Which statement describes a feedback mechanism involving the human pancreas?
1
The production...
Biology, 22.06.2021 05:10 westjayson69
Which statement describes a feedback mechanism involving the human pancreas?
1
The production of estrogen stimulates the formation of gametes for sexual reproduction.
2
The level of oxygen in the blood is related to heart rate
3
The level of sugar in the blood is affected by the amount of insulin in the blood
The production of urine allows for excretion of cell waste
Answers: 1
Biology, 21.06.2019 15:20
Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.
Answers: 1
Biology, 21.06.2019 22:20
Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria
Answers: 1
Biology, 22.06.2019 02:00
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 13:00
True or false multiple lane changes must be done individually going through the same procedures for each lane change
Answers: 1
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