The statements that correctly describe gestation are: the normal period of gestation is about 40 weeks; the stages of this process include: zygote, blastocyst, embryo, and fetus; and changes to the form of the embryo come from differentiation and growth.
The gestation period in humans lasts about 40 weeks and comprises different stages and processes from conception until birth. The main stages of this process include:
- Zygote: Fertilized ovum.
- Blastocyst: Cluster of cells that is the result of the zygote going through cell division.
- Embryo: Unborn human that is still developing, usually before the 8th week of gestation.
- Fetus: Unborn human in development after the 8th week of gestation.
Moreover, this process implies differentiation as cells specialize for specific functions, for example, muscle cells or nerve cells, and growth as the number of cells increases and therefore the embryo or fetus increases in size.
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Answer and Explanation:
The regular synthetic denaturant of proteins is urea. The high grouping of urea causes unfolding of protein and accordingly brings about loss of capacity of protein. The urea communicates with the protein and counteracts collapsing of protein.
During oxidation, the disufide bonds that are required for legitimate working and adjustment of protein are shaped, while in nearness of urea, the disulfide bonds are not situated effectively. The protein oxidation brings about covalent adjustment of protein that outcomes in change of physical and substance properties of protein.
The difference in physical and chemical properties of protein after oxidation and in nearness of urea can't be altered even after expulsion of urea. Along these lines, protein doesn't crease appropriately.
The plane(s) of the section that would allow me examine the internal anatomy of both lungs at the same time are as follows;
- Sagittal
- Coronal
- Transverse
<h3>What are body planes?</h3>
Body planes are imaginary geometric planes that are used to divide the body into pieces. They are used to analyze interior organs and systems during anatomical procedures.
We have the following body plane types:
- Any vertical plane that separates the body into anterior and posterior halves is referred to as a coronal plane.
- Any plane that separates the body into superior and inferior halves and is nearly perpendicular to the spine is referred to as a transverse plane.
- Any imaginary plane parallel to the median plane is referred to as the sagittal plane.
Based on the three types of plane sections we have, the plane(s) of the section that would allow me examine the internal anatomy of both lungs at the same time are as follows;
- Sagittal
- Coronal
- Transverse
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Answer:
C. Only bacteria can reproduce outside a host.
Answer:
The environment usually refers to all the biotic and the abiotic components that are surrounding us. This environment undergoes changes depending upon various factors which can be natural and/or due to the anthropogenic activities.
When there occur rapid environmental changes, then it directly affects the lives of species, in different ways, such as-
- Those species that are comparatively weaker in adapting according to the environmental changes that occur, will not be able to cope up with the new environment. They may become extinct.
- Some variety of species will be able to adapt to the new environment because of their easily adapting capabilities.
- The traits that will be developed within the species in the new environment will be more successful in terms of reproduction.
- The previously existed traits may have a harmful impact in the newly formed environment.
