You see, passive transport needs no energy. So that being said, it moves from areas with high concentration to areas with low concentration.
Hope that helps!
Yes. True vertebrates have a true head that develops from a neural crest of cells and hard structures surrounding the notochord.
The neural crest, which forms early in the development process in vertebrate embryos, is a fold on the neural plate where the neural and epidermal ectoderms converge. As an embryo grows, the neural crest produces neural crest cells (NCCs), which can differentiate into a variety of different cell types and contribute to tissues and organs.
The notochord is a temporary structure that plays a crucial role in higher animals. It secretes substances that communicate with all neighbouring tissues, telling them where they are and what will happen to them.
Therefore, True vertebrates have a true head that develops from a neural crest of cells and hard structures surrounding the notochord.
Learn more about notochord here:
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Answer:
Liquid equivalent to "cytoplasm" and the particles equivalent to "organelles".
Explanation:
While comparing a liquid salad dressing to a cell, the liquid will be equivalent to "cytoplasm" because cytoplasm is a thick solution present in each cell that made up of water, salts, and proteins.
The particles would be equivalent to "organelles" because as particles float in liquid salad adding flavours to the salad likewise organelles are present in a cell floating in the cytoplasm that performs a specific function.
Hence, the correct answer is " liquid will be equivalent to "cytoplasm" and the particles will be equal to "organelles".
Answer:
b. Nuclear energy is contained in nuclear bonds.
Explanation:
Nuclear energy is contained in nuclear bonds which is released when these bonds are broken. Nuclear energy is more efficient than other forms of energy because it produces more energy as compared to other sources of energy production. There are some special type of contained in which certain materials are used to control the flow of nuclear energy and also to contained it.
