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2 years ago

Which of the following cells undergo multiple divisions for apical growth or the growth at the tips of stems?

2 answers:

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Meristematic Cells

Contains meristimatic cells, apical meristems are found in the tips of the roots and in the buds of the shoots. They supply cells for the plants to grow in length.

Apical Meristems are found in herbaceous plants, woody plants, grasses, and flowering plants.

In flowering plants, shoot apical meristem develops into an inflorescence meristem which produces the floral meristem. The floral meristem is responsible for the production of the sepals, petals, stamens, and carpels of the flower.

-Dominant- [34]2 years ago

6 0

The answer is B.) Meristematic

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In humans, the embryonic and fetal forms of hemoglobin have a higher affinity for oxygen than that of adults. Why is this the ca

Bezzdna [24]

In humans, the embryonic and the fetal forms of haemoglobin have a higher affinity for oxygen than that of adults this is because non-identical genes produce different versions of globin during development. So the correct option is A.

<h3>What is meant by oxygen affinity? </h3><h3> </h3>

The amount of oxygen delivered to the cells will depend on the haemoglobin's oxygen affinity.

Oxygen affinity is defined as the relationship between the saturation of haemoglobin oxygen, represented by SaO2 and the oxygen tension, represented by PaO2. This relationship is plotted by a dissociation curve which is S-shaped.

Thus, in the embryonic the fetal form, haemoglobin has a higher affinity for oxygen.

Therefore the correct option is A.

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1 year ago

the __________ of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.

7nadin3 [17]

The human vertebral column is also referred to as the spine or spinal column.

The body / spinous process of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.

The human vertebral column is made of up a group or collection of bones called the vertebrae.

In humans, we have a total of 33 vertebrae.

In males humans, the vertebrae are said to be 71 cm long while in females it is 61 cm long.

Therefore, the body / spinous process of a typical vertebra forms the rounded, central portion that faces anteriorly in the human vertebral column.

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1 year ago

Can y'all help me answer these question? I'm on a time crunch and have other work to do

Savatey [412]

Answer:A. a large mount of heat is released.

B.roses

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D. a four-leaf clover

Explanation:

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3 years ago

What is the advantage of producing sperm in a system of tubes rather than in a solid tissue?

trasher [3.6K]

Answer:

Explanation:

The sperms are the male gametes these develop in the testicles which are the male reproductive organs. Each testes consists of system of tubes called as seminiferous tubules. In seminiferous tubules the spermatogenesis takes place in which the development sperm cells receives nourishment for maturation.

The sperms moves from the seminiferous tubules to the duct like vas deferens from where the sperm moves to be ejected out of the body. If the sperms were produced by the solid tissue except the seminiferous tubules the movement of sperms will be restricted the ejection process may get slow down.

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2 years ago

A bar magnet is dipolar. This means it has ___ poles.

Inga [223]

The answer is C) Two. Dipolar means there are two magnetic poles charging with the same magnitude but opposite polarity.

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2 years ago