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3 years ago

According to the graph, how is pH affecting enzyme activity?

Biology

2 answers:

ArbitrLikvidat [17]3 years ago

6 0

C. At a pH of 8, the enzyme starts to denature and changes shape.

nordsb [41]3 years ago

6 0

Answer: C. At a pH of 8, the enzyme starts to denature and changes shape.

Explanation: The activity of the enzyme increases as the pH increases from 0 to 7 i.e in acidic medium but as the pH reaches 8, the enzyme activity starts decreasing which means the enzyme is not able to function properly.

The enzyme is made up of proteins which is composed of chain of amino acids. Thus in basic pH i.e pH above 8, the bonds of the amino acids break and the enzyme is said to get denatured as the shape of enzyme has changed.

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É correto afirmar que a presença de lagartas em espigas de milho se deve:

slavikrds [6]

Answer:

C - ao desenvolvimento de ovos depositados por borboletas.

Explanation:

Antes de responder a sua pergunta, eu preciso te explicar que esse não é o servidor brasileiro e sim o servidor dos EUA, você deve ter percebido que toda a linguagem do site esta em inglês. Isso significa que você só deve postar perguntas em português no campo "World Languagens" mesmo que a sua pergunta seja de biologia como essa. Caso você não faça isso, a sua pergunta pdoe ser excluída, sem ser respondida.

As lagartas que surgem nas espigas de milho, são resultado do ciclo de vida da lagarta e refere-se ao momento em que os ovos depositados nas plantas de milho pelas borboletas se chocam, liberando as lagartas, que se desenvolverão e virarão novas borboletas.

É impossivel que um grão e milho vire uma lagarta, ou que o sabubo apodrecido pode gerar lagartas. Além disso, o ´processo de geração espontanea é uma teoria cientifica invalida e que não deve ser considerada.

8 0

3 years ago

What following organisms is considered to be an exception to the cell theory

Mars2501 [29]

A virus, because it has a non-cellular structure.

3 0

4 years ago

Which of the following is a radially symmetrical animal with stinging tentacles?

madreJ [45]

The answer is B. Cnidarians

Cnidarian body has no left or right side, only tom and bottom surfaces. If you divide cnidarian a about central point, you will get equal parts. So, cnidarians are radially symmetrical animals. This group includes hydroids, jellyfish, anemones, and corals. In all groups, animals have stinging cells on tips of tentacles. They use them to capture the prey. Their name literally means stinging creatures.

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3 years ago

Match each activity to its consequence,

Veronika [31]

Answer:

1) Use of aerosol sprays containing CFCS----Increase in greenhouse gases and causes Ozone depletion.

2) Use of extinguishers------ in the Combustion of fossil fuels.

3) Use of carbon tetrachloride as an

industrial solvent-----Agricultural activities

Explanation:

Aerosol sprays containing CFCS which is a harmful substance causes depletion of ozone layer which protects us from harmful radiation of the sun.

Carbon tetrachloride is used in agriculture activities such as a fumigant in the storage house for preventing the grains from pest attack.

Extinguishers are used for controlling the Combustion of fossil fuels.

3 0

3 years ago

Glucose and oxygen are used by cells to produce energy for muscle action - this process occurs within each cell. Your new workou

maxonik [38]

This situation listed in the question will not happen this way. The energy of cells works differently from the problem, as oxygen is fat-soluble and therefore requires no membrane protein to be transported across the cell membrane. In that case then, the supplement would not be able to increase the amount of oxygen in the cells.

7 0

3 years ago