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larisa86 [58]
3 years ago
9

What is the significance of secondary growth in plants?

Biology
2 answers:
kipiarov [429]3 years ago
4 0
The correct answer is A. 
Secondary growth in plants allows many woody and non woody plants to grow tall and strong. The growth basically occurs in the roots and the stems and it is controlled by lateral meristem.  Examples of non woody plants that undergo secondary growth include: carrot, potato, tuber, etc.<span />
Tanya [424]3 years ago
4 0
The growth starts from the roots and them to other parts. So the significance of secondary growth in plants is To support the extra weight of the tree due to an increase in its height and to prevent it from collapsing. So the answer to your question is letter A.
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Answer:

Polygenic traits are controlled by a number of separate genes.

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2 years ago
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butalik [34]

Answer:

a. osteoblasts

b. osteoid

Explanation:

Osteoblasts are the fundamental cell of bone tissue. They are the cells that synthesize the bone matrix called osteoid from which it is made from the skeleton of bone fish, to the skeleton of humans. Since the bone skeleton is an evolutionary paraphiletic characteristic (it is present in several taxonomic groups that have evolved from the same ancestor).

Osteoblasts are responsible for the development and growth of bones during the juvenile stage of individuals and are also responsible for maintaining adult bone and regenerating bone when it breaks.

Osteogenesis is the process of differentiation of osteoblasts. The cells from which osteoblasts differ are called osteoprogenitors. The differentiation of osteoprogenitor cells, which come from the mesoderm, periosteum or bone marrow, is induced by growth factors called bone morphogenetic proteins (BMPs), capable of inducing the growth of bone, cartilage or connective tissue. When an osteoprogenitor cell receives a BMP signal, it quickly begins to express the genes to generate collagen, osteonectin and alkaline phosphatase, among other compounds necessary for bone growth. When the bone grows, it ends up wrapping some of the osteoblasts and they lose their ability to replicate, at that time they are dedicated to bone maintenance and not to their synthesis and are called osteocytes.

6 0
2 years ago
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klasskru [66]

Answer:

Explanation:

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they can be heterozygous. The characteristic features of autosomal recessive inheritance is as follows:-

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The given pedigree follows these features. So the correct option is 'Autosomal recessive trait'.

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Inga [223]

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see the explanation

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A classification or division essay groups objects, people, or events into categories by the characteristics that they share. Usually the writer begins with a group of people or things and then separates them into subgroups or types. There are a several steps to writing an effective division or classification essay.

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