The drugs that Zayden is most likely abusing is narcotics
Answer:
Long Distance Running
Explanation:
As opposed to sprinting, running for long periods of time builds slow twitch muscles, more suited for endurance/stamina than bursts of power (sprinting).
Answer:
B. The ultrasound identifies blood flow through the umbilical cord.
Explanation:
Before amniocentesis, a routine ultrasound is valuable in locating the placenta, locating a pool of amniotic fluid, and showing the physician where to insert the needle. Color Doppler imaging ultrasonography identifies blood flow through the umbilical cord. A routine ultrasound does not accomplish this.
Answer:
The student forgot to add reverse transcriptase
Explanation:
Reverse transcriptase is an enzyme, also called DNA polymerase or RNA-dependent, responsible for carrying out the transcription process, which corresponds to an “inverted copy”, as opposed to the cellular pattern. In other words, this enzyme polymerizes DNA molecules from RNA molecules, the opposite of what commonly occurs in cells.
The student, exposed in the question, wanted to create cDNA through an isolated and amplified mRNA sample, but this student did not use reverse transcriptase, so it would be impossible for his experiment to have good results.
B. because you really cant rely on web pages to help you on a test for they might not have the accurate information. <span />