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Oxana [17]
3 years ago
13

A large portion of precipitation in the rainforest occurs as a result of _______.

Biology
2 answers:
Talja [164]3 years ago
7 0

Answer:

transpiration

Explanation:

svetlana [45]3 years ago
5 0
The answer is actually Transpiration. Transpiration by definition is the process where plants absorb water through the roots and then give off water vapor through pores in their leaves. In a rain forest, a lot of this occurs due to there being A LOT of plants.
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True/false
Yuki888 [10]

Answer:

True

Explanation:

The species that went extinct could be a food source for another and that would possibly be detrimental to the chain.

6 0
3 years ago
What happens to RNA polymerase II after it has completed transcription of a gene? a. It begins transcribing the next gene on the
Over [174]

The correct answer is: b. It is free to bind to another promoter and begin transcription

Transcription is the first step of gene expression in which DNA molecule is copied (transcribed) into RNA (mRNA) by RNA polymerase. The process of transcription is divided into three phases:

1. Initiation

• RNA polymerase with transcriptional factors bind to gene promoter  

• RNA polymerase unwinds DNA double helix (transcription bubble is formed)

2. Elongation

• RNA polymerases adds nucleotides complementary to DNA  

3. Termination

• RNA polymerase gets to stop codon (transcribes a sequence of DNA known as a terminator)

• Formed complementary RNA strand is released from DNA-RNA complex.

RNA polymerase is also released and can transcribe some other gene by binding to its promotor. RNA polymerase will transcribe just the genes whose products are needed at a particular moment.

7 0
2 years ago
Look at the diagram of the cell membrane. Would a cell membrane be able to function in the same
oksian1 [2.3K]

Explanation:

The membrane would be too rigid. The unsaturated fatty acids allow the membrane components to maintain their fluid mosaic structure-the components slip past each other freely and adjust to changes in osmotic pressure within the cell.

Further Explanation:

Lipids consist of fatty acids forming the hydrophobic tail and glycerol forming the hydrophilic head; glycerol is a 3-carbon alcohol that is water-soluble, while the fatty acid tail is a long chain hydrocarbon (carbon-backed hydrogen) of up to 36 carbohydrates.

Their polarity or arrangement can confer hydrophilic and hydrophobic properties on these non-polar macromolecules. Small water molecules can pass through the phospholipid bilayer through diffusion into the extracellular fluid or cytoplasm as a semi-permeable membrane, both of which are hydrophilic and contain large concentrations of polar water molecules or other water soluble compounds. The heads of the bilayer are hydrophilic the bilayer are attracted to water while their water-repellent hydrophobic tails face towards each other- allowing molecules of water to diffuse across the membrane along the concentration gradient.

Other components include:

  • Cholesterol: The comparatively rigid cholesterol anchors other molecules attached to the membrane, maintains membrane stability or structural integrity, and helps to separate some lipids, helping with membrane fluidity at low ambient temperatures.
  • Transmembrane proteins are embedded from the extracellular fluid into the cytoplasm within the membrane, and are sometimes attached to glycoproteins (proteins attached to carbohydrates) that function as cell surface marker.

Learn more about membrane components at brainly.com/question/1971706

Learn more about plasma membrane transport at brainly.com/question/11410881

#LearnWithBrainly

7 0
3 years ago
Describe the structure of amino acids, including what makes amino acids different from each other.
Sphinxa [80]
The amino acids<span> in a protein are bonded to </span>each other<span> with peptide bonds - hence the term for a polymer of </span>amino acids<span> is a polypeptide. There are 20 </span>different amino acids<span>, and they all share the same general </span>structure<span>. In the centre of the </span>amino acid<span>is an assymetric carbon atom called the alpha carbon. I hope that you have a good day and i hope this helps you out

</span>
4 0
3 years ago
Jack is seeing an onion cell under a microscope. He observes formation of a cell plate. He is observing which phase of the cell
scZoUnD [109]
The formation of the cell plate (or phragmoplast) is similar to the formation of a cleavage furrow in animal cells, which separates two cells during mitosis and meiosis. Therefore, this occurs during cytokinesis
8 0
3 years ago
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