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3 years ago

The purpose of the digestive system is to break down food into simple molecules that the _______ of the body can use.

Biology

2 answers:

erma4kov [3.2K]3 years ago

7 0

The purpose of the digestive system is to break down food into simple molecules that the cells of the body can use.

Food is broken down into its simplest units called monomers. Proteins are broken down into amino acids, fats are broken down into fatty acids and glycerol while carbohydrates are broken down into glucose units.

Glucose is taken in by the cells of the body and through the process of cellular respiration is used to produce the ATP, the form of energy that cells use. Cellular respiration is the process by which cells use glucose to produce energy to power their functions.

Talja [164]3 years ago

4 0

The purpose of the digestive system is to break down food into simple molecules that the cells of the body can use.

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Compare and contrast aerobic respiration with photosynthesis in

Nataliya [291]

Answer:

Aerobic respiration;this is the process of breaking down of glucose with Oxygen to generate energy as ATPs in living cells

Location- Matrix and inner membranes of mitochondria

Energy source_oxidative phosphorylation of glucose

Waste product-water( oxygen accept the final electron to form water)

38 ATPs from 1 glucose molecule

Explanation:

Photosynthesis; this is the process of reducing C02 with hydrogen ion, from water in the presence of sunlight , enzymes and green pigment chlorophyll to form glucose

Location- stroma and thylakoid membranes of chloroplast

Energy source-photo-phosphorylation(sunlight)

Waste product-Oxygen

18ATPs

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3 years ago

hich cell structure is the gatekeeper, controlling what goes in and out of the cell? A) c - nucleus Eliminate B) e - vacuole C)

andrezito [222]

A) c - nucleus Eliminate

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4 years ago

Why is water necessary to your body

dusya [7]

Answer:

it's necessary because your body uses water in all its cells organs and tissue. water helps you to keep moving and functioning.

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3 years ago

Influenza is capable of genetic reassortment in which genetic components from two influenza strains reassort between themselves.

tester [92]

Answer:

The correct answer is - option B. ducks and swine.

Explanation:

Influenza virus is capable of the genetic reassortment. This reassortment involves the reassortment of genetic parts in between two influenza strain. This takes place due to the ability of influenza virus to alter or modify the structure of Hemagglutinin (HA) and neuraminidase.

Some other characters also helps them to develop different strains for different host such as mutation, antigenic drift and many other conditions. Influenza virus subtype A are belongs to the avian host so they affect the birds such as duck, swan, gesse. Other than avian variants there is another strain that affect pigs known as swan variants. These strains are virulent if reassorted with human strains.

Thus, the correct answer is - option B.

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3 years ago

On the planet Kermit, in the Muppet population, there are two autosomal loci of interest. The first locus has alleles A and a, a

astra-53 [7]

Answer:

The values that most closely represent the expected number of Janice blonde-haired offspring is 252 individuals, option C.

Explanation:

Available data:

Two diallelic genes acting in a recessive epistatic manner to express hair color
Allele A is dominant over the allele a
Allele B is dominant over the allele b
A_B_ Cookie monster blue
aaB_ Elmo red
__bb Janice blonde

When talking about epistasis, we are referring to an interruption. These are interactions between genes located in different loci in the same chromosome. An epistatic gene can alter, influence, or suppress the expression of a hypostatic gene. When the epistatic gene is recessive, the interaction is known as recessive epistasis.

Observing the altered phenotype proportions of the offspring can reveal which interaction is operating in the trait determination.

In recessive epistasis, the proportion is 9:3:4.

Cross: Between two doubly-heterozygous

Parentals) AaBb x AaBb

Phenotype) Cookie-monster blue-haired individuals

Gametes) AB, Ab, aB, ab

AB, Ab, aB, ab

Punnett square) AB Ab aB ab

AB AABB AABb AaBB AaBB

Ab AABb AAbb AaBb Aabb

aB AaBB AaBb aaBB aaBb

ab AaBb Aabb aaBb aabb

F1) 1000 individuals

9/16 individuals are expected to be Cookie-monster blue-haired, A-B-

3/16 individuals are expected to be Elmo Red, aaB-

4/16 individuals are expected to be Janice blond, A-bb + aabb

16 ------------------------------------------- 1000 individuals

4 Janice blond individuals ---------- X = 250 individuals

So, 250 individuals are expected to be Janice blonde. The observed number might vary a little bit from this value. The values that most closely represent the expected number of Janice blonde-haired offspring is c = 252 individuals

5 0

3 years ago