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Sliva [168]
3 years ago
11

Describe in detail the primary and secondary growth of the tissues of roots

Biology
1 answer:
Amanda [17]3 years ago
7 0
Primary Growth 
The root system also has an apical meristem, known as the root apical meristem<span>. This acts in much the same way as the shoot apical meristem, causing extension growth. The main difference is this growth goes down into the ground, and roots, not leaves and branches, come from the root apical meristem. 
</span>Secondary Growth
<span>The width of a plant, or its girth, is called </span>secondary growth<span> and it arises from the </span>lateral meristems<span> in stems and roots. As with apical meristems, lateral meristems are regions of high cell division activity. However, the cells they make grow outward rather than upward or downward. Eudicots use lateral meristems to add to their width; monocots, however, do not experience secondary growth.</span>

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What is Sagittarius plane
Nikitich [7]

Answer:

Sagittal plane, imaginary plane dividing the human body into left and right halves. Sagittaria, a genus of about 20 species of aquatic plants. Sagittarians (disambiguation) Sagittarius Aiolos, a character in Saint Seiya.

Explanation:

8 0
3 years ago
You are conducting a photosynthesis experiment to determine how much oxygen is produced over a 24-hour period of time. You are m
Nat2105 [25]

Answer:

Measure only daytime.

Explanation:

It is useless to measure the oxygen production every hour for 24 hours because oxygen is produced during day time due to the presence of photosynthesis process. Oxygen is produced in large amount during photosynthesis, some oxygen is used in respiration while the remaining diffuse out from plant body through stomata. After vanishing sunlight, the photosynthesis process stop and no production of oxygen occur. So only measure oxygen production at daytime as compared to every hour for 24 hours.

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3 years ago
What are ways that a young plant differs from a parent plant
katrin2010 [14]

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their size

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The most distinct difference between a baby plant and an adult plant is their size. They look very similar but baby plants are much smaller, like a miniature version.

7 0
2 years ago
What are the rings in a woody stem made up of?
Free_Kalibri [48]

Answer:

Monocots have bundles of xylem and phloem mixed throughout their stem with vascular cambium between, an arrangement found on many herbaceous plants. Dicots, like trees and many woody stems, organize their parts in rings. A cork cambium, the growth layer, is found between the xylem and phloem in the ring

Explanation:

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How are binary fission and mitosis similar?
daser333 [38]

Answer:

Both binary fission and mitosis produce genetically identical daughter cells.

Explanation:

The process in which new cells are made in order to grow, replenish (repair), and reproduce is called cell division . The three main types of cell division are binary fission, mitosis, and meiosis. In prokaryotes like bacteria  cell division take place through binary fission, while eukaryotes (e.g., plant and animal cells) uses two types of cell division - mitosis (the process of making new body cells like blood, muscle etc ) and meiosis (reproductive cell division that creates egg and sperm cells).

Binary fission is a simple and rapid process in which a single parent cell divides to form two genetically identical daughter cells. The main function of binary fission is reproduction.

In mitosis, a cell is replicated into exact copies of itself and duplicates all of its contents including the chromosomes and splits to form two identical daughter cells. It is a complex process in which cells pass through different phases called cell cycle during cell division.

Meiosis is a type of cell division in which four haploid cells are produced from a diploid parent cell having two copies of each chromosome, where the number of chromosomes in the parent cell is reduced to half by undergoing DNA replication and nuclear division.

Both binary fission and mitosis are types of asexual reproduction in which the DNA is copied and the cytoplasm is divided (cytokinesis) to form two genetically identical daughter cells, which contain an exact copy of the parent cell's DNA.

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2 years ago
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