1. Answer;
Monkey
Explanation;
-Scientists can compare the DNA of two organisms; the more similar the DNA, the more closely related the organisms.DNA-DNA hybridization, this process hybridizes the genetic information from two different organisms to determine similarities between them.
-In this case the DNA of housefly, bettles , butterfly and grasshopper are very similar as they are closely related organisms.
Therefore; Monkey's DNA would be expected o be least similar to the housefly’s.
2. Answer;
The sample yields very little DNA,
which means that it must be amplified to produce enough quantity to detect on a gel
Explanation;
-Polymerase chain reaction, or PCR, is a technique used to take a piece of DNA and make many copies of it. This technique is very similar to the natural process which cells use to make new copies of DNA, but it is also a little different.
-PCR is a necessary step in the analysis of a DNA sample taken from a crime scene because the sample yields very little DNA, which means that it must be amplified to produce enough quantity to detect on a gel.
Answer:
C) relaxation of the internal urethal sphincter
Explanation:
The muscles that control micturition are controlled by the autonomic and somatic nervous systems.
Micturition is inhibited (storage phase, when bladder is at low volume) when internal urethral sphincter are contracted and the detrusor muscle relaxed by sympathetic stimulation. During micturition, parasympathetic stimulation leads to the detrusor muscle contraction and the internal urethral sphincter relaxation. The external urethral sphincter is under somatic control and is consciously relaxed during micturition.
The mitochondria is in the brain used as a powerhouse. Basically without it our brain would not be able to function
A vestigial structure is a structure that kind-of just "hangs out" in our bodies. We don't really need it, yet it is there. So, why is it there??? We probably needed it, for example, when we needed to digest plants. (Appendix) Some say that the appendix was used for digesting plants and berries, but it is really just speculation. We "evolved" to not need the appendix.
Here are some other vestigial examples: wisdom teeth, tail bone, pelvic bone in a snake, and wings on a flightless bird.
I hope this helped, if it did not let me know!!
I hope you have a fantastical day!!!XD
Hello.
Water is necessare because it leads to <span>Photosynthesis that lets plants grow.
Have a nice day </span>
