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3 years ago

Which substance helps break down starch during digestion

1 answer:

8 0

Amylase is an enzyme which breaks down starch into maltose. It is found in the mouth and in the Small Intestines. The amylase breaks the bonds to form smaller molecules( simple sugar). It is then absorbed and used by the cells for aerobic respiration( cellular respiration).

Carbohydrates are digested in the mouth, stomach and small intestine. Carbohydrase enzymes break down starch into sugars. The saliva in your mouth contains amylase, which is another starch digesting enzyme.

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Which of the following best describes the relationship between the level of genetic

san4es73 [151]

Answer:

All adaptations are variations and all variations help organisms survive

Explanation:

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4 0

2 years ago

PKU can result from defects in phenylalanine hydroxylase (PAH), an enzyme that converts phenylalanine into amino acid tyrosine.

Inessa05 [86]

Answer:

Low phenylalanine concentration:

If the enzyme is inactive, PAH will look like its inactive form, with phenylalanine located in the allosteric site / inactive site so that PAH is a different shape. This will not allow as much phenylalanine to be converted into tyrosine, as we wait for Phe levels to increase.

High phenylalanine concentration:

If the enzyme is active, PAH will look like its regular form, with an open active site that's the size of phenylalanine so that reactions can occur. (Like a hand fitting into a glove, or a lock into a key.) Phenylalanine will be the substrate, the thing acted upon by the enzyme. This will eventually raise the amount of tyrosine that's created and lower the concentration of phenylalanine.

Think about it like this. Ever heard of homeostasis? That's how the body likes to be the same, keep everything regulated, all the time. So if there are high levels of something, the body is going to try to keep that something down, and if there are low levels, it's going to try to increase the concentration of that thing.

3 0

3 years ago

relationship between lactobacillus bulgaricus and streptococcus thermophilus under whey conditions: focus on amino acid formatio

fredd [130]

The discussion of relationship between lactobacillus bulgaricus and streptococcus thermophilus under whey conditions: focus on amino acid formation is given in the below paragraph-

In this study, we used Lactobacillus delbrueckii subsp. bulgaricus 2038 grown with or without Streptococcus thermophilus in whey medium to conduct microarray experiments to examine how these two strains use nitrogen since Lb. bulgaricus 2038 uses whey as its nitrogen before casein. Because S. thermophilus primarily preferred different types of peptides than L. bulgaricus, but has lost the ability to prioritize the use of free branched-chain amino acids, L. bulgaricus 2038 was better able to import the types of peptides required for growth compared to monoculture.

In order to stop Lb. bulgaricus 2038 from converting aspartate into intermediates that form the carbon skeleton, which is catalyzed by phosphoenolpyruvate carboxykinase, the ratio of nitrogen to carbon was reduced during co-culture.

<h3>What is an amino acid?</h3>

Organic substances known as amino acids have both functional groups for amino and carboxylic acids. Alpha-amino acids, which make up proteins, are by far the most common amino acids in nature despite the fact that there are hundreds of them. The genetic coding only contains 22 alpha amino acids.

The locations of the primary structural functional groups in amino acids can be categorized as alpha, beta, gamma, or delta amino acids; further classifications relate to polarity, ionization, and the type of side chain group (aliphatic, acyclic, aromatic, containing hydroxyl or sulfur, etc.).

To learn more about amino acid with the help of given link:

brainly.com/question/2526971

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6 0

2 years ago

Plants have what is called an blank life cycle

frosja888 [35]

Answer:

Haploid and diploid life cycle. Haploid male and female cells form together to create a diploid zygote, however when spores or seeds are released (depending on the type of plant) these are once again haploid cells - hence the cycling between cell states

5 0

3 years ago

Read 2 more answers

8. Complete the chart by describing what kinds of organs or tissues each type of

Andrews [41]

Mesoderm becomes: The mesoderm forms skeletal muscle, bone, connective tissue, the heart, and the urogenital system. Due to the evolution of the mesoderm, triploblastic animals develop visceral organs such as stomachs and intestines, rather than retaining the open digestive cavity characteristic of diploblastic animals.
Endoderm becomes: The endoderm produced during gastrulation will form the lining of the digestive tract, as well as that of the lungs and thyroid.
Ectoderm becomes: After gastrulation, the embryo goes through a process called neurulation, which starts the development of nervous system. During neurulation, ectoderm differentiates into two parts. The first is the surface ectoderm, which gives rise to tissues on the outer surface of the body like epidermis, hair, and nails.
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5 0

3 years ago