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Ad libitum [116K]
3 years ago
14

How Do You "Win" At Natural Selection?

Biology
1 answer:
musickatia [10]3 years ago
5 0

Answer:

choose the best option?

Explanation:

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__________ forms a liquid cushion for cns structures. __________ forms a liquid cushion for cns structures. the pia mater cerebr
atroni [7]
Cerebrospinal Fluid

Produced by the choroid plexuses of the brain, the cerebral spinal fluid is contained in the subarachnoid cavity and spinal canal. It is reabsorbed by the arachnoid granulations.
Besides acting as a cushion for the CNS, the cerebral spinal fluid plays a critical part in the immunology of the central nervous system, blood flow in the CNS and autoregulation.

6 0
3 years ago
The β-oxidation of odd-numbered FAs presents a small problem in that once most of the oxidation has occurred, the last component
IrinaK [193]

Answer:

Maybe that your question is incomplete,  in the options following the statement listed none is correct ...

The procedures would have the following order:

1-Propionyl-CoA is converted to Methylmalonyl-CoA thanks to the enzyme Porpionyl-Carboxylase CoA which adheres to a carboxyl modifying the chemical structure (This enzyme depends on ATP, biotin and bicarbonate, to carry out the reaction).

2-Then, Methylmelanolyl-CoA is adhered to a radical, thanks to the enzyme methylmalonyl-CoA racemase, thus generating (R) -methylmalonyl-CoA as a product of the reaction.

3- And finally, (R) -methylmalonyl-CoA is converted to succinyl-CoA, an intermediate of the tricarboxylic acid cycle, by the enzyme methylmalonyl-CoA mutase, which requires cobalamin to catalyze carbon-carbon bond migration.

4-The mechanism of the methylmalonyl-CoA mutase begins with the cleavage of the bond between the 5 'of CH2-5'-deoxyadenosyl and cobalt, which is in its 3 + (III) oxidation state, which produces a 5'-radical. deoxyadenosil and cabalamin in the state of reduced oxidation Co (II)

Explanation:

Propionyl-CoA is important to know that it can come from different biological rations of the organism, such as: beta oxidation (of odd-chain fatty acids), the metabolism of isoleucine and valine and As a product of α-ketobutyric acid, which in turn it is a product of the metabolism of threonine and methionine.

8 0
3 years ago
Read 2 more answers
Which is true of genes? plz help asap
REY [17]
The answer is b because genes can control sn organisms traits
8 0
3 years ago
write 1 reason for why the pride be a positive trait, write 2 reason for why the pride be negative trait
Zina [86]
Pride can be a positive trait as it helps an individual gain confidence in their work and skills, making them more successful and happier. However, pride can be negative as it may cause one to believe they are entitled to their success, and also may cause them to treat others inferiorly. Hope this helps! :)
6 0
3 years ago
When the diaphragm and external intercostal muscles contract, it
ivann1987 [24]

Answer:

The correct answer is: lets the air get inside the lungs.

Explanation:

The process of ventilation, or breathing, consists of two parts: <u>inhaling and exhaling.</u>

Inhaling is the name of the process that is responsible for the air entering the body by the respiratory tract. Exhaling is the opposite, it lets the air out. Both are equally important since they allow the gas exchange necessary for the oxygenation of the blood.

When inhaling, the diaphragm and the external intercostal muscles contract. This pulls the ribcage upwards and outwards, which increases lung volume while decreasing the air pressure inside.

7 0
3 years ago
Read 2 more answers
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