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Fofino [41]
3 years ago
12

The influence of how a mother’s nutrient intake may change gene expression to increase the infant’s development of obesity or ch

ronic diseases later in life is referred to as ________.
Biology
1 answer:
8_murik_8 [283]3 years ago
3 0

Answer:

The influence that maternal nutrition -the mother's intake of nutrients- has on the fetal gene expression, as well as its development and growth, is referred to as fetal programming, responsible for the predisposition to obesity or chronic diseases during its lifetime.

Explanation:

Both gene expression and fetal growth and development depend on three relevant factors:

  • <em>Proper placental function.</em>
  • <em>Maternal nutrition</em><em>.</em>
  • <em>How the fetus uses maternal nutrients. </em>

The above factors can eventually <u>induce changes in the metabolism of the developing fetus</u>, which manages to adapt, but with consequences on the normal developmental pathway, which can trigger negative metabolic disturbances.

Fetal programming - also referred to as fetal metabolism programming - includes a number of factors that influence postnatal metabolic behavior, including susceptibility to obesity or chronic disease.

Learn more:

Fetal alcohol syndrome brainly.com/question/1083413

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Shell-builders use calcium carbonate molecules (CaCO3) to build their shells. Which of the choices above could be a source for t
Fudgin [204]

Answer:

The question is incomplete, the correct question is;

Shell-builders use calcium carbonate molecules (CaCO3) to build their shells. Which of the following choices could be a source for the carbon atoms in the calcium carbonate (CaCO3) molecules?

respiration by organisms such as plants, animals and microbes

burning coal

calcium ions

car exhaust

wildfires

Answer is all of the above options except calcium ions.

The source for the carbon atoms in the calcium carbonate (CaCO3) molecules include respiration by organisms such as plants, animals and microbes , burning coal , car exhaust  and wildfires.

Explanation:

Shell-builders (coral, oysters, lobsters, sea urchins, phytoplankton) utilize calcium carbonate molecules (CaCO3) to build their shells. The respiration process by organisms such as plants, animals and microbes, burning of fossil fuels, vehicle exhaust, wild fire etc produces carbon dioxide (CO2) and release it into the atmosphere. Oceans absorb carbon dioxide in the air by diffusing and dissolving it into the surface water. The amount of CO2 that dissolved in the water depends on concentrations of CO2, temperature of the water, wind, etc.

Phytoplanktons (microscopic, one-celled organisms) also bring carbon into the ocean from the air through photosynthesis, where they convert the carbon dioxide and water into glucose and other carbon compounds. These carbon compounds are consumed by the marine organisms and some carbon eventually ends up in deep seafloor sediments. The other processes which involved in the transfer of carbon from the air into deep seafloor sediments include photosynthesis , decomposition , waste products, etc.

The CO2 dissolved in the ocean combines with water molecules to produce carbonate (CO3-) ions, which then combine with calcium ions in the seawater to form calcium carbonate (CaCO3). This calcium carbonate is used by shell building organisms to build their shells, plates, inner skeletons etc.

8 0
3 years ago
You own a winery in Napa Valley. An assistant accidentally leaves the lid for a vat of wine slightly ajar. Would the yeast insid
anastassius [24]

<span>When the lid for a vat of wine is slightly open, the yeast inside can continue to perform alcoholic fermentation because the carbon dioxide produced by the yeast during fermentation will act as a blanket over the wine.  Nevertheless, the air around the fermenter must be still and enough carbon dioxide should be produced to continue alcoholic fermentation. However, at some point, carbon dioxide will fall and can no longer protect the wine. This is the right time to get your wine covered before it will be vulnerable to undesirable microorganisms. </span>

Therefore, open fermentation is good in the early stages of fermentation because yeast need oxygen to synthesize sterols and assimilate fatty acids to ensure the nutrients it needs to multiply and ferment the 70% of the sugar from the fruit. Furthermore, the yeast is responsible in decomposing sugar from the grapes into alcohol and carbon dioxide.

4 0
3 years ago
What is enters the light cycle ? Where do they come from ? How are they used / changed ?
zubka84 [21]

In the start of the light cycle, light-dependent reactions harness energy from the sun in order to create chemical bonds. These bonds are known as ATP and NADPH. These are the molecules that carry energy which are made in the stroma. The stroma is where the Calvin cycle takes place.

7 0
3 years ago
Which one of the following is an example of epithelial tissue?
Kruka [31]
B. subcutaneous skin layer

6 0
3 years ago
If a diploid cell has 20 chromosomes, how many sister chromatids will be present
Gnom [1K]

Answer:

92 chromatids

Explanation:

During phosphate, the nuclear envelope of the cell (which is where the 92 chromatids are contained) begins to break down. The centrioles, which are the only present in animal cells, separate and each moves to an opposite end of the cell

6 0
3 years ago
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