In the acid-fast or Ziehl-Neelsen stain, following the referred washing, the slide should be covered in 1%-3% acid alcohol to decolourise until the smear turns into light pink. After that, wash well with clean water to stop the decolourisation.
Answer:
Gymnosperms: naked seeds, they usually have no flowers or fruits, and Gymnosperms are sometimes configured as cones.
Angiosperms: there seeds are enclosed inside an ovary usually a fruit, they have few cells unlike a Gymnosperm, and have no flagella deposited at egg.
Answer;
C. 100 - 125 mg/dL
A person with prediabetes has a fasting blood glucose level of 100-125 mg/dL.
Explanation;
-A fasting blood sugar level below 100 milligrams per deciliter (mg/dL) — 5.6 millimoles per liter (mmol/L) — is considered normal.
-A fasting blood sugar level from 100 to 125 mg/dL (5.6 to 7.0 mmol/L) is considered prediabetes. This result is sometimes called impaired fasting glucose. A fasting blood sugar level of 126 mg/dL (7.0 mmol/L) or higher indicates type 2 diabetes.
1. proteins
2. essential
3. nonessential
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