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Lena [83]
2 years ago
7

The brain is encased within the ___, which is the large, superior part of the skull

Biology
1 answer:
Alja [10]2 years ago
8 0

The brain is encased within the cranium, which is the large, superior part of the skull.

The bone covering known as the cranium contains the brain. The skull shields the brain from harm. The skull is the collective name for the bones that guard the face and the cranium. There are 22 bones in the skull. All of the skull's other bones, excluding the mandible, are fused together. The skull's bones can be split into two primary groups:

  • Cranial bones (8 bones)
  • Facial skeletal bones (14 bones).

The 8 bones that form the cranium are one ethmoid, one frontal, one occipital, two parietal, one sphenoid, and two temporal.

To learn more about cranium, skull and brain here,
brainly.com/question/18824488

#SPJ4

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Hi!! Help with these biology questions would be greatly appreciated! Thank you!
OverLord2011 [107]

Answer:

A

Explanation:

4 0
3 years ago
Please help its due in a hour!!!!!
garri49 [273]

Answer:

1. The difference between the normal hemoglobin protein DNA sequence and the sickle cell hemoglobin DNA sequence is a base to base shift, in this case adenine (GAG) to thymine (GTG).

2. The difference affects the amino acid sequence of the protein by replacing glutamic acid (Glu) with valine (Val).

Explanation:

In sickle cell anemia, a change in the DNA nucleotide sequence is observed, where adenine is substituted by thymine, whose expression is the change in the amino acid sequence of globine β, incorporating valine instead of glutamic acid. This represents a molecular mutation - point mutation - by subtitution, which corresponds to missense mutation.

<u>Normal hemoglobin protein in a RBC</u>

DNA                 CTG ACT CCT GAG GAG AAG TCT

Amino acids     Leu  Thr   Pro   Glu   Glu   Lys   Ser

<u>Sickle cell hemoglobin protein in a RBC</u>

DNA                 CTG ACT CCT <em>GTG</em> GAG AAG TCT

Amino acids     Leu  Thr   Pro   <em>Val</em>   Glu   Lys   Ser

When GAG is transcribed to mRNA, the CUC codon is obtained, which codes for glutamic acid. Thymine substitution causes the DNA sequence to change to GTG, which is transcribed as CAC, the codon that encodes the amino acid valine. The <u>change from glutamic acid to valine in β-globin causes an altered hemoglobin, giving the abnormal erythrocytes observed in sickle cell disease</u>.

6 0
3 years ago
Why is the phloem in a leaf important to the roots of a plant apex?
Nana76 [90]

Answer:

The correct answer will be- phloem transports photsynthetic products to the roots

Explanation:

Phloem is the vascular tissue which specializes in transporting the solute molecules like sugar in the form of sucrose to in the plants.

The phloem connects the photosynthetic organ (Leaves)  to non-photosynthetic organs (stem and roots) of the plants by transporting the photosynthates or sucrose to various parts.

Since the roots also need the energy to perform metabolic functions so need the photosynthates to synthesize the energy molecule. They receive the photosynthates from the phloem.

Thus, phloem transports photosynthetic products to the roots is the correct answer.

5 0
3 years ago
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Hydrogen bonds exhibit the stronger intermolecular force, and water is a polar molecule, so the hydrogen bonding create strong forces which take more energy to break (causing the surface tension of water), and due to the polarity water molecules “stick” to one another which causes the edges to rise up in a tube, forming a meniscus

8 0
3 years ago
Anybody knows some websites that i can get blood types word problems?
hammer [34]

Answer:

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Explanation:

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