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damaskus [11]
3 years ago
15

Bio questions about Biotechnology. (2)

Biology
1 answer:
Ne4ueva [31]3 years ago
5 0

Answer:

Gel electrophoresis is a technique used to separate DNA fragments according to their size. DNA samples are loaded into wells indentations at one end of a gel, and an electric current is applied to pull them through the gel. DNA fragments are negatively charged, so they move towards the positive electrode. Really easy

Explanation:

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Which kind of diagram shows the amount of organic matter in the trophic levels of an ecosystem?
wariber [46]

Pyramid biomass 

<span>Pyramid biomass shows how energy are passed at each tropics level and it is a graphical representation that shows the extents of biomass per unit area at different tropic level with an ecological system. Also, biomass is the food available for the next tropic level in a food chain and they can be used as a source of renewable energy. </span>

8 0
3 years ago
The plant below is purebred for height tall. Write the alleles of this plant. In any cross for height, what kind of Offspring wi
Tomtit [17]

Answer:

TT

All tall

Explanation:

If an organism is purebred, that means it is homozygous. That means, it contains two copies of the same allele (trait) at this particular gene. Lets denote the tall allele as T. That means the plant is TT, and purebred tall.

No matter what genotype (i.e. what 2 alleles) another plant has, the offspring will always be tall. That is because it will always inherit one T from the TT parent. Even if we cross it to a tt plant, all the offspring would be Tt. They would be heterozygous, but they would be tall.

5 0
3 years ago
Many people believe that vitamins and minerals are essentially the same type of nutrient but they are not: one is an organic mol
Minchanka [31]

Answer:

The correct statements are listed below.

Explanation:

Vitamins are organic and minerals are inorganic.

Organic compounds comes from living things.Vitamins generally exist as organic compounds for example all the vitamin such as vitamin A, Thiamine,riboflavin,biotin,pyridoxin,vitamin c,vitamin E, vitamin K exist as organic compounds.

On the other hand minerals are found in inorganic form for example nitrogen is found as nitrate and nitrite,phosphorus is found as phosphate group,phosphoric acid.

3 0
3 years ago
What methods are you using to test this (or each) hypothesis?
gtnhenbr [62]

Answer: State the hypotheses. Every hypothesis test requires the analyst to state a null hypothesis and an alternative hypothesis.

Formulate an analysis plan. The analysis plan describes how to use sample data to accept or reject the null hypothesis.

Analyze sample data.

Interpret the results.

Explanation:

8 0
3 years ago
Personality traits that remain stable and relatively unchanging from about age 30 on are called
Zolol [24]
Dispositional traits are personality traits that remain stable and relatively unchanging from about age. They refer to the tendency of an individual to behave in stable and predicted ways. It is similar with the concept of moods. Costa and McCrae believed that personality traits remain the same by the age of 30.
6 0
3 years ago
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