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Alina [70]
3 years ago
5

Why compounds are the building blocks of DNA macromolecules?

Biology
1 answer:
Vladimir79 [104]3 years ago
6 0
Nucleotides are the building blocks of DNA macromolecules
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Write down the name of two trivalent and two bivalent radicals.​
hram777 [196]
Elements [or radicals] with valency one are monovalent, those with valency two are divalent, and those with valency three are trivalent.
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What is the Valency of an Element / Radical?
Valency Divalent [2]
Element / Radical Oxide [Oxygen]
Symbol O
Ion O2-
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4 years ago
select all of the following that are examples of how organisms respond to external stimuli. multiple select question. a person r
Airida [17]

The answer is a person removes their hand after touching a hot stove and a person turns their head toward the source of loud noise.

External stimuli are factors outside of the body that is taken in by receptors and will lead to a response. Examples of external stimuli include temperature changes, vision, hearing, tasting, smelling, and even sunlight for plants.

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6 0
2 years ago
What is one sign that indicates a physical change​
vichka [17]

Answer:

A - matter changes but no other substance is formed.

Explanation:

A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another. Therefore a change of matter is a physical change.

3 0
4 years ago
Which layer of the alimentary canal contains not only glands and blood vessels but also a nerve plexus that helps regulate diges
Drupady [299]
<span>The submucosa<span> of the alimentary or the gastrointestinal tract contains numerous glands (i.e. gastric glands in the stomach, Brunner's glands in the duodenum) as well as numerous blood vessels. The submucosa also contains the submucosal nerve plexus or Meissner's plexus which functions to control the secretion of the submucosal glands.

</span><span><em>Another layer that has a nerve plexus is the muscularis layer which has the muscular nerve plexus or Auerbach's plexus which control the contractions of the gastrointestinal tract. The Meissner's and Auerbach's plexus are collective called the enteric nervous system.</em></span></span>
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3 years ago
Cara set the following goal for herself:
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The effectiveness of Cara's goal can be achieved using the MAD goals concept when her idea is  Measurable, Attainable, and have a Deadline.

<h3>What is the Mad goals concept?</h3>

The ​​MAD Goals are:

  • Measurable
  • Attainable
  • Deadline.

They should be measurable so students can know if they are making progress towards their goals.  They should be attainable because there is no sense in having goals that can never be reached.  They should have a deadline so that the student will feel some urgency to reach the goal.

The effectiveness of Nolan's goal can be achieved using the MAD goals concept when her idea is  Measurable, Attainable, and have a Deadline. When the cancer donations falls within the defined steps above, she can be able to attain her goal.

Thus, this could be the answer.

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8 0
2 years ago
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