The short answer is: The scientist means that a dose of 20 mg per kilogram is enough to kill one half or fity percent of the animals used in the test. LD stands for leathal doseage. The 50 means 50 percent. Subsequently a dose of 20 mg per killogram has a lethal dose that will kill 50% of the test subjects.
Answer:
c. neutrophils
Explanation:
The main characteristics of neutrophils that made them different from other white blood cells is the multi-loped structure of nucleus in neutrophils.
Also neutrophils are different from other white blood cells as they are professional phagocytes and they respond by phagocytosis of microbes during the immune response.
Answer:
New DNA elongation at replication form is catalyzed by DNA polymerase; as nucleotides align with complementary bases along template strand, they are added by polymerase to growing end of new DNA strand
Explanation:
