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More Biology Questions
Which of the following pollutants is known to hamper haemoglobin formation?
Consider the following statements regarding the pachytene substage of prophase I during meiosis and choose the correct answer: 1. Pachytene is said to begin when synapsis is completed 2. During pachytene the chromosomes are associated in bivalents or tetrads 3. Shortening and thickening of the chromosomes takes place due to longitudinal contraction 4. Exchange of groups of genes takes place as a result of crossing over
Which of the following is formed between adjacent cell walls during cell division?
Flagella originate from_______________?
In human the thickest skin is present in