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weeeeeb [17]
3 years ago
15

Osmosis is a diffusion process that moves _____ through the membrane from higher to lower concentration.

Biology
2 answers:
erma4kov [3.2K]3 years ago
8 0

Answer:

The correct answer would be c. water

Osmosis refers to the passive movement of water across the semi-permeable region from the region of high concentration of water to the region of low concentration of water.

Alternatively, it can be defined as the movement of water from hypotonic solution to the hypertonic solution across the semi-permeable region.

ioda3 years ago
3 0
The answer is A. Molecules
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What are 5 adaptations of the rubber tree in the Amazon rainforest
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1. The tree can grow to over<span> 100 </span>feet tall 
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6 0
3 years ago
Complete the given statement with the most appropriate words.
aliya0001 [1]
Answer #1: instinctual trait
Answer#2: learned trait
6 0
3 years ago
Explain the purposes of gene expression studies. Describe the use of DNA microarray assays and explain how they facilitate such
denis-greek [22]

Answer:

Both gene expression and DNA micro array study about the expression of gene during different stages of development.

Explanation:

The main purpose of gene expression studies is to determine the level of mRNA expressed at different stages of transcription in a tissue or at different stages of cellular development. If a gene is not “ON” during synthesis of RNA and protein, then the desired proteins are not produced. Such studies allow us to turn on such genes.  

DNA microarray  assays easily identify and determine the network of gene expression across the entire genome. The common application of DNA microarray include – mutation analysis and detection, assessment of gene cop, immunoassays etc.

4 0
3 years ago
Which structure is common in animal cells but rare in plant cells?
Kobotan [32]

The correct answer is option 3, that is, lysosome.  

The lysosomes comprise hydrolytic enzymes essential for intracellular digestion. They are commonly found in the cells of animals but are rare in plant cells. In the plant cells, the hydrolytic enzymes are most often found in the vacuoles.  

The other mentioned components like cell wall are exclusively found in plant cells, not in animal cells, vacuole is found in both plant and animal cells, it is bigger in plant cells in comparison to animal cells, and the mitochondria are witnessed in both plant and animal cells.  


3 0
3 years ago
Find the prokaryotic promoter sequences; Draw boxes around them, Circle the start codon. Then transcribe the following DNA seque
Degger [83]

Explanation:

The transcription is a process which transcribe the DNA into a molecule which could be read by the machinery to translate it into the proteins and that molecule is known as the mRNA molecule.

1.The mRNA molecule is transcribed by an enzyme called RNA polymerase which transcribe DNA in 5'to 3'direction that is DNA strand will be 3' to 5'direction therefore the strand with 3' to 5' will act as template strand.

2. The RNA polymerase binds at promoter region and there are two sequences in prokaryotes at -35 end which is TTGACA and at -10 end which is TATAAT.

3. The translation begins after the start codon which is AUG therefore proteins will be synthesized after AUG.

In the given question, both promoter sequence are present in the 5'to 3'strand

3’GTAACTGTCGAACTACTGTCTACGTCATATTACGCTAATCGATACTGCCTGCATCGATCGTCGACTGCGGTCCGAA

The mRNA will be -

5'- CAUUGACAGCUUGAUGACAGAUGCAGUAUAAUGCGAUUAGCUAUGACGGACGUAGCUUAGCAGCUGACGCCAGGCUU-3'.

There are two start codon thus two polypeptides will be synthesized.

1. met-thr-asp-ala-val

2. met-thr-asp-val-ala-ser-ser

7 0
3 years ago
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