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Margaret [11]
3 years ago
11

An animal study is being conducted to determine the effect of vitamin C on the incidence of common cold. The researcher gives on

e group of rats the vitamin C pills and the other group of rats gets the ""dummy"" pill (placebo). The rats that received the placebo would be called the _____ group.
Biology
1 answer:
Sav [38]3 years ago
5 0
<h2>Placebo Effect</h2><h2>Explanation:</h2>
  • C<u>ontrol group </u>is Right Answer.
  • An animal study is being conducted to determine the effect of vitamin C on the incidence of common cold.
  • The researcher gives one group of rats the vitamin C pills and the other group of rats gets the ""dummy"" pill (placebo).
  • The rats that received the placebo would be called the <u>control group.</u>
  • Endogenous opioids, for example, endorphins and enkephalins, are normal pain alleviating synthetic substances created in the body.
  • Absense of pain because of the misleading impact is reliant upon the actuation of propositions endogenous opioids in the brain.

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Which data would not affect maximum likelihood estimates of phylogenies when comparing different tree hypotheses?.
Leona [35]

The set of species derived from one common ancestor.

To build phylogenetic trees, a variety of data can be employed, including genetic information, mitochondrial DNA sequences, ribosomal RNA genes, and any relevant genes, as well as morphological information such as structural characteristics, organ kinds, and specific skeletal arrangements

<h3>What is a Phylogenetic tree ?</h3>

A phylogenetic tree, also called a phylogeny, is a diagram that shows the evolutionary branches from which various species, creatures, or genes have descended from one another.

  • A phylogenetic tree can be used to track a species' evolutionary history back via the tree's branches and find their common ancestors along the way.

  • A lineage may preserve some of its ancestors' characteristics over time, but it will also change over time to accommodate the environment.

Learn more about Phylogenetic tree here:

brainly.com/question/9966170

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7 0
1 year ago
Plants perform cytokinesis differently than animals because
Gelneren [198K]
Plants perform cytokinesis differently than animals because plant cytokinesis takes place during interphase but animal cytokinesis takes place in cell division.
> Unlike animal cells, plant cells have a cell wall which needs to be divide or split up.<span> 
>Mitosis and cytokinesis are two different things; mitosis is the division of the components of the nucleus, whereas cytokinesis is the division of the
 cytoplasm and its constituents.

Thus, the answer is letter A.</span>
4 0
3 years ago
Which food has the most carbohydrates?
irinina [24]

Answer:

The answer would be peanuts, Which contain a total of 24 g of carbs.

Sorry if i'm wrong! i just went on a mini reasearch spree :3

8 0
2 years ago
Think about all of the figures that illustrate tracheids. What are the functions for tracheids? How can you identify a tracheid
kotykmax [81]

Answer: The tracheids have important functions in the plant.

Explanation: The mechanical support is provided by the lignified walls of tracheid cell. the helps in other functions of the plant such as transporting water and getting the solute from the root to the stem and eventually the leaf of the plant.

The tracheids are most useful in the gymnosperms where elements need to be transported.

Identifying a tracheid in a cross section is quire easy as the tracheid cells fit into each other neatly and piled up similarly and have identical shapes as well which makes them obvious from other cells.              

The two examples of tracheid plans could be

  • pteridophytes
  • gymnosperms  

The most common thing that could be found in traceid plant is that this cells are mainly present for transporting either water other solutes in the plant body.

4 0
2 years ago
Where is the energy shown in the equation transferred as a result of photosynthesis?
Leto [7]

The right answer is into sugars.

Photosynthesis aims to create energy (in the form of carbohydrate) from the

light energy from the sun. The organisms that use the photosynthesis

mechanism are phototropic because they make organic materials from

inorganic materials.

5 0
3 years ago
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