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lianna [129]
3 years ago
9

Cladogram worksheet key

Biology
1 answer:
balu736 [363]3 years ago
3 0

Answer:

There is nothing here

Explanation:

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Which statement about the factors that affect the affinity of hemoglobin for oxygen are FALSE? Group of answer choices Decreased
adoni [48]

Answer:

CO2 increases the affinity of oxygen for hemoglobin so that hemoglobin binds oxygen more strongly

Explanation:

Hemoglobin (Hb) is a protein found in red blood cells that functions to transport oxygen (O2) to the tissues. This protein has four subunits and each subunit binds to a heme group. Each heme group in Hb contains an iron atom that binds to one O2 molecule. The affinity of hemoglobin for O2 is a critical mechanism that is dependent on the ability of Hb to carry O2 molecules. Hb is fully saturated with O2 when all of its four O2-binding sites are occupied. Moreoever, the O2-hemoglobin dissociation curve is a plot of saturation of Hb regarding the partial pressure of O2 (PO2). A rightward shift in the curve indicates that Hb has a decreased affinity for O2, while a leftward shift in the curve indicates that Hb has an increased affinity for O2. As CO2 concentration increases, hemoglobin's affinity for O2 decreases, thereby Hb binds to O2 less tightly at heme group sites and therefore the dissociation curve shifts to the right.

6 0
3 years ago
Identify the stage of mitosis where the chromatids line up on the equator of the cell
jok3333 [9.3K]
The stages of mitosis are:
1. Prophase
2. Metaphase
3. Anaphase
4. Telophase<span>

Prophase
This is when the </span><span>centrioles separate and move to opposing sides of the cell.

Metaphase
This is when the chromosomes line up in the center of the cell and become connected.

Anaphase
This is when the</span><span> "sister" chromatids separate into individual chromosomes and are pulled apart.

Telophase
This is the last phase of mitosis, when chromosomes gather at opposite ends of the cell and new nuclear membranes form.

The answer is metaphase, because that is when the chromatids line up in the center of the cell.

Answer:
Metaphase</span>
4 0
3 years ago
Some fruits and vegetables turn brown when peeled because they contain the enzyme catecholase, which catalyzes a reaction betwee
Ronch [10]

Answer:

Explanation:

lemons contain antioxidants which prevent the fruits from browning

4 0
3 years ago
Read 2 more answers
PLZZZZZZZZZZZZZZ ANSWER! Through the process of mitosis, the nucleus divides to form _____ new nuclei, each containing _____ num
vazorg [7]
<h2>Answer:</h2>

The correct option is A (2; the same).

Through the process of mitosis, the nucleus divides to form <u>2</u> new nuclei, each containing <u>the same</u> number and type of chromosomes as the original.

<h3>Explanation:</h3>

Mitosis is the type of cell division cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

According to above definition, First option proves to be correct.


6 0
3 years ago
Why can inbreeding be potentially harmful to populations? Check all that apply. Negative traits, such as diseases, may build up
Mazyrski [523]

Answer:

Negatives traits, such as diseases, may build up in the population.

Useful traits may be "bred out" of the population.

The population becomes weaker and less resilient.

3 0
3 years ago
Read 2 more answers
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