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Alika [10]
3 years ago
15

True/False Indicate whether the sentence or statement is true or false. Aluminum boils at 2467°C. Aluminum’s boiling point in Ke

lvin is 2194. Please select the best answer from the choices provided T F
Biology
1 answer:
Novosadov [1.4K]3 years ago
8 0
False
2467+273.15=2740.15
Therefore, the boiling point of Aluminum is 2740.15 K.
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Chrysanthemums are short-day plants. select conditions in which you expect chrysanthemums to flower.
SpyIntel [72]

Due to the information that they are short-day plants, I would expect chrysanthemums to flower during the times of the year when <u>days are shorter and nights are longer. </u>

Plants require sunlight to grow and flower or produce fruit. While some plants require more light than others, almost all plants require some form of light to survive, much less flower. Pants are often classified according to the amount of light that they require, these classifications are:

  1. Day-neutral plants
  2. Long-day plants
  3. Short-day plants

Day-neutral plants are those that can flower regardless of the amount of light that they receive. These are very resistant species of plants that can thrive even through periods of prolonged darkness. Though they do well with even a small amount of light, they will still require it to survive. One example of this kind of plant is the <em>tomato</em>.

Long-day plants are, as the name may suggest, plants who thrive when the days are longer. These plants will not survive or bloom without many hours of sunlight every day. The <u>optimal conditions for this kind of plant are meet during the summer,</u> when the Earth is tilted towards the sun, causing longer days.

Finally, short-day plants are those who require little sunlight to flower. These are different from day-neutral plants in that during days with many hours of sunlight, they will not flower. These plants, such as the chrysanthemums, will only flower if daylight hours are low, meaning that <em>spring</em> and <em>fall</em> are <u>optimal conditions for these plants to prosper. </u>

To learn more:

brainly.com/question/24849266?referrer=searchResults

4 0
2 years ago
A segment of a DNA molecule has the base sequence ATGAAC. Write a shorthand structure for this segment and for its comp
Leno4ka [110]

Answer: The sequence will be 5' ATGAAC 3' and 3' TACTTG 5'.

Explanation:

DNA is a molecule that contains genetic information that codes for protein synthesis in all organisms. This molecule consists of two strands that coil together to form a double helix structure. Each of these chains is formed by nucleotides, which are the monomers of nucleic acids and are formed by the union of a five-carbon sugar (pentose) called deoxyribose, phosphate groups and a nitrogenous base. The nitrogenous bases can be:

  • Adenine (A)
  • Cytosine (C)
  • Guanine (G)
  • Thymine (T)

The two chains are held together by bonds called hydrogen bonds between the bases. <u>Consider that A is only linked to T by two hydrogen bridges, and that C is only linked to G by three hydrogen bridges.</u>  This means, both chains are complementary to each other.

The 5' and 3' stand for "five prime" and "three prime", which indicate the carbon numbers on the sugar of DNA. For the classification of the pentoses (which are made of 5 carbones attached to each other), we consider that carbon with the phosphate group is the 5' carbon; and the carbon of with the hydroxyl group, is the 3' carbon. <u>This asymmetry gives a DNA strand a "direction" and causes it to be considered antiparallel, meaning that the nucleotide at the 5' end is first and the nucleotide at the 3' end is last.</u>

Then in this example, the sequence will be 5' ATGAAC 3' and 3' TACTTG 5'.

5 0
2 years ago
Darwin presented a hypothesis about how evolution takes place. Now this hypothesis has become a theory. What caused the idea to
Step2247 [10]

Answer:

C. Darwin performed an experiment that supported his hypothesis.

Explanation:

Darwin believed that his experiment, which was comparing the finch's beaks from Galapagos Archipelago, in which there was variation between the size and shape of beaks, as the basis in which he believed evolution was correct. However, variation does not mean evolution, and evolution, in which it calls for a chain of events to create beneficial traits successively, is nigh impossible to occur in the real world. Again, that is not to say that there is no such thing as variation, in which there is, in which people or animal groups adapt to their natural habitat. However, to state that adaptation is proof that a species becomes another is to go out on a limb, and current failures of "new species" (in that it originates from today's day and age, rather then <em>discovered</em>) to emerge is proof of such.

7 0
3 years ago
For BRAINLIST
Nastasia [14]

Answer:

mantle i believe the answer should be mantle

8 0
2 years ago
Read 2 more answers
Trypanosome infections evade attacks by host immune systems through which of the following mechanisms? A. insertion of its DNA i
lapo4ka [179]

Answer:

<h2>Through production of news cell-surface proteins with a different molecular structure by each new generation. Letter B</h2>

Explanation:

The life cycle of theses paratises extracellular alternate between the salivary glands of the insect transmitter and the blood of the mammal. During the set prior to the entry into the host, the metacylic parasites express a dense over formed by the Variant Surface of Glycoprotein, after entering to the mammal host they transform  into a morphology that stays in the bloodstream.

<em>The parasites have to manipulate hosts cells in order to avoid the production of antimicrobial molecules and to benefit from growth factor production.</em>

<em>Intracellular protozoa have a remarkable adaptive capacity as they are able to resist killing by remodelling the phagosomal compartments where they reside and by interfering with the signalling pathway that leads to cellular activation. </em>

3 0
3 years ago
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