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Nesterboy [21]
3 years ago
7

What causes plants to respond positively to sunlight?

Biology
2 answers:
Vikki [24]3 years ago
7 0
<span>Auxin. Cells on the plant that are farthest from a light source have a chemical called auxin cause the cells to elongate. The plant bends towards the light. </span>
Vanyuwa [196]3 years ago
3 0
Auxin causes plants to respond positively to sunlight because these are chemicals in plants that are far from a light resource, which causes the plant to bend towards the sun.<span />
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All cells contain a phosphate buffer system within their internal fluid to help maintain a constant pH. This system can be summa
Sloan [31]
The correct answer is A. maintaining homeostasis.
Homeostasis is a term referring to an organisms continuous process of maintaining and auto-regulating the conditions of its internal environment. Variables such as pH, temperature, and fluid balance need to be at optimal conditions in order for the organism to function properly.
In this example, the phosphate buffer system permits the organisms to maintain a constant pH in their intracellular fluid. This is one of the organism's homeostatic mechanisms.     

3 0
3 years ago
In prokaryotes, which component must disassociate to allow for elongation of the transcriptional complex? In prokaryotes, which
qaws [65]

Answer:

sigma subunit

Explanation:

Sigma subunit of RNA polymerase holoenzyme directs the enzyme towards the consensus sequences present upstream of the transcription start site. Completion of the initiation phase of transcription is followed by dissociation of sigma subunit from the transcription complex.

The protein NusA replaces the sigma subunit. The RNA polymerase leaves the promoter and starts the elongation

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4 0
3 years ago
Help asap!
Scrat [10]

Answer:

Abstract. DNA polymerase I (pol I) processes RNA primers during lagging-strand synthesis and fills small gaps during DNA repair reactions. However, it is unclear how pol I and pol III work together during replication and repair or how extensive pol I processing of Okazaki fragments is in vivo

Explanation:

3 0
3 years ago
Polysaccharides that are found in bacteria
attashe74 [19]

(っ◕‿◕)っ Hey There!

In bacteria, they play an important role in bacterial multicellularity. Cellulose and chitin are examples of structural polysaccharides. Cellulose is used in the cell walls of plants and other organisms, and is said to be the most abundant organic molecule on Earth.

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5 0
3 years ago
A side of the triangle below has been extended to form an exterior angle of 157º. Find
Studentka2010 [4]

Answer:

180 is the total angle so,

Explanation:

180 - 157 = 23

Therefore,

               x = 23

3 0
3 years ago
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