1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vichka [17]
3 years ago
9

Digestion begins in the: a : mouth b : stomach c : esophagus d : colon

Biology
2 answers:
Schach [20]3 years ago
8 0
Digestion begins in the mouth. Saliva contains enzymes which begin to break down food. The mouth also uses the teeth and jaw to mechanically break down food.
Free_Kalibri [48]3 years ago
3 0

It always starts in the mouth, saliva breaks down food as you chew it, saliva makes the food much more, soft I guess.  

You might be interested in
What do immune cells do when they come in contact with a virus?
miss Akunina [59]

Answer:

cell wall

Explanation:

true

4 0
3 years ago
Read 2 more answers
Why did proteins seem better suited for storing genetic information?
alexgriva [62]

Answer:

Proteins seem better suited for storing genetic information because DNA is only made from 4 bases while proteins were made from 20 amino acids, Scientists thought that proteins could code for much greater variety in their amino acid sequence than DNA could in its nucleotide sequence.

5 0
3 years ago
How did you form sediment? Where on the landscape did the sediment form?​
Alex17521 [72]

Answer:

Sedimentary rocks are formed from small pieces of rock. Deltas, bottom of waterfalls, and river banks is where they are formed.

Explanation:

6 0
3 years ago
Over 1,800 mutations have been described within the CFTR gene. These mutations can be readily detected using PCR and DNA sequenc
sertanlavr [38]

Answer:

The correct answer is - option C.

Explanation:

CFTR is a short form of cystic fibrosis transmembrane conductance regulator protein which is caused by a recessive mutation in this protein. This mutation results in the accumulation of mucus in secretory organs.

As the disease is a recessive disease, for the mutant phenotype to expressed both copies of the allele required to be recessive.

The mother is negative for the CFTR. Hence, she will not transfer the mutant allele to her child So, the child would have a wild-type phenotype even if the father having two copies of recessive allele.

Thus, the correct answer is - option C.

8 0
3 years ago
Folds are usually formed by _____.
Sauron [17]

Answer:

Folds are usually formed by Compression

Explanation:

Compression has to do with applying force to a material or substance to give another shape, in order to get a fold compression is used.

6 0
3 years ago
Other questions:
  • What do scientist use to learn about Earth's core
    11·2 answers
  • Why is it important that your heart rate returns to resting levels as quickly as possible?
    13·1 answer
  • Plants release water into the atmosphere process called----
    5·1 answer
  • How are complementary strands of DNA held together?
    6·2 answers
  • What are the names of the four nucleotides? ​
    6·1 answer
  • Is the following question true or false? Chemical weathering produces rock particles with the same mineral makeup as the rock th
    14·1 answer
  • What is one way that calcitonin and parathyroid hormone maintain homeostasis?
    9·2 answers
  • The and are part of the digestive system
    6·2 answers
  • What are two variables that form larger and heavier elements than hydrogen and helium in starts?
    5·2 answers
  • 1) List ways in way to create awareness on the safe keeping of turtles ?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!