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RSB [31]
3 years ago
5

Biological membranes are said to be selectively permeable. What does this term mean, and how does this affect the way the molecu

les are able to move through cellular membranes?
Biology
1 answer:
valina [46]3 years ago
5 0

Answer:

This means that some cells are able to letter molecules pass through them and this makes it easier for the molecules to pass through.

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Forks over knives movie
slava [35]

Answer:

1. Yes

2. No

3. Yes

Explanation:

Yes, the elimination of the animal based foods decreases and reduce chronic diseases in many developed countries such as US and England etc. but meat is also very necessary for animal diet due to the presence of high protein content.

No, USDA does not promote the intake of an animal-based diet. this agency promote the intake of nutritious food in a limited amount so it does not cause any disease. They recommend the eating of Grains, Fruits, Protein, Foods, Vegetables and Dairy products in a limited amount.

Yes, the main cause of obesity in Americans is due to two reasons, first cause is the intake of meat in large amount and second cause is the decline in physical activity.

The success of the patients was due to combined effect of increased amount of fruits/vegetables and plants and the elimination of meats. By using these two element the patient will quickly recovered.

8 0
2 years ago
What elements can be found in the structure of DNA if DNA is composed of nucleotides?​
WITCHER [35]

Answer:

DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.

Explanation:

7 0
2 years ago
if two different types of particles have the same speed in a medium,why is chromatography process not suitable? write with a rea
vekshin1

Explanation:

When using chromatography, the 2 solutes in the solvent paper should have different Rf values from the base line to identify them as different compounds.

If they were to have the same speed in the solvent, they would appear as 1 dot instead of 2 separate dots, which is a false reading.

7 0
2 years ago
The mammals whose offspring are little more than embryos are? A. Monotremes B. Marsupials C. Placentals
saveliy_v [14]
The answer is "B. Marsupials". Marsupials undergo relatively premature births compared to many other species, and although this puts the baby at risk, it lessens the risks for the mother.
6 0
3 years ago
Read 2 more answers
Hereditary information for most traits is generally located in
Paha777 [63]

genes on chromosomes

3 0
2 years ago
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