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Degger [83]
3 years ago
9

What is the negative control and positive control in a presumptive blood test?

Biology
1 answer:
gulaghasi [49]3 years ago
6 0

Answer:

Test a known bloodstain as a positive control and a blank (filter paper) as a negative control (see interpretation of results to determine a positive and negative result).

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Most deer mouse populations inhabit regions with dark soils. These deer mice have dark brown fur. Populations of deer mice found
mixas84 [53]

Answer:

Tan fur helps the mice protect themselves from predators

Explanation:

The entrenchment of this phenotype in the population is powered by natural selection pressures. The mice with fur color that enable them to camouflage with their environment are predated less than mice with other fur colors. These tan mice are therefore more likely to survive and pass their genes to the next generation. Through successive generations, the allelic frequency for the tan fur color increases until it is the dominant allele in the population.

7 0
4 years ago
What is the relationship between photosynthesis and cellular respiration?
scoundrel [369]

Answer:

Photosynthesis converts carbon dioxide and water into oxygen and glucose.

Explanation:

Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

5 0
3 years ago
Mrs. Mitchell was hospitalized after being found unconscious in her home. A dietitian conducted a nutritional assessment noting
tia_tia [17]

Answer:

The correct answer will be option- Clinical examination

Explanation:

Clinical examination is performed by the medical practitioner in which the practitioner examines the patient for a medical condition based on the physical condition of the patient.

The examination involves the three steps: a history of the patient, examination of the symptoms based on the medical reports and the possible explanation of for the cause.

Since in the given question, the dietician after noticing the physical health assessed the nutrition therefore the doctor is performing the clinical examination.

5 0
3 years ago
I just wanted to clarify if the answers I put are correct.
Katena32 [7]

Answer:

I believe that is correct. You're smart. :) stay safe!

8 0
4 years ago
Most non-vascular plants are found close to water sources. Which of the following is not a reason why non-vascular plants need t
alexandr1967 [171]
They don't need to be near water for reproductive purposes!
5 0
4 years ago
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