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julia-pushkina [17]
3 years ago
10

What is the function of the septum

Biology
1 answer:
Ber [7]3 years ago
7 0

There are several septum's within the body. The term septum simply just means, a divide between two things. If you are referring to the cardiac septum; which separate the heart into left and right sides. There is a top portion of the septum which is called the atrial septum and the bottom portion of the septum; which is called the ventricular septum. They typically keep the deoxygenated blood and the oxygenated blood separated from each other.

If you're referring to the nasal septum, the nasal septum acts as a pathway stabilizer to make sure that the air we breathe in is not "lost" and gets resistance going into our lungs.

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A dollar weed species has become resistant to a particular weed killer. What happens to the percentage of dollar weed offspring
Nezavi [6.7K]

Answer:

A. The percentage will increase

Explanation:

If the species is becoming resistant to the weed killer, natural selection will cause future generations to become resistant as well, therefore the percentage of resistant dollar weed will increase. Also I took the test lol.

4 0
2 years ago
Which best describes a chromosomal deletion?
g100num [7]

Chromosomal deletion is the loss of genetic code, caused by a segment of chromosome breaking away during DNA replication. The best answer is the third one, "when part of a chromosome breaks off and does not reattach."

4 0
2 years ago
All the biological macromolecules contain carbon, hydrogen and oxygen. However, most do not contain nitrogen. The category that
topjm [15]

Answer:

A. lipids

Explanation:

8 0
3 years ago
For each region of the lac operon on the F' plasmid, I+ P+ Oc Z− Y+ , determine whether the region is wild type (that is, it pro
UNO [17]

Answer:

A,B and E

Explanation:

  • I+: I refers to the lac repressor, the + indicates that the repressor is functional
  • P+:  P refers to the promoter region and the + indicates that the promoter is functional
  • Oc:  O refers to the operator region, but the Oc indicates that the operator is constitutive ie. that it is always on/ can't be turned off.
  • Z-: Z refers to the LacZ gene which produces β-galactosidase. Z- indicates that this gene is non-functional
  • Y+:  Y refers to the LacY gene which produces the permease protein. Y+ indicates that this gene is functional

So based on the breakdown above:

  • A is true because P+.
  • B is true because I+.
  • C is not true because the lac operon is an inducible system. The operator needs to be able to be repressed. In this case the operator is constitutive (always on)  which is not the correct form.
  • D is not true because Z-, no β-galactosidase is produced.
  • E is true because Y+.

Only A, B and E apply.

6 0
2 years ago
Roads are sometimes salted in the winter to prevent ice build up. When the ice and snow melt, the water can also carry salt off
valkas [14]

Answer:

See the answer below

Explanation:

<em>When the salt water resulting from using salt to thaw ice and snow is washed off the road, the nearby plants along the roadside would be subjected to osmotic stress due to the lower water potential of the soil water when compared to that of their cells. Consequently, the plants are expected to lose water to the surrounding salt solution until an equilibrium is established between their cytosols and the soil solution. </em>

6 0
3 years ago
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