Answer the following statements true (T) or false (F)

1. Adult stem cells are always unipotent.
2. A cell's fate is determined while the cell is differentiating.
3. The molecular structure of invertebrate homeotic genes differs significantly from that of mammals.
4. The bicoid gene is a homeotic gene that encodes a transcription factor.


1. FALSE
2. FALSE
3. FALSE
4. FALSE

Biology & Microbiology

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Which of the following organism is not a consumer?

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An ALDH2 allele results in slow alcohol metabolism, leading to an accumulation of acetaldehyde. Therefore, individuals with this allele tend to _____

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Sieve tube elements are components of the ____

a. ground tissue

b. phloem c. dermal tissue d. meristem e. xylem

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How does the fossil record support the theory of evolution?

What will be an ideal response?

Biology & Microbiology