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eduard
3 years ago
9

The main difference between a taproot system and a fibrous root system

Biology
1 answer:
aev [14]3 years ago
3 0
Fibrous roots grow from the main stem of the plant and does not have a primary root like the taproot. They grown downward with repeating branches to forma a mass of small roots. Dicots and monocots are the two classes of flowering plants. the majority of taproot systems are composed of dicots and conifers.
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Darwin carefully observed the finches of the Galapagos island. What he noticed was that they were similar to the mainland finche
Tresset [83]

Answer: A (colored feathers.)

Explanation: There are many birds with colors that are variously different on the Galapagos.

So, Darwin carefully observed the finches of the Galapagos island. What he noticed was that they were similar to the mainland finches, but each island finch has different colored feathers.

8 0
3 years ago
How did Hershey and Chase ""label"" viral DNA and viral protein so that they could be distinguished? Explain why they chose each
vlabodo [156]

Answer:

As DNA contain phosphorus in its structure in large amount, therefore, Harshey and Chase labeled DNA with radioactive phosphorus and because protein contains some amino acids which have sulfur so they labeled T2 bacteriophage protein with sulfur.

So after that they infected E.coli bacteria with radioactively labeled phages and after centrifugation, they have found that pellet which contains cells is showing the presence of radioactive phosphorus and supernatant which have T2 phage capsid protein showing the presence of radioactive sulfur.

Therefore by labeling viral protein and viral DNA they found that DNA is the genetic material not protein.

7 0
3 years ago
A - DNA as the inheritance materials B - RNA as the inheritance materials C - The formation of organic molecules, e.g. nucleic a
Stels [109]

EXPLANATION:

There are 2 types of nucleic acids: DNA(deoxyribonucleic acid) and RNA(ribonucleic acid).

Living organisms have their genetic material in their DNA. Viruses use RNA as their genetic material but are usually called non-living things( because they can't reproduce without help from a host).

The function of nucleic acids has a progression from DNA to RNA to proteins. This is called the central dogma of molecular biology.

Nucleic acids are formed by a linkage of polynucleotide chains with phosphodiester bonds. These polynucleotide chains are formed from monomers called NUCLEOTIDES.

A nucleotide is made up of 3 parts:

i) a nitrogenous base

ii) a five-carbon sugar

iii) at least one phosphate group.

4 0
3 years ago
Read 2 more answers
Why is fuel needed to change the speed or direction of a probe in space?
timama [110]
Fuel is use to produce a force to accelerate in a new direction.In the void of space the object will continue its velocity until somthing acts upon it.(newtons first law of motion)
4 0
3 years ago
Read 2 more answers
1. What does “adaptive” mean in the word adaptive radiation?
Flura [38]

Answer:

Adaptive radiation is a process in which organisms diversify rapidly from an ancestral species into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges, or opens new environmental niches.

7 0
3 years ago
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