BIOLOGY COLLEGE

Can water from all 4 oceans circulate because they are connected?

Answers

Answer 1
Answer:

Answer: yes

Explanation: because they all connect

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Minos, king of Crete, had made war upon Athens. He had come with a great fleet of ships and an army, and had burned the merchant vessels in the harbor, and had overrun all the country and the coast even to Megara, which lies to the west. He had laid waste the fields and gardens round about Athens, had pitched his camp close to the walls, and had sent word to the Athenian rulers that on the morrow he would march into their city with fire and sword and would slay all their young men and would pull down all their houses, even to the Temple of Athena, which stood on the great hill above the town. Then Aegeus, the king of Athens, with the twelve elders who were his helpers, went out to see King Minos and to treat with him.–“The Cruel Tribute,”James BaldwinWhich detail from the passage creates the most suspense for the reader?“Minos, king of Crete, had made war upon Athens.”“He had laid waste the fields and gardens round about Athens.”“Then Aegeus, the king of Athens . . . went out to see King Minos and to treat with him.”
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"What would Avery, Macleod, and McCarty have concluded if their results had been that only RNAse treatment of the heat-killed bacteria prevented transformation of genetic virulence?

Answers

Answer:

RNA was the genetic material

Explanation:

If avary, Macleod, and McCarty would have seen that only RNAse treatment of the heat-killed bacteria prevented the transformation of genetic virulence than might have concluded that RNA is the genetic material as transformation does not occur because the RNAase degraded the RNA.

But if the genetic material is DNA then RNAase will not work because RNAase can not degrade DNA and then DNA will pass from virulent heat killed strain to nonvirulent strain and will cause transformation.

What makes ribosomal RNA useful as a molecular clock? (2 points) A large portion of the DNA ring is not vital to structure or function, allowing it to accumulate neutral mutations. Its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. A slow mutation rate makes it useful for determining evolutionary relationships between ancient species. It is only found in select organisms, making it easier to compare relationships between species that have it.

Answers

Answer:

The correct statement is that a slow mutation rate makes it useful for determining evolutionary relationships between ancient species.

Explanation:

The rRNA or ribosomal RNA has an application as a molecular clock because of many factors. It exhibits a very slow mutation rate, that is, around one million years because of which it stays highly conserved in all the organisms. In the ribosomal RNAs of two organisms, the degree of mutations can be associated directly with the time they were originated in the past.  

In supplementation, it possesses essential biological function because of which it can be witnessed in almost all the species.  

Answer:

A slow mutation rate

How does blood travel from your heart to your limbs, such as your arms and legs?

Answers

Answer:

Blood always moves through the body by the heart’s pumping action. The muscles in the legs assist blood flow by their action. Aiding these actions, the veins have valves in them that prevent the blood from flowing backward.

Explanation:

Answer:

Blood moves throughout the body because the heart pumps blood

Original DNA coding strand: TAC CCG ACG GGC GAT AGT TTCDNA 1: TAC CCA CGG GCG ATA GTT TC

DNA 2: TAC CCG ACG GGC GAT AGT TTT

a) What types of mutation have occurred in each of the DNA 1 and DNA 2 sequences?
b) Explain how these mutations affect the amino acid sequence produced and the overall effect on the final protein. Which mutation will cause the most disruption to the overall protein structure and why?

Answers

A) DNA 1 by chromosomal mutation
DNA 2 by genetic mutation



Hope it’s usefullll

A student studies art and learned that he has several layers including inner and outer cores the student will make a model of the inner and outer cores of earth which model would be most like earths actual inner and outer cores A: A pool of liquid inside a solid metal ball. B: Metal ball with a slightly smaller solid metal ball inside it. C: A solid metal ball in the middle of a pool of liquid. D: A pool of one type of liquid in the middle of a pool of another type of liquid

Answers

Answer:

C: A solid metal ball in the middle of a pool of liquid.

Explanation:

Since the student is studying the earth, the core area is made up of a solid metal ball in the middle of a pool of a liquid.

  • The core is the inner most part of the earth.
  • It exists in the middle of the earth.
  • The core is divide into two layers; inner core and outer core.
  • The inner core is a solid ball of metal.
  • The outer core is a liquid metal under high temperature and pressure.

A man is heterozygous with a cleft chin (a dominant trait that obeys Mendel's first law) marries a normal-chinned woman and they have 10 children, all with cleft chins. What is the probability that the 11th child will have a normal chin

Answers

Answer:

50%

Explanation:

If the male has a cleft chin, that means that his chromosomes is Aa. His wife must be aa.

             Female      Female

Male      Aa             Aa

Male      aa             aa

With Aa, the child will have a cleft chin. With aa, the child will not. So the probability is 50%.

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