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Svet_ta [14]
3 years ago
8

Which descpition apply to eukaryotic cells

Biology
1 answer:
Vladimir79 [104]3 years ago
3 0
A eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes. However, unlike prokaryotic cells, eukaryotic cells have a membrane-bound nucleus.

*Got this info from the internet*
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Mendel crossed tall pea plants with short pea plants. The offspring were all tall plants.
tigry1 [53]

Answer:

The short is recessive and the tall is dominant

Explanation:

The Punnett Square would look like this (T - tall, t - short):

<u>   |  T |  T  |</u>

<u> t | Tt | Tt |</u>

<u> t | Tt | Tt |</u>

<u />

All offspring carry the short gene, but the tall gene is dominant, so the plants are tall with the possibility of having short offspring of their own.

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What enzyme corrects errors during replication?
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<span>DNA Polymerase proof reads and corrects the bases that are added. </span>
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Read the following passage and construct a flow chart by matching the following events with their proper sequence. Physical exer
blsea [12.9K]

Answer:

Person starts to exercise.

Skeletal muscle oxygen demand increase  

Skeletal muscle metabolism increases

.Blood delivery to the skeletal muscle increases is order to provide more oxygen  

Oxygen sensors cause local blood cell vessels to dilate

.

This steps briefly describe the physiology of exercise.

At the onset of exercise,  skeletal muscles cells were sustained with  available oxygen from the Myoglobin. Myoglobin is  oxygen binding and storage  protein found in cardiac and skeletal muscles cells.  it has high storing capacity for oxygen.

However as the exercise becomes intense ATPs supply drops, oxygen  demand increases,cellular metabolisms demand also increase to supply glucose and ATP to the cells.

The liver mediates Gluconeogenesis.  Fatty acid is broken down to glucose for cellular respiration  with' ketone bodies  build up..Exercise also stimulates the breakdown of muscle glycogen to glucose,  Therefore, cellular respiration takes place to break down the glucose to  C02, H20  and energy with rise in temperature.

However, oxygen concentration is  low, therefore muscles cells undergo anaerobic respiration with lactic acid pathway. Lactic  acid  build up in muscles cells.The muscles cells under go oxygen debt to break down  lactic acid  to glucose in muscle.

Therefore to adjust the mechanism oxygen homeostatic sensors increases hyperventilation to increase  oxygen intake through the lungs, and vasodilation. so that maximum volume of blood containing oxygen is transported to muscles cells; to sustain the intense activity

 

 

Explanation:

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3 years ago
The borders of plates never change.
ivann1987 [24]

Answer:

This statement is false. Borders of plates do change when they shift and the shifting of plates is inevitable.

Explanation:

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