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ELEN [110]
3 years ago
11

Charlie wants to improve his fitness, he has been sedentary for the past 4 years. he is exercising 5 days per week. how many min

utes of moderate intensity cardiovascular exercise does he need to do each day (minimum) to improve his fitness? (according to acsm) nfsc 303
Biology
1 answer:
Ratling [72]3 years ago
8 0
<span>Cardiovascular exercise is important, after a prolonged break in physical activity, it is recommended to do between 30 and 45 minutes of moderate cardiovascular activity, between three and five days a week. You can also alternate low and high density workouts every day. The important thing is to allow the trained muscles to recover.</span>
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Two organisms have analogous structures. A student concluded that these organisms must have a common ancestor is the student cor
arsen [322]

Answer:

The student is wrong, just because the analogous structures of any two organism may have the same structure or even have the some relation between there way of operation or functions.

Explanation:

  • <u>Analogous Structures:</u>

As the similarity between two or more different organisms structure or any organ does not means that they have same ancestors or have the common origin from which the evolve into two different species. Now analogous structures are very much similar in there structure physically, but two different organisms may use them for the same function, which is astonishing to see or observe in way different species.

  • <u>For example:</u>

As the structure of the flipper of a Dolphin has similarity with the phalanges of a human being and with the wings of the bat. As all of them functions for the basic need of movement or locomotion from one point to another. While, all the three species are very much different in there features and are not the same obviously.

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4 0
3 years ago
PRE-LAB QUESTIONS 1. What is the difference between chemically defined and chemically complex media? Give either a clinical or e
larisa86 [58]

Answer:

Explanation a chemical define media is a media that do not contain any animal derived source as a component. It is a media whose chemical component are known. It is said to be the purest form of media for culture.

Complex Chemical media is a media whose component are not known. It includes both animals,yeast, plant source whose component are not known this Mixture makes it complex.

Example of complex media is Human Endothelial-SFM (Life Technologies), Endothelial Basal Media, EndoGRO-LS Complete

Example of chemically defined media enhancing or inhibitory effects of GSLs and sphingolipids on tyrosine kinases associated with growth factor receptors.

7 0
4 years ago
Read 2 more answers
4. For the picture can you answer 3 or 4 please Based on your knowledge about prokaryotic cells and
Lelu [443]

Answer:

For number 3:

The bacterial cell is a prokaryotic cell and the fungal cell is a eukaryotic cell.

Explanation:

I cannot see the cells to answer number 4, but for number three, bacteria is a prokaryote and fungal cells are eukaryotes. You can most likely determine this by the presence of a nucleus (a prokaryote cell will not have one where a eukaryotic cell will).

3 0
3 years ago
The process by which an rna copy is made from dna.
Finger [1]
Transcription is the process<span> by which </span>DNA<span> is </span>copied<span> (transcribed) to mRNA, which carries the information needed for protein synthesis. Transcription takes place in two broad steps. First, pre-messenger </span>RNA<span> is </span>formed<span>, with the involvement of </span>RNA<span>polymerase enzymes.</span>
3 0
3 years ago
Read 2 more answers
Identify mitochondria in an illustration of a cell.
Svetach [21]

<em>Answer: Mitochondria are found in all body cells, with the exception of a few. There are usually multiple mitochondria found in one cell, depending upon the function of that type of cell. Mitochondria are located in the cytoplasm of cells along with other organelles of the cell.</em>

3 0
3 years ago
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