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creativ13 [48]
3 years ago
15

What is the difference between a trait and a variation

Biology
1 answer:
MrRissso [65]3 years ago
8 0

Species have similar characteristics, but they are rarely, if not never, identical; the difference between them is variation!

Hope this helps! :)

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. What is the ratio of C, H, and 0 atoms in carbohydrates? O1:2:1 O1:6:1 O1:3:T O2:3:2​
11111nata11111 [884]
O1:2:1 because they are carbon, hydrogen and oxygen
3 0
3 years ago
8. Morgan used_____crosses to study a new pattern of inheritance.​
neonofarm [45]

Pretty sure he used female gametes

4 0
3 years ago
PLSS HELP
densk [106]

Explanation:

Primary succession, type of ecological succession (the evolution of a biological community’s ecological structure) in which plants and animals first colonize a barren, lifeless habitat. Species that arrive first in the newly created environment are called pioneer species, and through their interactions they build a simple initial biological community. This community becomes more complex as new species arrive. Primary succession is distinguished from secondary succession, which is the recovery of an existing biological community after a disturbance sets back the community’s ecological structure to an earlier stage.

6 0
3 years ago
_______ is the main sense that provides the information to the brain so the brain can employ critical–thinking, decision-making,
iren2701 [21]

Answer:

Information processing.

Explanation:

Brain is one of the most important organ of the body that maintains the coordination and control with the other system of body. The information processing occurs in the brain.

Information processing allows the brain to interpret the information so brain can employ the problem solving skill, critical thinking and decision making. This information processing also reduces the risk driving practice in highway transportation system.

Thus, the answer is information processing.

7 0
3 years ago
What specific part of the cell/structure allows the mucus secretions to be thick and viscous rather than fluid (i.e., is it a me
Ksenya-84 [330]

Answer:

The CFTR behaves like a channel for chlorine. Its dysfunction affects both the transport of this ion and other ions and the transport of water, which causes a thickening of secretions, an alteration of mucociliary transport and local defenses, facilitating bacterial colonization and promoting the release of pro-inflammatory mediators in the airway

Explanation:

CFTR is a protein expressed in the epithelial cells of the respiratory system, pancreas, bile ducts, sweat glands and genitourinary system. It is made up of a single chain made up of 1,480 amino acids. It contains 12 hydrophobic regions embedded in the lipid membrane and acts as a channel for chlorine.The highest levels of expression of the CFTR protein are found in serous cells of the submucosal glands of the proximal airway. In them, Cl- is released to the outside. In addition, there are channels for Na +, through which this ion is also secreted in the same direction. These movements cause the displacement of water and also of mucins, originating in the submucosal glands, allowing their presence on the surface of the airway. For all this to occur normally, a basolateral Na + - K + - ATPase cotransporter must function, another basolateral cotransporter formed by Na +, K + and 2 Cl-, which allows the latter to enter the cell, and an apical CFTR channel through which it exits the Cl- of the cell towards the acinar lumen. Na + leaves the cell following Cl- by a paracellular pathway accompanied by water. When CFTR malfunctions, Cl- does not exit through this channel and this implies a decrease in Na + and water in the canalicular lumen, with the consequent thickening of secretions.

8 0
3 years ago
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