What is the event of prophase

1 answer:

6 0

The main events of prophase are: the condensation of chromosomes, the movement of the centrosomes, the formation of the mitotic spindle, and the beginning of nucleoli break down.

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The biggest difference between elements and molecules is that elements only have one TYPE of atom, while molecules have MULTIPLE

Tpy6a [65]

Answer:

the answer is true

Explanation:

el3m3nt is pure substance and is only made up of one type of atom it cabt be broken down into simpler substance

molecules form when two or more atoms form chemical bonds with eachother

5 0

2 years ago

In both cellular respiration and photosynthesis, a(n)_________ built into a membrane pumps H+ across the membrane as electrons a

Nikitich [7]

Answer:

Electron Transport Chain

Explanation:

Electron transport Chain (ETC) is utilized both in cellular respiration and photosynthesis. In cellular respiration, it is a later stage whereas in photosynthesis it occurs earlier.

Electrons are passed through various complexes or electron carriers in ETC. During this process simultaneous oxidation and reduction of various molecules takes place. H+ gradient is generated across the membrane which is utilized by ATP synthase to generate ATP from ADP. While ATP is the final product in cellular respiration, in photosynthesis it is used to produce sugar molecule in the next stage which is Calvin cycle.

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2 years ago

Which plants produce seeds?

Bas_tet [7]

Answer:

C. Angiosperms and Conifers

Angiosperms:

A plant that has flowers and produces seeds enclosed within a carpel. The angiosperms are a large group and include herbaceous plants, shrubs, grasses, and most trees.

Conifers:

A tree that bears cones and needle-like or scale-like leaves that are typically evergreen. Conifers are of major importance as the source of softwood, and also supply resins and turpentine.

Hope this helps you out! Took some time to do this, maybe a brainliest? Sorry for asking! Have a good day!!

8 0

2 years ago

Which of the following information could be included in the description of a grasshopper’s niche, but not in a description of it

Ivan

The niche of grasshopper would include the plant species it eats.

Explanation:

The niche of an organism is different to that of a habitat. A niche includes the interaction between organisms and the food that they eat, whereas, a habitat is a place where organisms are provided with food, protection and shelter.

Habitat is a place of ecosystem that involves other environmental factors like- rain, sunlight, humidity etc. So, food type eaten by grasshopper would be the description of a niche and not a habitat.

4 0

2 years ago

Imagine that a researcher is examining the positioning of synaptic clefts in a region of the nervous system of adult mice. In on

Setler [38]

This is likely a mutant mouse (as synaptic clefts are typically 10 to 20 nm wide). Given that neurotransmitters act over short distances, this mouse may demonstrate delayed responses to stimuli, or no responses at all.

That’s the answer

4 0

3 years ago