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jekas [21]
3 years ago
11

Stella and John wanted to test for the effects of temperature on the growth of plants. They took 24 plants- 1 was a control at n

ormal room temperature (20 degrees centigrade) and the other 23 were split into these groups: 4-at 21 degrees centigrade 4-at 30 degrees centigrade 5-at 40 degrees centigrade 6-at 50 degrees centigrade 3-16 degrees centigrade 1-at 12 degrees centigrade Measurements of leaf size and number were taken every two weeks. Describe what is wrong with this approach
Biology
1 answer:
Irina18 [472]3 years ago
4 0

Answer: Explanation:

One, its the portion of samples that are being conducted for each set. The groups are not equally distributed correctly, so the results will not be very accurate at all.

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How did the frequency of stimulation affect the amount of force generated by the isolated skeletal muscle when the frequency of
Alexxandr [17]

Answer:

When the frequency of stimulation of a muscle increases -without it having the opportunity to relax- a process called summation (addition) occurs, promoting an increase in the generation of force in the isolated skeletal muscle.

Explanation:

Summation is a phenomenon that occurs as a consequence of the arrival of successive stimuli that produce the contraction of the skeletal muscle before it achieves its partial or total relaxation, between subsequent stimuli.

<em>When the summation occurs in the muscle, the force generated on it increases its magnitude proportionally to the number of stimuli received, maintaining the muscle contraction in time</em>.

Tetany is the prolonged contraction of a muscle in an abnormal way, by the summation of stimuli received , as some bacterial toxins can produce. The summation can be temporary -when multiple stimuli reach the muscle in a determined time- or spatial, when the amount of stimuli activates a greater amount of motor units.

Learn more:

Spatial summation in a post synaptic neuron brainly.com/question/9632682

3 0
4 years ago
Proteins are synthesized from ________ during synthesis reactions. nucleotides amino acids glycerol and fatty acids monosacchari
ANTONII [103]
I believe proteins are synthesized from amino acids during synthesis reactions.
Protein synthesis starts with transcription of mRNA from a DNA gene in the nucleus.Various types of RNA may have been synthesized using the appropriate DNA. The RNAs migrate from the nucleus to the cytoplasm where the process of translation takes place. During the process the mRNA with the codons (three nucleotide bases that code for a specific amino acids) is interpreted by the anticodons in the tRNA , thus forming amino acids with together forms polypeptides and then proteins are formed.
6 0
4 years ago
Why do scientists want to classify protists into a different group
timama [110]
Because protists have traits that are similar to animals, plants, and fungi. Some protists have a mixture of all three. The three types of protists are Slime Molds, Algae, and Protozoans.

I hope this helped ^_^ 

~Renee 
3 0
3 years ago
Sensing the position and movement of individual body parts is an example of which sense?
serg [7]

Answer:

(a)-Kinesthetic

Explanation:

  • The <em>Vestibular sense </em>is responsible for our sense of spatial orientation or balance.
  • The Auditory sense is responsible for the perception of sounds.
  • The Umami Olfactory sense is responsible for our sense of smell and taste.

So the answer is (a), kinesthesic. It is thanks to the kinesthetic sense that we can go up stairs easily without stopping to see and carefully control the movement of each of our legs.

3 0
3 years ago
Please give answer quick!!!!!
alukav5142 [94]

Answer:

i would go with B and E

Explanation:

by the way u could just read it

5 0
3 years ago
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