Most adult placental mammals have no remaining trace of the cloaca. Being placental animals, humans only have an embryonic cloaca, which is split up into separate tracts during the development of the urinary and reproductive organs.
The following statements are true about the modification of chromatin structures in the eukaryotes:
1. Melthylation of histone tails in chromatin can promote condensation of the chromatin.
2. DNA is not transcribed when chromatin is package tightly in a condensed form.
3. Acetylation of histone tails in chromatin allows access to DNA for transcription.
4. Some form of chromatin modifications can be passed on to future generation of cells.
5. Acetylation of histone tails is a reversible process.
To treat second or third degree burns with open blisters, wrap with loose and dry dressing. The dressing should be changed regularly using dry removal method. Liquid procedure or material should not be used on the wound.
Answer:
Black
Explanation:
The dominant genotype (black BB) is always dominant over the recessive (yellow ee).
