The smooth endoplasmic reticulum manufactures lipids and carbohydrates.
The Rough endoplasmic reticulum assists in the synthesis of proteins and send them to the Golgi bodies.
What is the endoplasmic reticulum?
The endoplasmic reticulum (ER) is a continuous membrane structure that divides into flattened sacs in the cytoplasm of eukaryotic cells. It has a variety of roles but is notably crucial for protein synthesis, folding, modification, and transport.
- Rough endoplasmic reticulum: Its name comes from the rough texture of its outer (cytoplasmic) surface, which is caused by the presence of ribosomes there. Rough ER is located next to the cell nucleus, and the nuclear envelope's outer membrane is continuous with its membrane.
- Smooth endoplasmic reticulum: It is distinct from ribosomes and has a different set of functions. The synthesis of lipids, including as cholesterol and phospholipids, which are needed to create new cellular membranes, is carried out by the smooth ER. Smooth ER is crucial for the synthesis of steroid hormones from cholesterol in certain cell types.
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Answer:
1. B. Medulla oblongata contains cardiac, respiratory, vasomotor and reflex centers.
2. A. Hypothalamus is the major regulator of ANS
3. D. Occipital lobe is the location of visual cortex.
4. F. Sensory areas are primary site responsible for perceiving cutaneous sensory sensations and proprioception.
5. E.Motor areas directs conscious motor movement
6. C. Cerebellum - coordinates movement by comparing intended movement with actual movement.
7. K. Corpus callosum allows communication between right & left cerebral hemispheres.
8. J. Frontal Lobe - Cognition, personality.
9. A. Hypothalamus - Contains hunger, thirst and thermoregulatory centers.
Answer:
D. Complex I, Ubiquinone, Complex III, Cytochrome C, Complex IV, Oxygen.
Explanation:
A cladogram is an image or a diagram that shows us an evolutionary relationship between different organisms. Up at the top we find the different organisms and their names. Along the side is where we find their characteristics. Anything that is past each characteristic will have that characteristic as you move up the cladogram. This diagram also shows which organisms are most closely related to one another.
Please see the image for an example. In this example we can see that the Koalas evolved after the trout.
I hope this helps, Regards.
Answer:
Few crosses
The complexity of cat genetics
Crosses not controlled by the researcher
Explanation:
The purpose of this question is to determine why Megor Grendel is less famous than that of Gregor Mendel.
Gregor Mendel examined pea plants, which have a number of benefits for deducing genetic rules, including:
- The researcher has total control over the crosses.
- Because the peas have both self and cross-fertilization, it is possible to alter the crosses in the simplest way possible.
- Pea plants may be examined for a greater series of generations than cats or other animals.
- Because plant genetics is not overly complicated, several traits may be investigated at the same period.
As a result, the primary factors why Megor Grendel's experiments are not well-known:
- The presence of only a few crossings: It is impossible to establish a genetic theory with such a small number of crossings on the test subject of the organism.
- Cat genetics is too complicated therefore, the fur gene color on the X-chromosome, a characteristics mosaic inheritance. As a result, It is much too complicated to deduce an inheritance pattern.
- Crossings that the researcher cannot fully control. Unlike plants, crosses in animals cannot be totally controlled by the researcher.
As a result, it is impossible to draw any conclusions from them.
