Explanation:
1. Barr body is a drumstick-like structure of dense, coiled chromatin that appears normally in female's buccal cells and neutrophils. It represents the inactive X-chromosome (Females have two X-chromosomes. Only one is active.)
2. Liver cells are somatic, not sex cells and are thus diploid.
Absorption is major digestive process involves nutrient molecules passing across the mucosal layer of the gastrointestinal tract into the blood or lymph.
<h3>What is nutrient?</h3>
- An organism needs nutrients to survive, develop, and reproduce.
- Animals, plants, fungi, and protists all need to consume certain nutrients.
- For metabolic functions, nutrients can enter cells or be expelled out of cells to form non-cellular structures like hair, scales, feathers, or exoskeletons.
- Some nutrients, such as carbohydrates, lipids, proteins, and fermentation products (ethanol or vinegar), can be metabolically changed into smaller molecules in the process of releasing energy, which results in the end products of water and carbon dioxide.
- All living things need water.
<h3>What is Mucous membrane?</h3>
- A mucous membrane, also known as mucosa, is a type of membrane that lines internal organ surfaces and other spaces in an organism's body.
- It is made up of a layer of loose connective tissue on top of one or more layers of epithelial cells.
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The coleoptiles which tips were removed will be short and straight while coleoptiles which were cut with the tips separated by mica will be short and straight. Ceoptiles which were cut tips and separated by agar they will be tall and straight.
The set of coleoptiles which will be left in the darkness for 24 hours will be tall and bent. While the set which is in the direction of light for 24 hours will be tall and bent.
Observation is that coleoptile will grow straight if the chemical was evenly distributed and curved away from block side as if growing towards the light because dark side has the higher concentration of auxin.
