Pectoralis minor is the muscle which limits scapular upward rotation, posterior tilting, and external rotation when under excessive passive tension.
<h3>What is Pectoralis minor?</h3>
This muscle is found below Pectoralis major and originates from the middle ribs to the scapula.
When under pressure this muscle limits the various types of movements which are mentioned above.
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The correct answer is option (d) They allow the exchange of gases between cells in the leaf and the external environment.
Stomata are the tiny openings present in the epidermis (outer layer of cells) of the leaf. They have a pore which is guarded by the guard cells which controls the opening and closing of the stomata. Air enters and exits through the stomata.
The main funtion of stomata is to facilitate the gaseous exchange. The gas exchange that occurs when the stomata are open helps in the process of photosynthesis. During photosynthesis, carbon dioxide is taken in from the atmosphere and oxygen is released as a by-product of photosynthesis. The glucose produced is converted into the starch and stored in the leaves.
Also, water vapour diffuses through the stomata into the atmosphere by a process called the transpiration.
Thus, stomata are the structures that are mainly involved in the gaseous exchange between the cells of the leaf and the atmosphere.
Answer:
<em>The correct option is D) cytokinesis</em>
Explanation:
Mitosis can be described as a process in a cell replicates to form two identical copies of itself.
Cytokinesis can be described as the last stage of cell division for both prokaryotes and eukaryotes. During this stage, the cytoplasm eventually divides and the cell splits into two with equal portions of cytoplasm in each side. Although the mechanism of cytokinesis is different for both plants and animals yet it is the final stage for both the cell type in which the cytoplasm splits.
Answer:
Chloroplasts are the site of photosynthesis in the cell and it also consists of a double membrane. it relates to the solar panels of an amusement park because both things take energy from the sun and use it to provide energy for their systems.
