Answer:
Due to their hole size.
Explanation:
Some molecules can pass directly through the phospholipid bilayer because of their small size which can easily pass through the small holes of phospholipid bilayer, while those that are too large or too charged need to pass through a membrane protein because membrane protein has a large holes through which large molecules can easily pass through the semi-permeable membrane of the cell by active or passive transport.
Answer:
Some major functions of skeleton are below
Explanation:
Support and shape
bones support soft tissues and serve as attachment site for most muscles and provide shape to the body
Protection
Bones protect critical internal organs, such as brain, spinal cord, heart and lungs.
Movement
skeletal muscles attached with the bones help in moving the body
Mineral homeostasis
Bones serve as store for calcium phosphorus potassium sodium. Through negative feed back mechanisms bones can release and take up minerals to maintain homeostasis
Blood cell production
red and white blood cells are produced in bone marrow, a connective tissue found within bones
Answer:
An updated list of species facing unusually high risk of extinction.
Explanation:
The IUCN red list of threatened species also called as red data list. It is defined as the most comprehensive global conversation status of both animals and plants species.
The IUCN is a criteria to identify the extinction risk of lots of biological subspecies, and species. These criteria are relevant to all regions of the word, and all the biological species.
Answer: disconformities
Explanation: disconformities are usually erosional contacts that are parallel to the bedding planes of the upper and lower units. I hope this helps
