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Furkat [3]
3 years ago
7

Which of the following statements is true with respect to protonema?

Biology
1 answer:
Olegator [25]3 years ago
3 0

<span>Good Morning!
 
The protonema is the part of the plant that gives rise to the gametophytes in the bryophyte plants.
 
</span>It gives rise to gametophyte.<span>
Hugs!</span>
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A stroke damages a portion of mr. lewis's temporal lobe. his _____ memory may be damaged as a result.
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A stroke damages a portion of Mr. Lewis’s temporal lobe. His long-term memory may be damaged as a result. The inner part of the temporal lobe, which is called the medial temporal lobe, contains the limbic system. The limbic system includes the hippocampus and amygdala, which play a role in memory. The hippocampus plays a much bigger role in memory, it is responsible for the conversion of short-term to long-term memory.

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During DNA replication, several natural proofreading mechanisms are in place to prevent an error from occurring. However, errors
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Answer: Genes are responsible for coding proteins, which are needed for all of our body functions and to build our body structures. So, a mutation could affect the way a protein is made. If the error occurs in the gamete cell, it could lead to a mutation in a growing fetus. Because all cells in the body form from two fertilized gametes, this mutation may exist in all the cells of the developing baby. If it occurs in another cell, a skin cell, for example, then the mutation would be confined to the cells in the skin tone.

8 0
3 years ago
Which of the following best explains why ecosystems need a continual influx of new energy?
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Energy flows through an ecosystem and cannot be recycled. 
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3 years ago
The muscles of the digestive tract are called smooth cardiac muscles? true or false
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Smooth muscle or “involuntary muscle” consists of spindle shaped muscle cells found within the walls of organs and structures such as the esophagus, stomach, intestines, bronchi, uterus, ureters, bladder, and blood vessels.

8 0
3 years ago
Some plants increase in height due to changes in specialized regions of cells in the tips of their branches. The processes that
Nookie1986 [14]

Answer:

mitosis, cell growth, and differentiation

Explanation:

There are several ways through which plants grow which may include the process of mitosis mainly that involves cell division. The increase in height in plants is attributed to not only cell division but also growth of the newly formed cell.

Mitosis involved division of cell and in cell growth, cells increase their size that ultimately cause growth of plant height. The highly active growth cells are meristem cells that are found at tips of the plants. They are actively dividing zones of plants and with their division and growth plant increases their heights.

Another mechanism, responsible for increase in height is cell differentiation. Differentiation is the process during which cells are specialized to perform specialized function. For example: Xylem are specialized for transport of water. Phloem are specialized for the transport of food. Similarly, some cells are specialized for growth and they are aimed at increasing in size and division that ultimately increase the plant height.

So, mitosis, cell growth, and differentiation are the mechanisms, that increase plant height due to changes in specialized regions of cells in the tips of their branches.

Hope it helps!

7 0
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