstream of transcription initiation site at the 5' end.  

Prokaryotes and Eukaryotes both have specific promoter location site which is fixed. So first (a) and Last (f) options of this question are wrong.

This sequence have specific orientation Like TATA box so these are orientation dependent.

These sequences are present directly upstream of transcription initiation site at the 5' end.

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