![subject](/tpl/images/cats/biologiya.png)
Biology, 09.09.2020 17:01 maxgeacryne5573
Which of the following best describes the role of an enzyme in living organisms?
O A. Enzymes raise the activation energy required to start a reaction
Đ’.
A. Enzymes work as catalysts to speed up the rate of a reaction.
OC
A. Enzymes always break down substrates into monomers,
O D. Enzymes are broken down into products during a reaction.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 07:00
8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 12:10
Which is the most likely reason the writer of the play pygmalion chose to change the character of galatea from a statue to working-class woman?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:50
Polar zones are cold and tend to be dry because of a pressure system of cold. low high
Answers: 1
You know the right answer?
Which of the following best describes the role of an enzyme in living organisms?
O A. Enzymes raise...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 28.02.2021 02:40
![question](/tpl/images/cats/mat.png)
Mathematics, 28.02.2021 02:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 28.02.2021 02:40
![question](/tpl/images/cats/mat.png)
Mathematics, 28.02.2021 02:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 28.02.2021 02:40
![question](/tpl/images/cats/health.png)
Health, 28.02.2021 02:40
![question](/tpl/images/cats/mat.png)
Mathematics, 28.02.2021 02:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.02.2021 02:40
![question](/tpl/images/cats/en.png)
English, 28.02.2021 02:40