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aniked [119]
3 years ago
15

Both dna and rna are made of subunits or building blocks called

Biology
1 answer:
Trava [24]3 years ago
4 0
Sugar-phosphates and nucleotides
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Renewable resources _____.
Brrunno [24]

the answer would be A Do not run out because they are renewable


3 0
3 years ago
Which of the following statements about eukaryotic cells is NOT true
Anestetic [448]
What are the options?
8 0
3 years ago
Kingdom Animalia:
Mice21 [21]

Answer:

Eukaryotic

Prokaryotic

Unicellular

Multicellular

Autotrophic

Heterotrophic

Explanation:

-organism having nucleus

-organism without nucleus

-organism having one cell

-organism having many cell

-Organism that can make their own food

-Organism that cannot make their own food.

4 0
3 years ago
Summarize the role of the endoplasmic reticulum
Shalnov [3]
Okay so there are two types of ERs, smooth and rough.

Rough endoplasmic reticulum contain ribosomes on the outer surface. It provides large surface area for proteinsynthesis and the synthesis of glycoproteins and also provides a pathway for the transport of materials.

Smooth ER synthesises, stores and transports lipids and carbohydrates.

Hope this helps 
6 0
3 years ago
Phenytoin blocks the opening of voltage-gated na channels in neurons. therefore, this action has its primary effects on which pa
dusya [7]

Numerous antiepileptic medications, such phenytoin, have been designed to block voltage-gated sodium channels (VGSC) in neuronal membrane. In addition, multiple toxins and pharmacological modulators work by attaching to various biophysical states of the VGSC to cause their effects.  Depending on how modulatory agents act, some VGSC states are stabilized or destabilized, altering the channel's biophysical properties. The first anticonvulsant to successfully treat epileptic disorders without causing undesirable side effects such as brain drowsiness was phenytoin.

Phenytoin has been indicated to block high-frequency neuronal activity potentials from the inner vestibule of the pore, as demonstrated by electrophysiological research and site-directed mutation.

Frequency and voltage both affect phenytoin binding.

There are theories that phenytoin interferes with the late sodium current that sustains depolarizations in epilepsy by blocking non-inactivated channels.

To learn more about phenytoin click here

brainly.com/question/13386639

#SPJ4

7 0
1 year ago
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