The parts of the amniotic reptile egg include the amniotic fluid, the albumen, and the shell.
<h3>Parts of an amniotic reptile's egg</h3>
The various parts of amniotic reptile's eggs include:
- The external shell which serves as a protective layer
- The yolk which supplies energy to the embryo
- The albumen supplies the embryo with water and proteins
- The extra-embryonic membranes - the chorion, the allantois, and the amnion.
The chorion serves as a channel for gaseous exchange between the embryo and the environment.
The allantois partially functions as waste manager and in respiration. It stores nitrogenous wastes and gets rid of them as well as participates in gaseous exchange along with the chorion.
The amnion protects the embryo against mechanical shocks. It also protects the developing embryo from being dehydrated.
In other words, the 3 extra-embryonic membranes protect, facilitate gaseous exchange, and ensure that wastes are properly disposed of.
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FULL ANSWER
DNA is found within chromosomes. When a cell divides, or replicates, the DNA is copied. RNA comes into the picture when it is time to copy the DNA and send it to the cytoplasm of a cell, where protein synthesis takes place. DNA can't copy itself without RNA present and several types of RNA are used to copy and transmit genetic information. A good example of how DNA and RNA work together is a newborn baby's development. Without the relationship between RNA and DNA, a single sperm and egg couldn't produce a baby which has five trillion cells, each of which carries the same DNA.
Answer:
They are all Eukaryotes, with nucleus, and chromosomes. They also have membrane which demarcate part of the cytosol. In addition they lac cell wall.
Explanation:
Answer:
a fertilized egg- zygote
separation of two ends of an old cell- cytokinesis
union of egg and sperm- fertilization
egg-producing organ in lower plants- archegonium
