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Stella [2.4K]
3 years ago
13

True or False: The cells from the "Area of Cell Division" allow the root to grow longer?​

Biology
1 answer:
Nastasia [14]3 years ago
3 0

Answer:

I'm pretty sure it is true.

Explanation:

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Which answer below accurately explains a scientific theory.
n200080 [17]

Answer:

I think it is c since "A scientific theory is an explanation of an aspect of the natural world that can be repeatedly tested and verified in accordance with the scientific method, using accepted protocols of observation, measurement, and evaluation of results. Where possible, theories are tested under controlled conditions in an experiment. "

5 0
3 years ago
Boris Magasanik collected data on the proportion of each base in RNA from different species. To compare the relative amount of e
just olya [345]

Answer:

The nucleic acid is a macromolecule present in living systems in the form of either DNA or RNA, whose molecule consists of many nucleotides which are linked with each other to form long chains. The presence of DNA or RNA in an individual promotes continuity of life. The variability and complexity of nucleic acid are dependent on its constituent molecules as, sugar, a phosphate group, and a nitrogenous base. However, two monocyclic nitrogenous bases were classified purines (adenine:A, guanine:G) and pyrimidines (thymine:T, cytosine:C, and uracil:U).

In addition, RNA is a single-stranded structure which differs from DNA in two aspects, the sugar content of RNA is ribose, and pyrimidine base uracil replaces the thymine base of DNA. A ratio between two strands of DNA can be calculated by using Chargrff's rule which states that "DNA from any cell of all organisms possess a 1:1 ratio (base Pair Rule) of pyrimidine and purine bases'.

The purine to pyrimidine ratio in RNA with different bases is given below in the following table:

Presence of single strand in RNA does not follow chargaff's rule and alters the purine: pyrimidine ratio. The above ratio of each base in the given information is not equal, due to which the ratio of purines to pyrimidines is different. The ratio of DNA and RNA is not equal because DNA has its complementary DNA strand. However, bases in RNA might vary due to its single-strandedness property, but its ratio is dependent on the species.

Therefore, it can be concluded that the ratio of purines to pyrimidines is dependent on the species due to its genetic makeup. Hence, option (c) is correct.

7 0
3 years ago
Where to find the answers to cell graphic organizer for free?
rosijanka [135]

Explanation:

Subscribe To RS Shark It Would Help A alot

7 0
3 years ago
Female gametangia are called while male gametangia are called .
Setler79 [48]
The answer is Archegonia and Antheridia. Female gametangia are called Archegonia while male gametangia are called Antheridia. 
The statement is false. Squash and tomatoes are not vegetables, thus they considered as fruits. 
8 0
3 years ago
Which of the choices below is the main producers in the aquatic environment? a. phytoplankton b. zooplankton c. kelp d. fish
Minchanka [31]
I think the correct answer from the choices listed above is option A. The main producers in the aquatic environment is the phytoplankton. They are the base of several aquatic food webs. They provide food for many marine animals. Hope this answers the question.
3 0
3 years ago
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