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dangina [55]
3 years ago
5

Marijuana is a(n)

Biology
2 answers:
Montano1993 [528]3 years ago
7 0

Answer: Marijuana is a stimulant.

bonufazy [111]3 years ago
4 0

Answer:

Marijuana is a stimulant.

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(Experiment 1: Diffusion through a liquid) Does the rate of diffusion correcspond with the molecular weight of the dye?
saveliy_v [14]
The answer to this question would be: False

The rate of diffusion should not be influenced by molecular weight. Big molecule might not be able to pass the membrane though.
Diffusion happens when there is a difference/gradient in the concentration of the molecules. If the difference is higher, then the diffusion rate will be increased.
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2 years ago
What is the function of the sinoatrial node?
Aleks04 [339]
Since the other answer got deleted, i'll just answer it for you.

a sinoatrial node is the main pacemaker that begins each heartbeat located in the junctions of superior vena cava and the right atrium. It signals from the node that spread through the atria and determines the heart rates.
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3 years ago
Why is it argued that speech is only possible in modern homo sapiens and not in homo erectus or homo neanderthalensis? the brain
Oxana [17]

Answer: homo sapiens is the only species with a large enough oral cavity and a low enough larynx to allow for speech production. 

<span>One line of evidence that speech only possible for modern homo sapiens is the anatomy of their throat. Speech depends on certain anatomical arrangements and the Homo sapiens is the only species with a large enough oral cavity and a low enough larynx that would allow speech.</span>

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3 years ago
What is the sequence the organs that are involved in each step of digestion
Cloud [144]

Answer:

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Liver, pancreas and gallbladder are solid organs of digestive system.

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Digestion is the process involved in the conversion of large complex food molecules into smaller nutrients that can be used by body cells for survival and carry out their function. The digestive system comprises of various subsequent organs that digest the food.

  • Digestion starts in mouth where salivary glands digest the carbohydrates.
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  • The stomach mixes the food with digestive juices and move the chyme to small intestine.
  • The small intestine mixes the food with juices secreted from pancreas, liver and intestine and pass it to large intestine.
  • The large intestine digest the water content from indigested food and pass the reamining to rectum.
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What are Sister chromatids?
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Sister chromatids are two identical copies of Chromosome that is formed by the replication of a single chromosome.

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2 years ago
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