Water moisture in the air
<u>Answer</u>: Aerial roots allow the orchid to attach itself to trees.
<u>Explanation</u>:
- The roots of the plant that grow above the ground are known as aerial roots.
- These aerial roots are found in orchids to attach to the tree.
- The plant may or may not retain its terrestrial root.
- Examples of the orchids with aerial roots are climbing orchids and epiphytic orchids.
- These roots help the plant to firmly stay on the branches of the trees and compete with others for sunlight .
Answer:
When seen on a Wright-stained peripheral blood film, a young red cell that has just extruded (lost its) nucleus is referred to as a polychromatophilic cell.
Explanation:
On Wright-stained smears, slightly immature red cells that do not have nuclei (reticulocyte stage) look blue-gray because they still have some ribonucleic acid in them (RNA). These cells are commonly referred to as polychromatophilic cells. Most of the time, polychromatophilic cells are bigger than mature red cells, and their blue-gray color makes them different from macrocytes. Polychromatophilic red cells also tend to lack the central pallor.
When the remaining mRNA and ribosomes are stained with supravital dyes, they make the red cells look like a "reticular" mesh network. This is how the name "reticulocyte" came about. It is to be noted that not all reticulocytes show up as polychromatophils when stained with Wright-Giemsa.
Learn more about peripheral blood smear here:
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Answer:
Option A
Explanation:
Chloroplasts are always located in the cytoplasm of the cell.
Answer:
The correct statements are that the first calorimeter is reliable but not valid, and the second calorimeter is valid and reliable.
Explanation:
The first calorimeter is reliable as the reading demonstrated by it is similar when each time the experiment is performed, however, the result attained is not correct, though it is reliable. On the other hand, the second calorimeter is both reliable and valid, as it is demonstrating the accurate results from time to time. This is valid as it is providing a similar result as that of the original readings.
