Hurry i will give brainliest no copy and no guessing

A sample of water containing amoeba and bacteria was kept in a container After some days it was observed that only amoeba existed What do you think is the reason for the disappearance of the bacteria?
the bacteria might have:
A, move out of the container
B, been killed by chemicals in water
C, been eaten by amoeba
D, been dead due to lack of air
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Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do not exist

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.