Oxygen moving through the plasma membrane down its concentration gradient

Oxygen moving through the plasma membrane down its concentration gradient is an example of

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Solution 1

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Organs that are reduced in size that they are just vestiges, or traces, of homologous organs in other species are called
Solution 1
These organs are called vestigial organs
Solution 2
Vestigial organs

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Question
Organelles have their own genomes. when chloroplast dna is sequenced and compared to genomes from members of the cyanobacteria, the sequence is nested within cyanobacteria. this is strong evidence for the hypothesis that:
Solution 1
This is strong evidence for the hypothesis that the chroloplast originated ais a symbiotic cyanobacteriam that became permanentely  incorporated into its host.the complete genome sequence of cyanobacteria and of the higher plant arabidopsis thaliana leave no doubt tha chroloplast originated through endosymbiosis from a cyanobacteriam
Solution 2
Organelles have their own genomes. when chloroplast DNA is sequenced and compared to genomes from members of the cyanobacteria, the sequence is nested within cyanobacteria. this is strong evidence for the hypothesis that: 

The chloroplast originated as a symbiotic cyanobacterium that became permanently incorporated into its host.
Question
For an experiment, a scientist plans heat an unknown liquid over a busen burner . which safety measures would be most important for the scientist to follow during this experiment? a. wear protective clothing,such as goggles,gloves, and lab coat. b. insert earplugs to seal the ear against loud noises. c. write the date on the breaker of the unknown liquid d. put up a warning sign about flammable materials in the laboratory
Solution 1
The most important thing a scientist needs to do if he plans to heat an unknown liquid would be to d - put up a warning sign about flammable materials in the laboratory but more importantly a - wear protective clothing like goggles, gloves and a lab coat. 

Both of these things are very important and should be abided by each scientist. 
Solution 2
The scientist must wear protective clothing, such as goggles, gloves, and lab coat. Wearing the necessary protective clothing in laboratories is one of the first protocols that ensure the safety of people who do experiments.

These types of
 clothing provide protection for sensitive parts of the body (e.g. hands and eyes) that are exposed to different types of chemicals. If the scientist does not take this preventive measure, he/she could end up getting 1st to 3rd degree burns on the skin or worst get badly exposed to chemicals that are harmful to the body. These types of clothing are specifically designed and tested to withstand different forces that could possibly occur inside laboratories and should not be taken lightly by anyone who is involved with experiments.
Question
One scientist who attempted to explain how geological processes, such as rock layers, form and change over time was
Solution 1

One scientist who attempted to explain how geological processes, such as rock layers, form and change over time was Charles Darwin, as he is one of the scientists who has given most of the prominent theories on the evolution of species.

What is the significance of Charles Darwin?

Charles Darwin made numerous contributions to the field of evolution, including proposing the theory of evolution by natural selection, which explains the origin of species, and providing a scientific explanation for life's diversity. Darwin has also made major contributions to the fields of biology, geology, and palaeontology.

Hence, one scientist who attempted to explain how geological processes, such as rock layers, form and change over time was Charles Darwin, as he is one of the scientists who has given most of the prominent theories on the evolution of species.

Learn more about Charles Darwin here.

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Solution 2
One scientist who attempted to explain how rock layers form and change over time was... James Hutton.

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Question
The most plentiful source(s) of potential energy in the body is/are ____________
Solution 1

The most plentiful source of energy present in the body is Fat.

Explanation:

The body requires nutrient and energy in the form of Fat, Proteins and carbohydrates also known as the macro nutrient. Fats are the one which enables the metabolic function of the body.

Fats are of two types. Saturated Fat and unsaturated fat. Saturated fatty acids are not good as it is stored in the solid form and unsaturated fatty acids are good as stored in a liquid form. Fats are rich in energy which helps the body to protect it’s organs and provides energy for the smooth functioning of the system .

Question
The two dna strands run in opposite directions. what vocab word describes this orientation?
Solution 1
2. the amount of G = the amount of C (pairing ratio of 1:1) c. the hydrogen bonds hold the molecule in its defintive shape. Complementary bases
Question
The nurse is admitting a client who states, "i was bit by a brown recluse spider." which observations made by the nurse would indicate the client's report is accurate?
Solution 1
Observations for a recluse spider bite exhibits the signs and symptoms of the ff:

- the skin is reddened, and will be followed by blisters that will be forming on the bite site. 
- in 2 to 8 hours of the bite, intense pain will be felt by the victim or the patient, and is accompanied by itching.
- a week after the bite, an ulcer or a sore (open) with necrosis (breakdown of tissues) will develop and may take up to a month to heal. 
Question
Tina had brisk capillary refill (less than 3 seconds). what does this mean?
Solution 1
This indicates blood flow in the capillary. Brisk capillary refill indicates that the arterial supply to the distal parts are enough to provide oxygen and nutrients. This test can also allow to examine if there is dehydration and inadequate blood volume to perform perfusion. This test can be done by pressing the the soft pad of a finger until it turns white, then observe how long it will take to its original color. Prolonged capillary refill means patient is in shock and adequate hydration must be started.
Question
Which of these is a function of the xylem?
Solution 1
The xylem is the structure of the plant that is responsible for transporting water from the ground up to the different parts of the plant. It is composed water, inorganic ions, and a number of organic chemicals.  

Xylem tissue is found throughout the plant because not only does it transport water, but it also transports the nutrients that the plant needs for different processes. Aside from being responsible for the transportation of materials, the xylem is also used to replace water that was lost during photosynthesis and transpiration. 
Solution 2

Answer:

anchor the plant

Explanation:

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Question
The nurse is reinforcing education for a client taking tetracycline for severe inflammatory acne. which instructions are important to reinforce?
Solution 1
The instructions which are important to reinforce to the client is that,

1. Tetracycline should not be given to pregnant women because it affects the unborn child.
2. Tetracycline discolors teeth. It makes the teeth which were white to turn into yellow color permanently.
3. It should not be given to children who are under the age of eight years because it sunburns easily and brings kidney problem.

Tetracycline can also treat plaque, syphilis, cholera, and acne. Its work is to block the ability of bacteria to make proteins.