Answer:
cartilage: firm, whitish, flexible connective tissue found in various forms in the larynx and respiratory tract, in structures such as the external ear, and in the articulating surfaces of joints. It is more widespread in the infant skeleton, being replaced by bone during growth.
nucleoplasm:the substance of a cell nucleus, especially that not forming part of a nucleolus.
Explanation:
Most of the exchange surfaces of multicellular animals are lined with epithelial tissue.
Epithelial tissue is one of the four major body tissues found in organs, lining the internal and external surfaces of the body.
It has different structures and functions depending on where it is located on the body.
The epithelium is a type of body tissue that covers all the internal and external surfaces of the body, lines body cavities and hollow organs.
Epithelial tissue has various functions, such as protection, secretion, and absorption, depending on where it is located in the body. The body organs are made up of four basic types of tissue, including:
- Epithelial tissue
- Connective tissue
- Muscular tissue
- Nervous tissue
All substances entering or leaving an organ must first pass through the epithelium.
There are various types of epithelial tissue throughout the body. Some examples of epithelial tissues are:
- The outer layer of skin (epidermis).
- Intestinal mucosa.
- Airway lining.
- Inner wall of abdominal cavity.
- Sweat glands
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Sedimentary rocks this is when a whole bunch of sand dead plants and other things in the water get pushed toghter
its a gene that you either receive from your mother or father.
Answer:
By forming chromatin and in the condensed form of chromosomes
Explanation:
The human genome contains around 3 billion base pairs which are located in the nucleus of all cells. In order to accomodate such large genomic information, DNA is maximally supercoiled during mitosis and meiosis processes to form condensed structures called chromosomes. Humans have 23 pairs of chromosomes per somatic cell. The supercoiling process is assisted by a family of proteins called histones, which interact with DNA and regulate its conformation. The complex between DNA and histones within the nucleus is called chromatin. When chromatin is supercoiled it form chromosomes (in eukaryotic cells).
