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Sidana [21]
3 years ago
15

A plant bending towards a light source is an example of which characteristics of life ?

Biology
1 answer:
pantera1 [17]3 years ago
3 0
I believe the answer is a) metabolism bc metabolism is when the sum of chemical reactions take place in each cell of a living organism
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)
konstantin123 [22]

Answer:

B -> increased industrialization

Explanation:

pollution and fossil fuel burning

5 0
3 years ago
Read 2 more answers
4. Analyze the data presented in this graph of global climate data, which shows an anomaly (change) from normal temperatures. us
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3 0
3 years ago
Ordinary cell division produces two daughter cells that are genetically identical. This type of cell division is important for a
Ratling [72]

Answer:

C) production of sperm and eggs

Explanation:

Sperms and eggs are the male and female gametes respectively. Formation of sperms and egg cells require meiotic cell division. Meiosis in sperm mother cells and egg mother cells reduces the chromosome number of half in the sperms and eggs. Meiosis also adds new gene combinations in these gametes by the process of crossing over.  

Mitosis cannot reduce the chromosome number to half in the sperms and eggs. Absence of crossing over in mitosis leads to the formation of genetically identical progeny cells from mitosis.  

Hence, mitosis can not form sperms and egg cells.  If it does, the sperms and egg cells would not have genetic variations and there would be doubling of chromosome number with each round of sexual reproduction.

8 0
3 years ago
Which of the following describes the correct stepwise assembly (in vitro) of the eukaryotic RNA polymerase II preinitiation comp
PilotLPTM [1.2K]

Answer: (TFIID) TBP-> TFIIB IIA--> TFIIF RNA POL II

Explanation:

Remember that in eukaryotic organisms, transcription and processing are coupled processes. There are 3 different types of Rna pol. In the case of RNA pol II transcribes genes that encode proteins (mRNA synthesis). Transcription factors are involved, for example: TFIID, TBPs, TAF (recognizes TATA promoter center, regulatory functions), TFIIA (stabilizes TBP union, antirepressant function), TFIIB (RNA Pol II starting point selection).

7 0
3 years ago
Why are bacteria and decomposers necessary for nature natural cycles
katen-ka-za [31]

Because bacteria can be good for the environment

6 0
3 years ago
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