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stiks02 [169]
3 years ago
9

What is an atomic nucleus​

Biology
2 answers:
Airida [17]3 years ago
3 0

Answer:

The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom

Explanation:

Andru [333]3 years ago
3 0

Answer:

A atomic nucleus is a a region of protons and neutrons in the middle of an atom.

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Describe how adh secretion maintains plasma osmolarity levels during dehydration and water loading
lapo4ka [179]

Antidiuretic hormone (ADH) acts on the vascular system and the urinary system to regulate solute-water content in the body. During dehydration, secreted by the posterior pituitary gland, the hormone promotes reabsorption of water from urine in the renal tubules hence decreasing plasma osmolarity.





4 0
3 years ago
A substance that can be dissolved is a
Drupady [299]
The answer is it’s a Solvent
6 0
3 years ago
As energy is transferred through
vfiekz [6]

As energy is transferred through  an ecosystem, not all trophic  levels receive the same amount.  The marine ecosystem consists of primary producers like phytoplanktons; primary consumers like zooplanktons, krill; secondary consumers like leopard seals; and tertiary consumers like killer whales.

Explanation:

In an oceanic or marine ecosystem,  the leopard seals are secondary consumers. They basically feed on the primary consumers. They are eaten up by the tertiary consumers. The prey animals of leopard seal includes primary consumers like small fishes, zooplanktons, coral polyps, krill etc. The energy level in the food web increases in a top to down pattern. The producers which occupy the base level will be with high energy and going up the food web, the energy will decrease subsequently. Leopard seals are huge and eat

8 0
3 years ago
Which phase of the bacterial growth curve is defined by zero net growth due to a lack of nutrients and excessive waste products
uysha [10]

<u> Bacterial growth curve-</u>

The phase in the bacterial growth curve which is defined by  zero net growth due to a lack of nutrients and excessive waste products being present is the death phase of the growth curve.

<u>Phases of the bacterial growth curve-</u>

The bacterial growth curve is a curve that depicts the number of viable live cells in a bacterial culture over a span of time. This growth curve has four very distinct phases, which are- lag phase, log phase, stationary phase, death phase.

  • Lag phase- The first phase which is the period of metabolic growth rather than division of cells.
  • Log phase- The second phase where the cells are dividing and increasing in numbers.
  • Stationary phase- The third phase where the bacterial cells reach a stagnant period and stop dividing due to the lack of nutrients.
  • Death phase- The last phase where there is no metabolic growth or cellular division. The culture is filled with metabolic wastes from the lysis of cells.

Learn more about the growth curve here-

brainly.com/question/14788016

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4 0
2 years ago
Other than phosphocreatine breakdown, the fastest way to resupply atp to a muscle is:_______
lesya [120]

Other than phosphocreatine breakdown, the fastest way to resupply atp to a muscle is:_______

anaerobic glycolysis.

What is phosphocreatine breakdown?

Adenosine triphosphate, sometimes known as ATP, is used by the body's muscles to drive contractions. One molecule of ATP is digested into ADP, adenosine diphosphate, and an inorganic phosphate when it is used in the contraction process.

The requirement to regenerate ATP is critical because the muscles' finite supply of ATP is consumed during muscle activity very quickly. The molecule creatine phosphate is one method by which this ATP supply is renewed (or phosphocreatine).

Creatine phosphate converts a high-energy phosphate to ADP during the ATP regeneration process. ATP and creatine are the reactions byproducts. Intake of meat and internal manufacture by the liver and kidneys are the two main ways to get creatine phosphate.

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7 0
2 years ago
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