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densk [106]
3 years ago
6

The lungs contain a certain amount of air that cannot be forced out. this volume of air is the

Biology
1 answer:
nata0808 [166]3 years ago
6 0
This volume of air is called the residual volume.

If this helped you please leave a Thanks! Its greatly appreciated and lets me know im helping :)
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PLEASE HELP I WILL MARK BRAINALISTTTT
Ira Lisetskai [31]

Answer:

22. is a

23. is b

Explanation:

carbohydrates are made up of carbon, hydrogen, and oxygen

hope this helps :) have a nice day !!

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5 0
3 years ago
Hunger is best described as__________.
Andrews [41]

Answer:

A) a physiological desire to consume food is the correct answer.

Explanation:

  • Hunger is a feeling that the person needs food to eat.
  • Hunger makes the body weak and vulnerable to infections because the body does not get adequate food to fight against the infections and due to hunger people suffer from malnutrition and if children remain hungry they often have abnormal in their growth.
  • hunger is caused because of poverty, job instability, food shortages, poor infrastructure, nutritional quality.
  • Symptoms of hunger are:
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  • Dizziness
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8 0
3 years ago
Read 2 more answers
What forces the magma beneath to move?​
goblinko [34]

Answer:

pressure

Explanation:

the earth's tectonic plates create pressure to make the magma rise

6 0
3 years ago
13. A biochemist isolated and purified molecules needed for replication. When DNA was added, replication occurred but the DNA mo
zalisa [80]

Answer:

DNA ligase

Explanation:

DNA replication is a process whereby a particular DNA makes a copy of or synthesizes itself. It consists of several steps with some important enzymes for successful, error free replication. The various steps are as follows;

  • Unwinding of the double helix structure of the DNA and formation of replication fork. The enzyme involved here is the DNA helicase.
  • Primer, a short piece of RNA becomes synthesized and binds to the 3' end of one of the 2 strands of the DNA, the leading strand. The enzyme involved is the DNA primase.
  • Replication of the <em>leading strand</em> then proceeds with the elongation of the primer through the addition of bases in the 5' to 3' direction leading to the formation of continuous strands.
  • The other strand of the DNA, known as the <em>lagging strand </em>starts its own replication by binding with multiple primers at different regions of the strand. Bases are then added to each primer leading to the formation of several, short discontinuous DNA strands known as Okazaki fragments. The enzyme involved in the elongation process is the DNA polymerase.
  • Next is the termination of the replication process after the formation of the continuous and discontinuous strands. Exonuclease enzyme removes primers from the synthesized strands. Primers are replaced by appropriate DNA bases and the Okazaki fragments are joined to form a unified DNA strand by an enzyme known as the DNA ligase.

The many, few nucleotides long DNA segments observed by the Biochemist are the Okazaki fragments that should have been joined together by the DNA ligase.

Hence, DNA ligase must have been the component left of the mixture.

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3 years ago
Which organelle does the krebs cycle take place?
OleMash [197]
In the mitochondria of the cell
8 0
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