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yulyashka [42]
4 years ago
7

How can you tell if a cell is alive?

Biology
1 answer:
Sedaia [141]4 years ago
8 0

Normally, when a cell dies, the outside morphology changes, in other words, the cell looks different. For example, if you are growing cells that attach to a plate, when they die they are not able to attach to the bottom of the plate anymore, and they will appear floating in the medium. I am not sure of what kind of cells you are studying; if you told us it would help as to suggest ways of distinguish between live/dead cells.


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PLEASE HELP ASAP !!!!!! 40 POINTS !!!
babymother [125]

Answer:

Sexual reproduction is a process where two organisms create an offspring. It requires two parents, a sperm and an egg. Inherited traits can increase an organism's survival by having good traits such as survival skills like eating, walking etc.. It can decrease because some inherited traits might be diseases.

Explanation:

6 0
4 years ago
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Crazy boy [7]
That would be active transport
5 0
3 years ago
Take places when sex cell from two parent (one male one female) unite to form a new animal throught​
weeeeeb [17]

Answer:

Yes

Explanation:

6 0
3 years ago
1. Which of the components could be observed using a microscope in a prepared slide of "Leaf" epidermal cells but not in a prepa
grigory [225]

1. The correct answer is option (B) Component 3 and 4 only. The difference between the plant cell and an animal cell is the presence of the cell wall and the plastids called the chloroplasts in the plant cells. Cytoplasm is the jelly like substance present in both the plant cells and animal cells. Nucleus is the brain of the cell regulating the metabolic activities of the plant and animal cell. Cell membrane is the semi-permeable membrane covering all the cells.

2. The correct answer is option (D) Biomagnification leads to higher toxicity in tuna. Biomagnification is the accumulation of toxic substances at different tropic levels of the food chain. Fishes are a target of biomagnification due to the intake of the methyl mercury in them.

3. The correct answer is option (B) 1. Prokaryotic cells 2. Eukaryotic cells. The image 1 is a prokaryotic cell and the image 2 is a eukaryotic cell. Prokaryotes are the cells with primitive nucleus. They do not have a well-defined nucleus and the membrane bound organelles. Eukaryotes are the cells with a well-defined nucleus and all the membrane bound organelles.


4 0
3 years ago
The muscle in Lanes arm would best be described as which of the following?An An organ systemsystemAn An organorganAn An organism
Feliz [49]

Answer:

A tissue

Explanation:

It's not a organism, it's not an organ system because it's not, and it's not an organ so it must be a tissue

6 0
3 years ago
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