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djyliett [7]
3 years ago
13

A plant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter.

Iris normally blooms as long-day (short-night) plants. Which of the following has the best chance of creating iris blooms in winter?
Biology
1 answer:
Anvisha [2.4K]3 years ago
6 0

Answer:

Interrupt the long winter nights with a brief period of light.

Explanation:

there are some plants that would naturally flower in the winter when there are longer nights. These plants are normally categorized under short-day (long-night) plants. On the other hand, there are other plants categorized as long-day (short-night) plants. These type of plants include lettuce, spinach and several others. They would flower in the late spring when dark periods are usually shorter. When such plants that do well in the early summer are planted during the long winter nights, it will flourish if there long nights are interrupted with a brief period of light. Thus the farmer has a greater chance of forcing the iris plant to bloom by interrupting the long winter nights with a brief period of light.

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Suppose you run a regression of a person’s height on his/her right and left foot sizes, and you suspect that there may be multic
zvonat [6]

Answer:

D: All of these options

Explanation:

The p-values for the coefficients indicate whether these relationships are statistically significant.

A low t value shows that your hypothesis is true

Multicollinearity means when independent variables in a regression model are correlated.

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3 years ago
Explain why the structure of protein is important to how the protein functions
Nataliya [291]

Answer:

The sequence of amino acids determines each protein's unique 3-dimensional structure and its specific function. Antibodies bind to specific foreign particles, such as viruses and bacteria, to help protect the body. ... These proteins bind and carry atoms and small molecules within cells and throughout the body. I used this link to help me, if you need more info, go to his link.

Explanation:

https://ghr.nlm.nih.gov/primer/howgeneswork/protein

6 0
3 years ago
1. Give an example of an object without energy
Stells [14]

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glass table, couch cushion, your bed, a chair

8 0
3 years ago
In chemistry class we learn the rule "like dissolves like" when studying why polar substances dissolve in each other (like sucro
Lyrx [107]
<h2>The correct answer is: d.</h2>

Explanation:

  • As per the question, the correct answer is to be chosen from the given options that is identical to the logic given in the statement of the question that is, "like dissolves like".
  • Polar molecules can get dissolved in water because they are hydrophilic or water-loving in nature. They have such functional groups in their structure which have the capability of forming hydrogen bonds with water molecules, hence get dissolved in water.
  • Non-polar molecules can get dissolved in non-polar solvents like fats and oils because either of them are hydrophobic or water-hating in nature. They have such functional groups which can form hydrophobic and Van-der-Waal's forces of interaction with each other , hence they get dissolved in non-polar solvents.
  • Polar and non-polar substances are unable to get dissolved in each other because the polar molecules are incapable forming hydrophobic or Van-der-Waals forces of interaction with the non-polar molecules and the non-polar molecules are incapable of forming hydrogen bonding with the polar molecules.
  • Trans-membrane proteins are those which remain integrated in the lipid bilayer of the plasma membrane and spans across the membrane forming a connection between the cell interior and the cell exterior.
  • They are required for transporting small polar molecules and ions across the plasma membrane.
  • The lipid bilayer of the plasma membrane is otherwise impermeable to the movement of polar molecules and ions due to the hydrophobicity of the lipid molecules.
  • The trans-membrane proteins are amphipathic molecules, that is, they are made up of both polar and non-polar amino acid residues.
  • These amino acid residues are such arranged in the structure of the proteins that the non-polar amino acids face towards the lipid molecules in the bilayer thereby forming hydrophobic and Van-der-Waals forces of interaction with the lipid molecules.
  • The polar amino acids face towards the channel or lumen formed by the protein across the lipid bilayer so that they can form hydrogen bonds with the polar molecules and ions which are transported across the plasma membrane.
  • Hence, like interacts with like.
8 0
3 years ago
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