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Anna [14]
3 years ago
10

During the embryonic development of which types of invertebrates does the true coelom develops from the two pouches off the prim

itive digestive tract?
Biology
1 answer:
makkiz [27]3 years ago
6 0

AnswerThese are the enterocoelomates.Starfish, sea urchins are examples.Generally animals of the phyla annelida, molluscs and anthropoda belong to this group.

They  are animals formed by enterocoely; in which the mesoderm arises from the wall of the embryonic gut archentron. The latter is an hollow outgrowth which forms the coelom.It is the type of coelom found in deuterostome animals.

Explanation:

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In his attempt to develop a pneumonia vaccine, Frederick Griffith injected mice with various combinations of living and dead bac
n200080 [17]

Answer:

The mice died

Explanation:

In Griffith's experiment, two strains of the same bacteria were used. S strain was smooth because it had a polysaccharide coat. This coat also made it virulent because mouse immune system was not able to destroy it and ultimately the mice died. R strain was rough because it did not have the coat and thus was harmless to mice.

When Griffith injected mice with dead S bacteria and living R bacteria together, the mice died. Live R bacteria had taken up the genetic material or as Griffith called "transforming principle" from the dead S bacteria and transformed into S bacteria. So live S bacteria were present again and they killed the mice.

4 0
3 years ago
Which of the following statements best describes a difference between mechanical waves and electromagnetic
viva [34]

Answer:

d

Explanation:

dat is based on dea definitions

3 0
3 years ago
Which part of the female reproductive system is responsible for protecting and nourishing a developing fetus
Liula [17]
Hello there! My knowledge of the female anatomy is limited, but I do know that the part of the female reproductive system that protects and nourishes the fetus is the uterus. Please use the comments to tell me if my answer helped you!

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5 0
3 years ago
Fluoxitine is given to a client at a dosage of 500 mg every 6 hours. Assuming that the half-life of this drug is 3 hours, at wha
Ber [7]

Answer:

The correct answer would be - 9 hours.

Explanation:

The half life of a drug is the time that is required to decrease or reduced to one half of the its original achieved level or the highest amount previously taken. The half life of drug is also known as the time a drug take to complete its action.

At a dose of 500 mg the Fluoxitine drug would be 250 mg in 3 hour as it is given that half life of this drug is 3 hours, 125 mg in 6 hours, and in the end 62.5 mg in 9 hours.

Thus, the correct answer is : 9 hours.

6 0
3 years ago
explain how the bonding properties of carbon atoms result in the large variety of carbon-based molecules in living things
GaryK [48]
Carbon atoms have 4 valence electrons. That allows them to make 4 covalent bonds. That means they can make really big molecules. All the organic molecules have Carbon in them.
4 0
3 years ago
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