I confused what is the question?
The layer of atmosphere near the surface of the earth is the troposphere and the other layers are above the earth atmosphere these are mesosphere, and stratosphere.
- The troposphere is suitable for flying of the birds as the temperature is suitable for their survival but layers of the mesosphere and stratosphere have lower temperature than the troposphere.
- Nearly all water vapor and dust particles are present in the tropospheric layer but the quantity reduces in the mesosphere and stratosphere.
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Answer:
b. newborn screening (either assaying for the GALT enzyme or measuring excess galactose in the newborn’s blood).
Explanation:
Neonatal screening is a preventive action that allows the diagnosis of various asymptomatic congenital or infectious diseases in the neonatal period in time to interfere with the course of the disease, thus allowing the institution of specific early treatment and the reduction or elimination of the disease. sequelae associated with each disease.
In the case of Jane and John's neonatal screening, the objective is to verify whether the child inherited (or would inherit) the galactose allele. This would be done by testing the enzyme GALT or by measuring excess galactose in the newborn's blood.
Answer:
b. Proteins
Explanation:
Several transmembrane proteins serve as transport proteins and move charged, polar and large substances such as ions, amino acids, sugars through membranes. These are the carrier proteins and channel proteins. Each type of transport protein transports a specific type of substance. Carrier proteins bind the ion or molecule and undergo changes in shape. This change moves the molecule across the membrane. Channel proteins form pores through the membrane to allow transport of substances.
For example, aquaporins are transmembrane proteins that allow water to pass through membranes.