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Zolol [24]
3 years ago
14

Koch's postulates are the established rules for determining that a specific pathogen causes a specific disease.

Biology
1 answer:
lukranit [14]3 years ago
5 0

Answer: a. True

Explanation: These postulates were formulated by Robert Koch as a result of his experiments with healthy and infected mice. The postulates are often used to determine if a phatogen causes a disease. These are:

  1. The pathogen must be present in sick individuals but not in healthy ones.
  2. The pathogen must be isolated from individuals and cultivated in a pure culture.
  3. The pathogen cultivated must cause sickness when it's injected in suceptible inviduals.
  4. The pathogen must be isolated from the injected individuals and must be exactly as the first one.

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Eye tests can detect brain tumours. Suggest one other way that brain tumours can be detected. [1]
natulia [17]

Answer:

1. Brain imaging such as CT scans or MRI's can provide evidence of a brain tumor.

2. Brain tumors are hard to treat because of where they are. The brain is the most delicate organ we have. The nerves, veins, blood vessels and more can make treating the tumor very difficult. Brain surgeries can be so complicated when it comes to tumors because any wrong moves and someone can be impaired for life.

Explanation:

I am going off my general knowledge here. I am not entirely sure but I am trying my best to help. Please let me know if it was close or not.

8 0
2 years ago
which of the following statements regarding enzymes is true? (3 points) enzymes increase the rate of a reaction by making the re
ziro4ka [17]

Which is true about enzymes is: enzymes increase the rate of reactions by lowering the activation energy barrier.

Enzymes are chemical compounds in the form of proteins that act as biocatalysts which function to speed up reactions.

Enzymes work specifically, that is, they can only work on certain substrates by adjusting the shape of the substrate. Enzymes sensor with molecules for substrates to produce compounds through organic chemical reactions that require energy. Some of the reactions assisted by enzymes such as the breaking of large molecules into small ones or the binding of molecules into new molecules. Enzymes can do that because of the influence of the activation energy that every chemical reaction has.

Activation energy is the energy required to break down the reactants. The role of enzymes is to lower the activation energy limit needed to start reactions.

Learn more about enzyme at:

brainly.com/question/17320375

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8 0
1 year ago
ANSWER ASAP PLEASE
spayn [35]
False. Continental slopes are fairly shallow and more of a gentle slope. Hope this helps!
7 0
4 years ago
Which part of the brain consists of two large hemispheres, which are divided into smaller areas known as lobes?
vampirchik [111]

Answer:

The answer is the cerebrum.

Explanation:

The brain consists of the following parts; the cerebrum, cerebellum and the brainstem.

The cerebrum is the largest part of the brain located in front. It has two large hemispheres joined by the corpus callosum. The cerebrum has four lobes including frontal, parietal, temporal, and occipital lobes. Functions include: initiation and coordination of movement, memory, touch, hearing etc

The brainstem is composed of the midbrain, the pons, and the medulla. Controls involuntary muscle movements, cardiac function, sneezing etc.

The cerebellum located at the back of the head has two hemispheres. It is controls voluntary muscle movement, posture, balance and equilibrium.

6 0
3 years ago
PLEASE HELP
iragen [17]

Answer:

I think it is D

You can report me if I am wrong

6 0
3 years ago
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