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xeze [42]
3 years ago
10

The digestion of food includes the mechanical actions of:

Biology
2 answers:
Roman55 [17]3 years ago
4 0

Answer:

Peristalsis moves food through the digestive system with alternating waves of muscle contraction and relaxation. Digestion includes both mechanical and chemical processes. Mechanical digestion is a purely physical process that does not change the chemical nature of the food.

maxonik [38]3 years ago
3 0

Answer:

Digestion of food is a process which starts from mouth and continuous till intestine. The mechanical process which are involved is movement of tongue, chewing through teeth, peristalsis, etc.

Explanation:

Digestive system of a body includes mouth, food pipe, stomach, intestine. This system breaks down the food that a person eats into small particles which is helpful for conversion of food into energy. This energy is utilized by the body to perform different life functions.

The essential minerals and vitamins which are present in the food are absorbed in intestine. When we eat food, the food gets mixed with saliva which is present in our mouth. This mixing is necessary for the digestion of food.  

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Las bacterias se nutren por si mismas?
Eddi Din [679]

Answer:

Las bacterias pueden utilizar la mayoría de los compuestos orgánicos y algunos inorgánicos como alimento, y algunos pueden sobrevivir a condiciones extremas.

6 0
3 years ago
Each member of a family of 5 has eye color that is different shade of brown. The fathers eye are a very dark brown, while the mo
Brrunno [24]

Answer:

It is codorminace.

Explanation:

Codorminace is a type of inheritance relationship in which the offspring receive one allele or gene from the father and another gene from the mother and the two allele inherited are not receive rather they are dorminant in the offspring or they are not masked but they are both expressed in the offspring.

From the question, it could be discovered that the offsprings inherit dark brown gene from the father and golden brown from the mother , the two are expressed at they same time and that is why the children shades from light to dark brown.

6 0
2 years ago
Can someone help do 1-4?
Andreyy89
This is not  really clear
7 0
3 years ago
What is the different type of atoms present in an amino acid, glucose, and a nucleotide?
Vilka [71]

Answer:

The key elements of an amino acid are carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).

Glucose is a hydrocarbon, so it contains carbon (C), and hydrogen (H). It also contains oxygen (O).

Nucleic acids are complex arrangements of carbon, hydrogen, oxygen, nitrogen, and phosphorous.

Explanation:

hope this helps :)

7 0
3 years ago
Frank has Klinefelter syndrome (47, XXY). His mother has normal skin, but his father has anhidrotic ectodermal dysplasia, an X-l
Gala2k [10]

Answer:

b. Frank received the mutant chromosome from his father. Nondisjunction occurred in his father during the first meiotic division.

Explanation:

As you can see in the question above, Frank has Klinefelter syndrome which causes him to have normal skin patches and skin patches without sweat glands. Her mother has completely normal hair, which may indicate that the defective gene was not supplied by her. In addition, Frank's father has anhydrotic ectodermal dysplasia, an X-linked condition where the skin does not contain sweat glands.

Although Frank's father's defective gene is linked to the X chromosome, it is likely that Frank inherited the defective gene from his country. This may have occurred because during meiosis I, his father's genes did not show disjunction. As a result, Frank presents a mosaic of his phenotype, because an inactivation of the X chromosome occurred.

5 0
3 years ago
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