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Montano1993 [528]
3 years ago
11

What is a stem cell?​

Biology
1 answer:
crimeas [40]3 years ago
4 0
An undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
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What is the most common method large businesses use to communicate their views on environmental issues to legislators?
aleksklad [387]
The most appropriate answer is d. they hire lobbyists. Lobbyists are individuals who attempt to influence government policies or legislature. Businesses pay these individuals to advocate on their behalf on policies and legislature. Lobbyists may be members of specific interest groups such as environmental protection or child care and protection. 
5 0
3 years ago
Which of these options represents the correct flow of events during meiosis II?
Nuetrik [128]
The correct answer is A.) Sister chromatids pulled to opposite pole, nucleoli form, cytokinesis.  
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2 years ago
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Which of the following is a basic type of vaccine?
Katyanochek1 [597]

The basic type of vaccines are:

nucleic acid vaccines

subunit vaccine

live, attenuated vaccine

An easy, secure, and reliable method of preventing hazardous infections before you are exposed to them is vaccination. It boosts your immune system and builds up your body's natural defenses against particular illnesses.

Your immune system is trained by vaccinations to produce antibodies, exactly as it does when it is exposed to a disease. However, because vaccinations only include dead or weakened versions of bacteria or viruses, they do not really cause the disease or increase your chance of developing its symptoms.

In order to create immunity, vaccines act in conjunction with your body's natural defenses. Your immune system reacts when you receive a vaccination.

To know more about vaccines, visit:
brainly.com/question/6683555
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6 0
11 months ago
Darwin realized that the often exquisite fit of species to their environment is primarily the result of
bagirrra123 [75]
Natural Selection.
An easy and important way to remember this is by thinking of a species - let’s say a bright white moth. For ages, these moths have survived beautifully, matching perfectly with the white tree bark they live on, until one day, a smoky building begins pumping its soot into the air. This air begins to change the color of the tree bark to black and the once hidden white moths are now plainly visible to birds who eat them easily. Fortunately, every now and then a moth is born who is darker than the rest - black as soot even. And so, the birds keep eating the white moths but missing the soot-colored ones. As time goes by, the soot-colored moths produce more and more similarly colored moths, who are well hidden from the birds AND after enough time, the only moths that remain are soot-colored. This is why so many species “fit” exquisitely into their environment. They have ALL adapted in some way similar to the soot-colored moth.
6 0
2 years ago
Help me please please
disa [49]

Answer: I think it id b  But im not positive

4 0
3 years ago
Read 2 more answers
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