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Ksju [112]
3 years ago
7

Which type of organism carries out most nitrogen fixation?

Biology
1 answer:
skelet666 [1.2K]3 years ago
7 0
 <span>Nitrogen fixation is made by numerous prokaryotes, including bacteria, actinobacteria, and certain types of anaerobic bacteria. Organisms that fix nitrogen are called Diazotrophs.</span>
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Why are the lysosomes useful during entrapment of particles?
Elena L [17]

Answer:

Lysosomes

Explanation:

Lysosomes are membrane-enclosed organelles that contain an array of enzymes capable of breaking down all types of biological polymers—proteins, nucleic acids, carbohydrates, and lipids. Lysosomes function as the digestive system of the cell, serving both to degrade material taken up from outside the cell and to digest obsolete components of the cell itself. In their simplest form, lysosomes are visualized as dense spherical vacuoles, but they can display considerable variation in size and shape as a result of differences in the materials that have been taken up for digestion. Lysosomes thus represent morphologically diverse organelles defined by the common function of degrading intracellular material.

3 0
2 years ago
How many chromatids are in each replicated chromosome
Stels [109]
Each chromosome (replicated or not) contains 2 chromatids.
8 0
3 years ago
.Marcus has $15.00 to spend on fruit. He buys 3 mangoes and spends the rest of the money on grapes. The store charges $0.75 for
cestrela7 [59]

Answer:

Explanation:

after he spent money on mangoes it was a total of 12.75

so he bought like 5lb of grapes

4 0
2 years ago
The shape of the beaks of Darwin's finches and industrial melanism are often cited as examples of the process of ________ leadin
SSSSS [86.1K]

Answer: The answer is natural selection

Explanation:

Natural selection explains how certain desirable traits like;

- shape of the beaks of Darwin's finches: to help them feed more easily

- industrial melanism to raise a population of dark-coloured organisms to evolve from pre-existing light coloured ones in industrial areas where the surrondings are blackened with soot;

are favored over LESS DESIRABLE TRAITS, resulting in organisms that are most suited/adapted to thrive in an environment, which is evolutionary change

6 0
2 years ago
A gene that controls betacarotene production has been successfully inserted into a common food crop. Name the technique used to
madam [21]

Answer:

The technique that is used in inserting a gene into a crop is genetic modification.

What is genetic modified crop?

A genetically modified organism (GMO) is a living organism whose DNA has been altered using genetic engineering techniques.

Humans have used breeding methods to modify organisms for thousands of years. Over generations, corn, cattle, and even dogs have been selectively bred to have certain desired traits.

The majority of GMO crops grown today were developed to assist farmers in preventing crop and food loss and controlling weeds.

The following are the most common traits found in GMO crops: Resistance to certain harmful insects, and Tolerance to certain weed-controlling herbicides.

Thus, with the help of genetic modification, a gene that controls beta-carotene production can be successfully inserted into a common food crop.

5 0
1 year ago
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