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Law Incorporation [45]
3 years ago
12

How can scientists know what happened to Earth's climate hundreds of thousands of years ago?

Biology
1 answer:
Mumz [18]3 years ago
5 0

Answer:

But if scientists want to know what Earth's climate was like hundreds of thousands to millions of years ago, they study sediment cores and ice cores. Sediment cores come from the bottoms of lakes or the ocean floor. Ice cores are drilled from deep — sometimes miles — below the surface of the ice in places like Antarctica.

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In DNA replication, which of the following events happens during both leading and lagging strand synthesis?
Scilla [17]

On the leading strand, DNA synthesis occurs continuously. On the lagging strand, DNA synthesis restarts many times as the helix unwinds, resulting in many short fragments called “Okazaki fragments.” DNA ligase joins the Okazaki fragments together into a single DNA molecule

3 0
3 years ago
According to the cladogram, which species are
jeka94

Answer:

B

Explanation:

They are the closest related.

3 0
3 years ago
Read 2 more answers
Categorize allele interactions as completely dominant, incompletely dominant, or codominant.
evablogger [386]

Answer:

Explanation:

Gregor Mendel showed his inheritance character in the garden pea plant. According to him, there are 2 alleles which are inheritable - dominant allele and recessive allele. The dominant allele is always dominant over the recessive one which is known as the complete dominance. When the offsprings have both recessive alleles it will show its character.

There are other characters present besides dominant and recessive. Such characters are known as Mendelian deviation as it does not obey Mendel's law of inheritance. e.g. codominance, incomplete dominance.

In codominance alleles, characters are blended and a new character has seen in the next generation. This new character is neither dominant not recessive, it is an intermediate character between the 2 characters.

e.g When the white and red flowers crossed pink flowers are formed along with red and white.

In the case of codominance, both alleles express their characters. Such phenotypic characters are known as codominance because both alleles are expressed in the offsprings.

e.g. When the red and white flower plants crossed the offspring flowers are red with white spots or the white with red spots.

6 0
4 years ago
A woman with a history of chronic alcohol abuse is admitted to the obstetric unit in labor. When assessing the newborn, which of
inysia [295]
Answer: Small palpebral fissures, Small jaw, and Thin upper lip.
(Options: A, B, & C)

~Hope this helps!
7 0
3 years ago
Explain the relationship between the sarcoplasmic reticulum and the transverse tubules
Hitman42 [59]
<span>T-tubules and SR form Molecularly and Structurally specialized Membrane domains that support  E-C, Excitation contraction.</span>
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3 years ago
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