1) chromosome
C) chemicals in plants or animals that make a natural process happen
2) enzyme
A) all of the genetic material contained in an organism
3) genome
. B) the parts of a cell that contain genes and that dictate how an animal or plant develops
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DNA and Vaccines work by injecting a small dosage of the virus so your immune system already knows how to react.
The fertilized egg enters a 2-week period of cell division. during this period, the fertilized egg is known as an embryo.
Following sexual intercourse, sperms move from the vagina via the cervix and uterus to the fallopian tubes, where only a single sperm fuses with the egg.
The fertilized egg or the zygote divides constantly as it travels down the fallopian tube to the uterus. Initially, the zygote is transformed into a solid ball of cells after which it changes into a hollow ball of cells i.e. a blastocyst.
The blastocyst gets embedded in the wall of the uterus, where it evolves into an embryo connected to a placenta and enclosed by fluid-filled membranes.
To learn more about embryo here
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Answer:
the two or more things that combined together is called compound.
Explanation:
example:
when the element NA and CL combine together form compound NACL.