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julsineya [31]
3 years ago
13

Help please due tomorrow!!

Biology
1 answer:
valentina_108 [34]3 years ago
7 0

Answer:

Y- x+ Y-

Explanation:

when an atom loses electrons the atom the result is a positive ion. when an atom gains an electron, the result is a negative ion

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Identify a structure other than a cell wall or a vacuole that might be found in a plant cell but not in an animal cell. explain
enot [183]
One structure that can be found is most plant cells is chloroplast. A plant cell may have around 0 to 20 chloroplast, depending on their location in plant or their function.

Chloroplast is the structure that photosynthesis occurs. Photosynthesis is the method that plant make food for themselves. They turn sunlight into food such as starch.

Plants are autotrophs, which means they make food themselves, they don't need food from other sources like animals. Therefore, chloroplast is not found in animal cells because we are heterotrophs, we feed on other food.
4 0
3 years ago
A cell has a defect in its receptor for growth factors, preventing growth factors from attaching to and signalling the cell. Bas
morpeh [17]

Answer:

Option B

Explanation:

B. The cell will grow uncontrollably and continue to divide as long as it has food.

Cell growth is theeoretically stimulated by the binding of growth factors to their receptors using signaling pathways.

These pathways are regulated by proteins which are encoded for in the genes.

The gene that controls the regulation of these pathway when mutated produce malfunctioning signaling protein thus not allow for regulations of the cell cycle causing uncontrollable cell division. These mutated genes are called oncogenes.

4 0
3 years ago
BRAINLIESTTT ASAP!!!!
Over [174]

When the cells undergo late apoptosis, the membrane structure is destroyed and the nuclear structure can be selectively visualized by Hoechst 33342/PI.

https://www.creative-bioarray.com/support/double-staining-apoptosis-assay-hoechst33342-pi.htm

4 0
3 years ago
If an organism does not have its own means of locomotion and it produces new cells out of inorganic materials through the photos
Travka [436]

The organism is a plant.

Plants are photosynthetic and autotrophic organisms, characterized by plant cells containing chlorophyll. The plants do not have locomation devices and are therefore immobile.

Photyosynthesis starts from inorganic ingredients (CO2 and H2O) to give an organic molecule (glucose) and oxygen at the end.

8 0
3 years ago
Protein synthesis can be compared to building a doghouse. Sondra wanted to build a doghouse and found a book in the reference se
Nimfa-mama [501]

The correct answer is mRNA.

mRNA or messenger RNA is synthesized during the process of transcription, from DNA molecule which is used as a template. mRNA contains information about protein synthesis (translation) in the form of nucleotide triplets or codons.

In the example above: reference book is DNA molecule (template for copies), copies are mRNA, wood is amino acids (building blocks) and doghouse is protein.

5 0
4 years ago
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