Which of the following events is believed to have occurred first?
a. endosymbiotic origin of mitochondria
b. origin of cyclic pathway of photosynthesis
c. endosymbiotic origin of chloroplasts
d. origin of noncyclic pathway of photosynthesis
b
Biology & Microbiology
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Which of the following is/are the most common cause of pharyngitis?
A) Escherichia coli B) Staphylococcus aureus C) Streptococcus pyogenes D) viruses
Biology & Microbiology
The vagina meets the uterus at the ________
Fill in the blank(s) with correct word
Biology & Microbiology
The primary difference between meiosis and mitosis is the
What will be an ideal response?
Biology & Microbiology
Facial abnormalities such as a small mouth, smooth philtrum, and micrognathia may indicate further defects in which other organ?
A. Gonads B. Heart C. Liver D. Lungs E. Spleen
Biology & Microbiology