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Blababa [14]
3 years ago
11

Why can't humans digest all carbohydrates ?

Biology
1 answer:
KIM [24]3 years ago
6 0
The enzymes that digest carbohydrates are very specific and can only digest specific glucose monomers of a Polysaccharides. For example our body can digest starch since its made up of α-glucose monomers (the difference of α-glucose and β-glucose is just on the location of the hydroxl group). However <span>Polysaccharides</span> like cellulose are indigestible because cellulose is made up of β-glucose and the enzyme which digests polysaccharides in humans (amylase) cannot detect β-glucose linkages. 
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A phenotypic ratio for a dihybrid cross is predicted to be 9:3:3:1. The experimental values are:
Maslowich
Two traits that we are examining are the color (purple/white) and the smoothness. 
In our sample, we have 135 individuals ( 75 +28+24+8= 135).

Since we know that expected ratio of a dihybrid cross, is <span>9:3:3:1 we can calculate what is the expected values of each phenotype is.

So, for the white wrinkled phenotype, we expect that there will be one-sixteenth of the whole sample ( there are 16 parts of the whole sample 9+3+3+1=16).
So, we multiply the whole sample- 135 with one-sixteenth (or </span>0.0625) and get 8,4375.
When you calculate the values for all phenotypes you get results shown in the attached excel table.
When you have your expected and experimental values you compare them with a chi-square test. (The test determines if the difference between the expected and experimental results is statistically significant).


4 0
3 years ago
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Plants, algae, and many single-celled organisms can photosynthesize using a specialized cell organelle called a chloroplast. Do
Dovator [93]

Answer:

Yes

Explanation:

<em>The chloroplast is an organelle through which photosynthesis takes place. While the light reaction takes place in the thylakoid membrane of the chloroplast, the light-independent reaction or the Calvin cycle takes place in the stroma of the chloroplast. </em>

6 0
3 years ago
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Analyze the model of the cell membrane below. Which of the following statements is true about the phospholipid components of the
MArishka [77]

Answer:

This question appears incomplete but The correct option is the last option

Explanation:

Cell membranes are made up of a lipid/phospholipid bilayer in which each layer consists of an hydrophilic head (water loving) and a hydrophobic tail (water fearing). The hydrophobic tail of each layer is oriented inward and the hydrophilic heads are oriented outward so the cell can interact with water molecules inside (the cytoplasm) and outside the cell environment. This orientation forms a critical part of the function of the cell membrane that makes it a selectively permeable barrier that regulates what goes in and out of the cell.

3 0
3 years ago
What is #34 answer ??
Illusion [34]
B.the mass of carbon dioxide plus water is less than that of paper plus oxygen.
8 0
3 years ago
ANSWER ASAP: In a population of 500 squirrels, the per capita birth rate in a particular period is 0.08and the per capita death
leva [86]

Answer:

A. -0.04

B.40

C. 60

Explanation:

.08-.12 =-.04

.08*500=40

,12*500 = 60

7 0
2 years ago
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