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Luden [163]
3 years ago
7

Type of diffusion that occurs with the help of a protein is called

Biology
1 answer:
Soloha48 [4]3 years ago
8 0

Answer:

<h2>Facilitated diffusion .</h2>

Explanation:

1. Diffusion: it  is the net passive movement of particles from  higher concentration to lower concentration. Diffusion continues until the concentration of substances is equal through out.

 

2. Facilitated diffusion: is the  process of passive transport of molecules or ions across a biological membrane and requires (via) a specific carrier protein.

3. Facilitated diffusion is passive type and require specific protein and it  requires no energy from the cell.  

4. It requires specific proteins through which molecules move from one side to another.

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In the family tree below, people with the recessive trait of attached earlobes
madam [21]

Answer:

C. It is a male with atleast one dominant allele

Explanation:

In the given pedigree, the two normal parents of the generation I have one daughter with the attached earlobe. Since the trait is recessive, the daughter should be homozygous recessive to express the trait. The genotype of the daughter (shaded circle in generation II) is "aa". To have a daughter with "aa" genotype, both the parents should have one copy of "a" allele. So, the genotype of both parents is "Aa".

In generation II, individual A is non-shaded square. Squares represent males in a pedigree. Since its not shaded, it does not have attached earlobe. Both the parents are heterozygous dominant for attached earlobes (Aa x Aa = 1/4 AA : 1/2 Aa : 1/4 aa). The genotype of this individual may be AA or Aa.

5 0
3 years ago
What is tissue? Give 2 examples.
disa [49]
There are four main types of tissue: muscle, epithelial, connective and nervous. Each is made of specialized cells that are grouped together according to structure and function. Muscle is found throughout the body and even includes organs such as the heart. Our outer layer of skin is epithelial tissue.
7 0
3 years ago
If thousands of glucose molecules were bonded together with equal numbers of sucrose molecules, the resulting substance could be
zmey [24]
If thousands of glucose molecules were bonded together with equal numbers of sucrose molecules, the resulting substance could be described as a polysaccharide. They are <span>polymeric carbohydrate molecules composed of long chains of monosaccharide units bound together by glycosidic linkages.</span>
4 0
3 years ago
An example of a communicable disease is
Lynna [10]

Answer:

D giardiasis is the correct answer :)

5 0
2 years ago
Glucose and oxygen are products.<br><br> Photosynthesis<br> Respiration<br> Both
Lyrx [107]

Answer:

Photosynthesis

Explanation:

In photosynthesis, carbon reduction helps make glucose, the oxygen is formed with the reduction of water in the photosystems 2 and 1.

In cellular respiration, both of these compounds would be reactants.

3 0
3 years ago
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