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3 years ago

Does bacteria and algae sense and respond to stimuli?

2 answers:

8 0

Bacteria are able to sense and respond to a variety of external stimuli, with responses that vary from stimuli to stimuli and from species to species. The best-understood is chemotaxis in the model organism Escherichia coli, where the dynamics and the structure of the underlying pathway are well characterised. So YES they are able too hope this helps

Allisa [31]3 years ago

7 0

When humans taste or smell, receptors unique to each nerve cell detect the chemical and send signals to the brain, where many cells process the message to understand what we are smelling or tasting. But a bacterium is just a single cell, and it must use many different receptors to sense and interpret everything around it.

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Explain mendel's experiment with peas on inheritence of characters considering only one visible contrasting character.

m_a_m_a [10]

➜ Mendel conducted breeding experiments with garden peas:

[i] He studied plants (pure) of a tall/short varities.

[ii] He crossed them and obtained F1 progeny.

[iii] He found that F1 progeny was all tall plants.

[iv] He selfed the (hybrid) plants if F1 progeny.

[v] He found that in F2 progeny there were tall as well as short plants.

[vi] The three quarter plants were tall and one quarter was short.

(or any other contrasting character may be taken).

Note: Here, F1 means First fillial generation and F2 means Second fillial generation.

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2 years ago

Read 2 more answers

Which of the following can occur in a polar cell

Solnce55 [7]

Phospholipid can occur in a polar cell.

You can put the options for your accurate answers in comment box...

3 0

3 years ago

Need Help with these questions ASAP!!

Alborosie

Answer:

1. C. Animals on land are very different from those in the sea

2. B. The shrimp could move to a new feeding ground

3. C. 300 feet

4. Unsure, but if I were to guess C. There is a similar environment

5. C. role in the food chain

Explanation:

8 0

3 years ago

"The diagram shows the inside of a eukaryotic cell.

NARA [144]

The process which occurs in the structures that are labeled X is Kreb's cycle.
It has to do with releasing stored energy in the form of adenosine triphosphate (ATP). This is an extremely important part of metabolism and was first introduced by Hans Adolf Krebs in 1937.

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3 years ago

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What name is given to the rigid structure, found outside the plasma membrane, that surrounds and supports the bacterial cell?

Elodia [21]

3. cell wall

The cell wall is a rigid supporting structure.

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3 years ago