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ivolga24 [154]
3 years ago
13

Which parts of the worm are included in the excretory system?

Biology
1 answer:
Art [367]3 years ago
5 0
Hello friends...

Excretory system consists of nephridia as excretory organ which is analogous to kidney.

Hope this helps you...
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Which statement best describes the role of the cell membrane?
aalyn [17]
A. It encloses the cytoplasm
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2 years ago
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The cytoplasmic extensions that, together with the cell body, provide the main receptive surfaces for neurons are the:
BartSMP [9]
I’m pretty sure it’s dendrites
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4 0
3 years ago
What would be the outcome of crossing two strains of wingless flies that belong to the same complementation group?
STALIN [3.7K]

Answer:

Wingless offspring

Explanation:

Complementation is the terminology used for finding difference in the mutation of same or different gene.  

Two groups with same complementation have failed to complement each other.  

Thus, two wingless flies will have the same genotype i.e “ww”

When two wingless flies are crossed following offspring are produced  

ww * ww  

ww, ww, ww, ww

All the offspring are wingless too

8 0
3 years ago
Which describes the process of fermentation?
xxMikexx [17]

Explanation:

<u>anaerobic process that restores NAD+ supply </u>

<u></u>

Within cells, aerobic respiration may not occur due to several factors:

  • - a lack of inorganic, final electron acceptors
  • -incomplete or lack of a complete electron transport system
  • -missing genes for enzymes within the Kreb's cycle

Thus, they utilize other means for the generation of energy in the form of ATP and to replenish NAD+ an oxidized form of NADH, the main electron carrier in glycolysis. Pyruvate is produced in the cytoplasm via glycolysis- it is also used as an electron acceptor in a process called fermentation.

Further Explanation:

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

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).

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...

  • 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. (2 ATP are utilized for a net ATP of 2)
  • The Citric acid or 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  

6 0
3 years ago
Which set of pairings correctly matches the process with its conditions?
ikadub [295]
Cellular respiration : aerobic :: fermentation : anaerobic 
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3 years ago
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