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Sedbober [7]
3 years ago
5

Which material is commonly used as a culture medium for living cells

Biology
1 answer:
Ugo [173]3 years ago
7 0

Answer: Motion

Explanation:

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What is the primary way that metamorphic rocks form?
allochka39001 [22]
<span>Metamorphic rocks form by existing rocks join together under high heat and pressure. Examples of metamorphic rocks are marble, schist, slate, and quartzite. Metamorphic rocks formed when the minerals are chemically changed due to heat and pressure. They are often seen near magma but they do not melt like igneous rock.</span>
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3 years ago
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Which gland secretes the most important hormone controlling calcium balance in the blood?
quester [9]

Answer: The Parathyroid gland

Explanation:

The Parathyroid gland secretes "Parathormone", an hormone that exerts

- direct influence on the bone by INCREASING the release of bone calcium ion (Ca2+) into the blood

- affects the kidney by stimulating the renal tubules to eliminate EXCESS calcium in the urine.

Thus, the calcium balance of the body depends on the secretion of the Parathyroid gland

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3 years ago
The attachment of nucleotides to form a complementary strand of DNA during replication
olga2289 [7]

Answer: is accomplished by DNA polymerase.

Explanation: DNA polymerase is an enzyme that catalyzes the synthesis of a complementary strand of a DNA molecule during replication. The double stranded DNA helix is first unwind by the enzyme known as helicase giving rise to two DNA strands which serve as templates for replication. DNA polymerase then binds to a primer, a short nucleotide sequence and catalyzes the attachment of nucleotides to the primer to form a growing strand that is complementary to the parent DNA.

6 0
3 years ago
How does the human eye interpret optical illusions.
shtirl [24]

Answer:

Humans see optical illusions when the visual system (the eyes and the brain) attempts to interpret an image that evokes a perception that deviates from reality. Your brain displays an image that makes the most “sense,” but it is not always what is actually in front of our eyes.

7 0
2 years ago
Should any of Marjorie's family members whom she comes into contact with be considered at risk of pertussis? If so, who?A) Yes,
dalvyx [7]

Answer:

C) Yes, the six-week-old cousin should be considered at risk.

Explanation:

young are at higher risk of pertussis  as compared to older children and adult because  young infants are not fully immunized. At the young age of 6 week, the cousin may not have started the DPT vaccination.  so babies at this age gets easily affected when they are in contact with the infected people.

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3 years ago
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