Which is not part of the cell theory?

Lymph originates and ends in blood justify

xenn [34]

Answer:

<h2>Since the lymph is derived from the interstitial fluid, its composition continually changes, because the blood and the surrounding cells continually exchange substances with the interstitial fluid. It is </h2><h2>generally similar to blood plasma, which is the fluid component of blood.</h2>

Explanation:

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5 0

3 years ago

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What is unique about the dna of a prokaryote?

kkurt [141]

✧･ﾟ: *✧･ﾟ:* *:･ﾟ✧*:･ﾟ✧

Hello!

✧･ﾟ: *✧･ﾟ:* *:･ﾟ✧*:･ﾟ✧

❖ Prokaryotic DNA isn't surrounded by a membrane like Eukaryotic DNA is. The DNA in a prokaryotic cell floats around freely.

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

4 0

3 years ago

Interphase must occur once before meiosis can happen. (Same thing for mitosis). What would happen if interphase didn’t occur fir

Olenka [21]

During interphase DNA is copied. So if there was no interphase, the new cells wouldn't have enough DNA.

7 0

3 years ago

Biologists sometimes say that “natural selection depends on the specific environment where a species lives.” What does this stat

denis23 [38]

Answer: Natural selection is one of the forces of evolution and the enviroment where the species lives is the selection agent. For example, suppose a mosquitoes population in a environment free from insecticides, in this environment there's a high frequency of non-resistant mosquitoes because the environment is not exerting any pressure on the resistence trait. But when the environment changes and we use a insecticide upon the mosquitoes population, the populations changes because the non-resistant ones die but those resistant survive and beggin to reproduce more effectively. That's natural selection, differences in survival and reproduction between individuals with different phenotypes (traits) and this differences depend of environmental changes.

8 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

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7 0

2 years ago