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Vitek1552 [10]
3 years ago
10

What cell structures are sometimes found attached to the endoplasmic reticulum

Biology
2 answers:
algol133 years ago
7 0
The answer would be Cytoplasm.
Temka [501]3 years ago
5 0

Ribosome.

Function to synthesis proteins

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Two rodent populations become separated when a large canyon develops in a previously unbroken forest. When is allopatric speciat
krek1111 [17]

Answer:

Allopatric speciation occurs due to the geographical isolation between individuals of the same species. The geographical isolation can be due to canyon development, mountain formation, migration, etc.  

The geographical isolation gives different environmental condition to the separated population of same species to live which allow these two population to evolve differently and evolve in different species.

So when two population becomes different species and not able to interbreed with each other when give opportunity then the allopatric speciation between the two populations becomes complete.

3 0
3 years ago
DUE TUESDAY WILL MARK BRAINLIEST-breathing is required for cellular respiration. use the reactants, products and stages of cellu
vova2212 [387]

Explanation:

Breathing, is necessary as it repleneshes oxygen in cells; it also expels CO2 and water vapor, which are waste products from cellular respiration.

Further Explanation:

In all eukaryotic cells mitochondria are small cellular organelles bound by membranes, these make most of the chemical energy required for powering the biochemical reactions within the cell. This chemical energy is stored within the molecule ATP which is produced. Respiration in the mitochondria utilizes oxygen for the production of ATP in the Krebs’ or Citric acid cycle via the oxidization of pyruvate (through the process of glycolysis in the cytoplasm).

overall: C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≈38 ATP

Oxidative phosphorylation describes a process in which the NADH and FADH2 made in previous steps of respiration process give up electrons in the electron transport chain these are converted it to their previous forms, NADH+ and FAD. Electrons continue to move down the chain the energy they release is used in pumping protons out of the matrix of the mitochondria.

This forms a gradient where there is a differential in the number of protons on either side of the membrane the protons flow or re-enter the matrix through the enzyme ATP synthase, which makes the energy storage molecules of ATP from the reduction of ADP.  At the end of the electron transport, three molecules of oxygen accept electrons and protons to form molecules of water. For a breakdown of each:

  • Glycolysis: occurs in the cytoplasm 2 molecules of ATP are used to cleave glucose into 2 pyruvates,  4 ATP and 2 electron carrying NADH molecules.
  • The Kreb's cycle: in the mitochondrial matrix- 6 molecules of CO2 are produced by combining oxygen and the carbon within pyruvate,  2 ATP oxygen molecules, 8 NADH and 2 FADH2.
  • The electron transport chain, ETC: in the inner mitochondrial membrane, 34 ATP, electrons combine with H+ split from 10 NADH, 4 FADH2,  renewing the number of electron acceptors and 3 oxygen; this forms 6 H2O, 10 NAD+, 4 FAD.

Learn more about cellular life at brainly.com/question/11259903

Learn more about cellular respiration at brainly.com/question/11203046

#LearnWithBrainly

7 0
3 years ago
Which statements summarize absolute and relative age?
loris [4]

Answer: Relative age involves a comparison.

"I am 35 years old" is a statement of absolute age. Rocks can be dated using both absolute age and relative age. Geologists use both absolute dating and relative dating

Explanation: Did it on edge hope this helps. Have a good day! :)

6 0
2 years ago
How does recycling runoff reduce agricultural pollution?
vovangra [49]

Answer

D. It keeps chemicals from entering the watershed

Explanation

Agricultural run off can be described as the disposal of artificial fertilizers , pesticides, herbicides, sewages etc into which drained off into oceans , lakes and ponds with water .

Agricultural run off is recycled , then water will be less polluted , the water therefore be not harmful for usage by the plants/crops & it will make the drained water less contaminated for the Aquatic living in the ocean , rivers , lakes or ponds

5 0
3 years ago
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