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ASHA 777 [7]
2 years ago
13

How does physical digestion take place in these parts of the human digestive system? Mouth or Stomach?

Biology
1 answer:
omeli [17]2 years ago
4 0

Answer:

1-Mouth:the mechanical digestion takes place in mouth with the help of teeth. chewing is the machanical digestion of food in mouth.

2-Stomach: by the churning process. churning is the mixing of food in stomach by the movements of smooth muscles in stomach wall.

Explanation:

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En un cruce entre peces naranjas y peces grises se obtiene una generación (f1) de 50% peces grises . Realice el cruce y explique
Ilya [14]

Answer:

Uno de los progenitores es heterocigoto para color naranja (Nn) y el otro parental es homocigoto recesivo para gris (nn). Al haber una cruza entre un homocigoto recesivo y un heterocigoto, la 50% de la progenie expresa color naranja (Nn), mientras que el otro 50% expresa color gris (nn).

Explanation:

<u>Datos disponibles:</u>

  • Cruce entre peces naranjas y peces grises
  • 50% de la F1 son peces grises
  • Naranja dominante sobre gris

Podemos nombrar el alelo dominante para color naranja <em>N</em>, y al alelo recesivo  para color gris <em>n</em>.

Para que en un cruce entre dos fenotipos distintos, el 50% de la primer camada exprese uno de estos fenotipos, entonces uno de los parentales debe ser heterocigoto, mientras que el otro parental debe ser homocigoto recesivo. De esta forma 50% de la primera generación expresara uno de los fenotipos, mientras que el otro 50% expresará el otro fenotipo.

Supongamos que uno de los parentales lleva el genotipo <em>Nn</em>, y el otro parental es <em>nn</em>.

Cruce:

Parental)      Nn    x     nn

Gametas)   N    n       n    n

Fenotipos) Naranja     Gris

Cuadro de Punnett)      N           n

                            n       Nn         nn

                            n       Nn         nn

F1)  2/4 = 1/2 = 50% de la progenie tendrá genotipo heterocigoto, Nn

     2/4 = 1/2 = 50% de la progenie tendrá genotipo homocigota recesivo,    

     nn

     50% de la progenie será color naranja (Nn)

     50% de la progenie será color gris (nn)

               

3 0
3 years ago
How a change in glycoproteins affects a cell’s ability to maintain homeostasis
Licemer1 [7]

Explanation:

Most of the cell surface receptors and glycoproteins. These glycoproteins have active sites that recognize specific signals, like hormones, that initiate secondary signaling pathways inside of the cell, in response to the external signal. This is how cells respond to environmental stimuli.

If a change in glycoproteins makes them unable to bind signaling molecules (like hormones) or makes them permanently bind these molecules, there will definitely be a defect in how the cell responds to external stimuli.  The cell will be, for example, be unable to respond to insulin in case of elevated blood sugar levels as is the case with diabetics.

Learn More:

For more on glycoproteins check out;

brainly.com/question/11473349

brainly.com/question/13602455

#LearnWithBrainly

8 0
3 years ago
Which statement best describes the process of asexual reproduction?
maks197457 [2]
The correct answer is C A single-celled protist divides into two cells, and each one becomes another protist.
5 0
3 years ago
Which pattern of inheritance would explain the different fur color in the related dogs?
djverab [1.8K]

Answer:

B/b alleles.

from a presentation

6 0
2 years ago
All of the following are major functions of proteins except 1.control of biochemical reactions. 2.support for organs or tissues.
Galina-37 [17]

Answer:

<h2>5.storage of energy</h2>

Explanation:

  • Proteins are important biomolecules that are a type of macromolecule.
  • This macromolecule is made up of a monomer that is called amino acid.
  • There are many functions of the protein molecules in living organisms.
  • They play an important role as bodybuilding molecules, as enzymes, as transporter molecules, and many more.
  • Most of the enzymes are made up of the protein molecules and regulate the metabolic process of the living organisms.
  • Certain proteins are present in the plasma membrane of the cells and play an important role in the transport of the substances across the cells, recognition of certain foreign particles, and some other functions.
  • They also play an important role in the immune system.
  • The main storage molecules of energy are carbohydrates and fats so storage of energy is not considered as the major function of the proteins because they do not involve as carbohydrates and fats.

4 0
3 years ago
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