Hello. You forgot to enter the answer options. The answer options are in the figure attached below:
Answer:
the option D is the right answer.
Explanation:
Option D shows a pathway where activation of the receptor would lead to an increase in gene expression. This is because in this option we can see that the transcription regulator is decreasing gene expression, but there is a receptor that is activated and that has the ability to inhibit the pathway, allowing the selected gene to be expressed efficiently. This is because the pathway shows two inhibitory steps, when this happens an activation is performed.
Answer:
chromosomes are checked for errors
Explanation:
Answer:
The correct option is C) cytosolic, endoplasmic reticulum
<em>New membrane phospholipids are synthesized by enzymes bound to the cytosolic side of the endoplasmic reticulum membrane. </em>
Explanation:
Synthesis of proteins that are destined to membrane or exportation starts in the cytoplasm with the production of a molecule portion known as a signal aminoacidic sequence. This signal sequence is located in the amino extreme of the synthesizing protein, and when it reaches a certain length, it meets the signal recognizing particle. This particle joins the signal sequence of the protein and leads the synthesizing protein and associated ribosome to a specific region in the Rough endoplasmic reticulum where it continues the protein building. When they reach the membrane of the endoplasmic reticulum, the signal recognizing particle links to a receptor associated with a pore. Meanwhile, the ribosome keeps synthesizing the protein, and the enlarged polypeptide chain goes forward the reticulum lumen through the pore. While this is happening, another enzyme cuts the signal sequence, an action that requires energy from the ATP hydrolysis. When the new protein synthesis is complete, the polypeptide is released into the reticulum lumen. Here it also happens the protein folding (which is possible by the formation of disulfide bridges of proteins are formed) and the initial stages of glycosylation (the oligosaccharide addition). The newly synthesized proteins get packaged into vesicles that take them to the Golgi apparatus.
In the Golgi complex, proteins suffer their final association with carbohydrates and lipids to originate glycoproteins and glycolipids. Once these processes are done, the glycoproteins and glycolipids are packaged again into new vesicles that drive them to their final destiny.
Answer:
182,500 units.
Explanation:
<em>The answer would be </em><em>182,500 units of mercury.</em>
<u>Assuming there is an average of 365 days in a years, 10 years is therefore equal to:</u>
10 x 365 = 3650 days.
<u>The stingray eats 50 clams per day. Hence, the total number of clams that would have been eaten in 10 years equals:</u>
3650 x 50 = 182,500 clams
<u>Each clam accumulated 1 unit of mercury in its body from the water it lives in and there is no loss of mercury between the clam and the stingray. Hence, the total number of units of mercury the stingray would have accumulated in 10 years equals:</u>
182,500 clams x 1 unit = 182,500 units of mercury.
Biomagnification is the term used to show the increasing concentrations of a substance as one moves up the food chain.
