An experiment or survey must be controlled in order to receive accurate results.
In an experimental group, the independent variable is changed. But in the control group, the independent variable stays the same.
<span>a. replicate DNA at the appropriate time.
Prokaryotes are one celled organism that only reproduce by binary fission. A copy of a copy, of course the DNA is copied as well. DNA is duplicated a succinct period of time when necessary since the energy needed to perform this process is necessarily abundant. </span>
I think they are called Sutural. Intra sutural bones also known as the wormian bones are extra bone pieces that occur within a suture (a joint) in the cranium. They are irregular isolated bones that appears in addition to the usual centers of ossification of the cranium and they are not rare bone despite being unusual.
The question is; would a drug that binds irreversibly to these receptors be an effective contraceptive in mammals?, the answer is;Yes; because if the receptors are blocked the sperms will not be able to penetrate the zonal pellucida of the egg. Contraceptives prevents pregnancy by interfering with the normal process of ovulation, fertilization, and implantation.
Explanation:
A gas is one of the three states of matter on earth and in the universe.
Gases are easily compressible and they can fit into just any container available.
This is because of their fascinating properties.
- The particles of gases are very far apart and are held together by weak attractive forces unlike liquids and solids.
- Gases are always in constant motion and their particles are random.
- They do not have a fixed shape and structure.
- When pressure is applied on them, they are easily compressed and fit into any container they are placed.
Learn more:
Gases brainly.com/question/4592300
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