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S_A_V [24]
3 years ago
9

"to improve cardiovascular fitness, _____ workout sessions per week are optimal"

Biology
1 answer:
kkurt [141]3 years ago
6 0
<span>"to improve cardiovascular fitness, 3-5 workout sessions per week are optimal". <span>Cardiovascular wellness is the capacity of the heart, platelets and lungs to supply oxygen-rich blood to the working muscle tissues and the capacity of the muscles to utilize oxygen to create vitality for development.</span></span>
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Why are frozen fossils preserved from the last ice age
pentagon [3]
Scientists are preserving the DNA for research.
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3 years ago
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A plasmid _____________________________ . A. can confer antibiotic resistance to a bacterium. B. is a single-stranded circular D
hodyreva [135]

Answer:

The correct answer will be option A.

Explanation:

The bacteria organize its genetic material in the single circular chromosome suspended in the cytosol along with additional circular double-stranded DNA molecule called plasmid.

The plasmid is present as a separate structure in the cytoplasm which performs important functions during stressful conditions in the bacteria like providing antibiotic resistance to the bacteria, formation of filial factors during conjugation and many others.

The plasmid which confers resistant to the bacteria is known as the R-plasmid. The R-plasmid consists of r-determinants which confers antibiotic resistance to the bacteria and resistance transfer factor (RTF) which helps in plasmid transfer.

Thus, option A is the correct answer.

7 0
3 years ago
In a membrane, the________of the phospholipids in one monolayer face the________of the phospholipids in the other monolayer.
matrenka [14]

In a membrane, the tail of the phospholipids in one monolayer face the tail of the phospholipids in the other monolayer.

<h3>What is cell membrane?</h3>
  • The cell membrane is a biological membrane that separates and protects the inside of all cells from the outside environment.
  • It is also known as the plasma membrane (PM), cytoplasmic membrane or plasmalemma (extracellular space).
  • The cell membrane consists of a lipid bilayer, which is made up of two layers of phospholipids interwoven with cholesterol (a lipid component) to maintain  proper membrane fluidity  at different temperatures.
  • Furthermore, membranes are composed of membrane proteins, such as those that cannot be separated across the membrane and function as membrane transporters, and peripheral proteins that simply attach to the  outer membrane of the cell and function as membrane transporters. enzymes to help the cell interact with its environment.
  • The integrated glycolipids of the outer lipid layer perform a similar function.

To learn more about the membrane, refer to the following link:

brainly.com/question/1768729

#SPJ4

3 0
1 year ago
What are deep canyons cuts by rivers a result of
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It is a result of. Erosion
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2 years ago
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Which feature separates watersheds?<br> basins<br> bays<br> ridges<br> rivers
sineoko [7]

Answer: can i pls get brainliest

i believe its river

Explanation:

A watershed is land that contributes water to a stream, river, lake, pond, wetland or other body of water. The boundary that separates one watershed from another, causing falling rain or melting snow or spring water to flow downhill in one direction or the other, is known as a “watershed divide”.

3 0
3 years ago
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