Embryonic stem cells. These stem cells come from embryos that are three to five days old. At this stage, an embryo is called a blastocyst and has about 150 cells. These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body.
Density = mass / volume. therefore, something with a greater density either has a larger mass or a smaller volume. Think of density as how compressed something is: more "stuff" (mass) or a smaller "space" (volume) will make whatever that material is more compressed.
Answer:
The following that is true about the statements is letter A, Both (A ) and (R) are true, but (R) is not the correct explanation of A.
Explanation:
A mutagen is any physical, chemical or biological agent that, when exposed to cells, is capable of inducing a mutation, that is, damage to the DNA molecule that is not repaired at the time of cell replication, and is passed on to subsequent generations.
With that being said, Radiation, UV light, and chemicals are exemples of mutagens.
Examples of mutation would be: gene or chromosomal mutations. Gene mutations can be by substitution, insertion or deletion; on the other hand, chromosomal mutations can be structural or numerical.
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1. <span>Largest and most powerful macro-predatory fish that ever lived.
</span>2. Super-predator with the capability to consume a broad spectrum of fauna.
<span>3. Reaching lengths of up to 60 feet.
</span><span>4. Megalodon is an extinct species.
</span>
Answer: Option A
Explanation:
In Prokaryotes the the rate of new mutations is much more as compared to the eukaryotes. The rate of accumulation of mutation is slow in case of eukaryote because their generation is long as compared to prokaryotes.
Prokaryotes have short generation time and large population size which enables them to accumulate the mutation quickly.
The machinery is also not that complex when it comes to prokaryotes. Transduction, conjugation and tranposable elements. So, the changes during these processes leads to mutation in the prokaryotes and can be observed quickly due to their small generation.
