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abruzzese [7]
3 years ago
9

Which is the best definition of a prokaryotic cell

Biology
2 answers:
Mazyrski [523]3 years ago
5 0
<span>Prokaryotes lack a distinct cell nucleus and their DNA is not organized into chromosomes. They also lack the internal structures bound by membranes called organelles, such as mitochondria.</span>
il63 [147K]3 years ago
3 0
Plant cell or lacks a <span>nucleus and membrane bound hope this helps</span>
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An actin-binding protein called cofilin binds preferentially to ADP-containing actin filaments rather than ATP-containing actin
Phantasy [73]

Answer:

Cofilin binds to older actin filaments

Explanation:

Microfilaments (also called actin filaments) are a class of protein filament common to all eukaryotic cells, which consist of two strands of subunits of the protein actin. Microfilaments form part of the cell's cytoskeleton and interact with the protein myosin in order to allow the movement of the cell. Within the cell, actin may show two different forms: monomeric G-actin and polymeric F-actin filaments. Microfilaments provide shape to the cell because these filaments can depolymerize (disassemble) and polymerize (assembly) quickly, thereby allowing the cell to change its shape. During the polymerization process, the ATP that is bound to G-actin is hydrolyzed to ADP, which is bound to F-actin. ATP-actin subunits are present at the barbed ends of the filaments, and cleavage of the ATP molecules produces highly stable filaments bound to ADP. In consequence, it is expected that cofilin binds preferentially to highly stable (older) filaments ADP-actin filaments instead of ATP-actin filaments.

4 0
2 years ago
Digestion of carbohydrate begins in the————,stop in the ————- and is completed in the ——————.
Licemer1 [7]

Answer:

begins in the mouth(ptyalin converting carbohydrate to maltose), stops in the illeum (secretion of amylase) and Is completed in the body cells(to release energy)

5 0
3 years ago
Read 2 more answers
1. Represent Relationships:
Monica [59]

Answer:Some of these include: disease, predator/prey relationships, habitat destruction and degradation, food availability, hunting pressure, and weather conditions. Deer populations are not static; they continuously change in response to many factors.

Missing: SEP ‎| Must include: SEP

Explanation:

5 0
2 years ago
Compare what life would be like living with sickle cell anemia versus living with tay sachs disease
Fantom [35]
<span>If I didn't know I had tay sachs (a genetic neurodegenerative condition), I would be terrified because of what I would perceive as a dysfunction of my brain. Once I were diagnosed with it, I would know there isn't any cure or treatment. I'd know that it would cause me to have a range of issues, such as paralysis, seizures and dementia. All of these would absolutely diminish my quality of life, both physically and emotionally, and shorten it. On the other hand, the effects on me of sickle cell anemia (a red blood cell disorder) would be comparatively less severe. It is treatable and manageable through diet, exercise, medication and other measures. The main symptions are pain, swelling and fatigue. Although the quality of my life would be significantly altered, at least I would feel I had options to mitigate its effects.</span>
4 0
2 years ago
if a zebra migrates to join a different herd of zebras is that mutation gene flow genetic drift or natural selection?
jenyasd209 [6]

Answer:

The correct answer would be gene flow.

Explanation:

Gene flow  is explained as the transfer of genes from one population to another so there is an increase in their frequency of genes.

It is also called migration. The addition or loss of people can affect the frequencies of the gene pool even if no other evolutionary mechanisms working at the time.

Thus, the correct answer would be gene flow.

4 0
2 years ago
Read 2 more answers
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