Biology, 12.08.2019 19:10 deandrathomas34
Which of the following best describes cell communication processes that are present in bacteria, yeast, and multicellular organisms?
they carry out synaptic signaling, in which neurotransmitters are released and cause a response in nearby target cells.
they have gap junctions that allow molecules to pass through the cell wall without having to cross the cell membrane.
they produce hormones, which travel to neighboring cells and carry out local regulation processes.
they release chemical messengers to communicate with cells they may or may not be in direct contact with.
Answers: 1
Biology, 21.06.2019 19:40
Asmall number of finches are removed randomly from the wild and placed in a protected bird area. they are given as much food as they need and have plenty of space. why would natural selection not occur in this population? a. there is no reason for genetic mutation to occur. b. the birds compete for limited resources, c. the population has not reached carrying capacity. d. there is no genetic variation in the finches.
Answers: 1
Biology, 22.06.2019 02:00
Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.
Answers: 3
Biology, 22.06.2019 04:30
What is the similarities and differences between bacteria and eukaryote?
Answers: 3
Which of the following best describes cell communication processes that are present in bacteria, yea...
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