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xxTIMURxx [149]
3 years ago
11

Which is an example of how the cell membrane of a tube worm maintains a

Biology
2 answers:
Nikitich [7]3 years ago
4 0

Answer:

c

Explanation: this is the correct answer

Vsevolod [243]3 years ago
3 0

Answer:

Correct answer: c) it prevents minerals in the water from flowing into the cell

Giant tube worms are marine invertebrates , it can survive in a complete darkness at depth of 5.280 feet. They inhibit the areas near the hydrothermalvent that release extremely hot water filled with minerals, which help them to maintain a constant environment inside the cell.

Giant tube worm live in a symbiotic relationship with microorganism . Bacteria prepare food in return to accommodation. It do not have eye, leg and stomach.

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A student would like to determine how heating a liquid changes its volume. The student hypothesizes that the liquid will increas
frez [133]

Answer:

B.  The volume of the liquid should be measured before it is heated.

Explanation:

A student made serious mistake that he did not measure the volume of the liquid before heating.

The scientific experimentation along with care and attention need a proper protocol which a scientist needs to follow to get the results.

The initial hypothesis of the student shows that he wants to know the change in volume, so it is inevitable to calculate the initial volume to know the difference after the completion of experiment.

<em>All other options seem less appropriate than Option B, therefore B is the right answer.</em>

I hope it help!

8 0
3 years ago
Drugs to reduce the risk of rejection are given to organ transplant patients because patients because the donated organ contains
leonid [27]

The answer is; cell surface receptors that are recognized as antigens by the recipient's immune system.

Therefore the organ is attacked as a foreign substance . This is why organ transplants are given by the closest family member to reduce the antigen variability that causes transplant rejection.  Tissue typing is done to ensure that the organ or tissue is as similar as possible to the tissues of the recipient.


3 0
3 years ago
Read 2 more answers
What is the smallest part in your body
Aleks [24]
What’s the smallest muscle in the human body? The stapedius, in your middle ear, measures about 1mm in size (or 1/26 of an inch). Connected to the stapes bone, it contracts to pull back the stapes and help protect your inner ear from loud noises. The stapedius also contracts to keep your own voice from sounding too loud in your head.
What’s the smallest bone in the human body?
Conveniently, that would be the stapes. It is one of three tiny bones in the middle ear that convey sound from the outer ear to the inner ear. Collectively called the ossicles, these bones are individually known as the malleus, incus, and stapes. Those are Latin words for the shapes the bones resemble: a hammer, anvil, and stirrup.
What’s the smallest organ in the human body?
You’ll find the pineal gland near the center of the brain, in a groove between the hemispheres. It’s not an organ like those in the abdominal cavity. It’s the human body’s smallest endocrine gland, and it produces melatonin, a hormone (derived from serotonin) that affects how we sleep, wake up, and react to seasonal changes. It’s called pineal because it’s shaped like a little pinecone.
What’s the smallest blood vessel in the human body? <span>Capillaries, the smallest, thinnest-walled blood vessels in the body, connect veins and arteries. They can be as small as 5-10 micrometers wide — or 50 times thinner than a baby’s hair. Each of us contains about 10 billion of them, with the average adult body containing about 25,000 miles of capillaries.</span>
4 0
3 years ago
Read 2 more answers
With the proper stimuli, chemoreceptors and mechanoreceptors are depolarized. This is a result of:Sodium channels opening as a r
Alex73 [517]
<h2>Sodium channels </h2>

Explanation:

Depolarization is a result of sodium channels opening as a result of chemical or pressure-based stimuli    

  • Depolarization starts when a threshold stimulus applied on a neuron via Na+ mechanically operated channels that trigger action potential
  • Action potential is an efficient signaling process by which distantly located cells communicate to each other
  • Depolarization of membrane potential is due to influx of Na+ via voltage gated Na+ channels
  • Fast opening of voltage gated Na+ channel shifts membrane potential from -70mV to + 50mV at which voltage gated Na+ channels become inactive thus influx of Na+ abruptly stops        
7 0
3 years ago
If a red blood cell has no A or B proteins on it but does have Rh proteins, what blood type is the red blood cell?
muminat
O+ (O positive) if you have neither A nor B antigens but you have rhesus antigens.
5 0
3 years ago
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