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suter [353]
3 years ago
5

What factor determines is some molecules can pass through a membrane

Biology
1 answer:
Yanka [14]3 years ago
7 0

Answer:

Explanation:The ability of a molecule to travel across a membrane depends on its concentration, charge and size. In general, molecules diffuse across membranes from areas of high concentration to low concentration. Cell membranes prevent charged molecules from entering the cell unless the cell maintains an electrical potential

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It’s easy to understand why multiple bands would be present in the lanes containing DNA that has been cut with restriction enzym
bulgar [2K]

Answer:

These bands represent different confirmation of DNA

Explanation:

pGLO DNA is a plasmid DNA that is used as a vector for genetic engineering. Plasmid DNA is found in supercoiled confirmation in vivo. The double helix forms extra twists to easily fit inside the cells. During isolation of plasmid from the cell, nicks can be introduced in the DNA due to harsh isolating methods or contamination by nuclease. As a result the supercoiled confirmation is changed into circular confirmation. It is bulkier than the supercoiled form and travels more slowly. When both DNA stands get cut at the same place, the DNA gets liner confirmation. In the end, supercoiled DNA runs the fastest on gel followed by linear DNA and then the circular DNA.

8 0
2 years ago
3. use the simulation to observe the first-generation offspring from the cross between flowers c and a. what is the most likely
JulsSmile [24]

To observe the first generation offspring of the cross between the flowers c and a. the most likely genotype of flower c is its color.

<h3>What is genetic probability?</h3>

Probability serves to mathematically estimate the possibility of events that happen by chance, that is, as a matter of luck. It can be defined by the following formula: Where P is the probability that an event will occur, A is the number of desired events, and S is the total number of possible events.

With this information, we can observe the first generation offspring of the cross between the flowers c and a. the most likely genotype of flower c is its color.

Learn more about  genotype in brainly.com/question/12116830

5 0
1 year ago
NUMBER 3: What are all the possible blood types produced by blood type “O” and “AB”
stiks02 [169]

Answer:

Type A blood or Type B blood

Explanation:

O is a recessive trait so both allels would have to be O for it to be O type blood, and none of the punett squares contain 2 O's

7 0
3 years ago
In a certain population of wolves, a mutation takes place and several wolves
Shalnov [3]
C... an animal that is faster than the others will have way better chances of survival. Thus, the animal with the mutation will pass on the trait more
7 0
2 years ago
Which of the following is not one of the parts of a nucleotide? *
astra-53 [7]
I believe pentose sugar
3 0
2 years ago
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