Anyone help please lord please

Biology

1 answer:

Scilla [17]2 years ago

3 0

Answer:

Explanation:

Gram positive stains are purple; gram negative are pink; cocci bacteria are spherical; the other is rod. There you go!

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Identify the major chromosomal abnormalities and their causes (eg. down's syndrome, turner's syndrome, klinefelter's syndrome, c

My name is Ann [436]

Chromosome defect lot of became syndrome.
it's lot of cause

8 0

3 years ago

I need help on this Asap. i also need an explanation to go with the answer.

Anna35 [415]

Answer:

For question 20. I believe the answer is C. There would be more iguanas with webbed feet.

Explanation:

It states the iguanas have adapted to different habitats on the island. The iguanas that have webbed feet will be better at getting food in water, but slower on land. So if the land starts to disappear and turns into more water, the iguanas with webbed feet will have a higher chance of survival. Meaning the iguanas with out webbed feet will die out as a population.

5 0

2 years ago

calcium signaling in individual app/ps1 mouse dentate gyrus astrocytes increases ex vivo with aβ pathology and age without affec

irakobra [83]

Astrocytes are a group of cells with functional characteristics and distinctive morphological that vary within specific areas of the brain.

For healthy brain function, astrocytes are essential. those become reactive in the case of Alzheimer's disease, which impacts the signaling properties. while experimenting, there was the measurement for instinctive calcium transients ex vivo in hippocampal astrocytes in brain slices containing the dentate gyrus of 9-month-old and 6-month-old APPswe/PSEN1dE9 mice. when they investigated the duration of calcium transients and frequency concerning amyloid-β (Aβ) pathology, the proximity of the astrocyte to Aβ plaques, and aging. there was no change in spontaneous calcium-transient properties of 6M APP/PS1 astrocytes compared to wild-type astrocytes, whereas there was hyperactivity in 9M APP/PS1 astrocytes compared to wild -type, which were longer in duration, also there was an effect of aging too, there was an increase in calcium in the 9-month astrocytes than to the 6-month astrocytes, also there was an increase in the calcium waves in the 9-month astrocytes because of the increase network activity. The findings were that the change in calcium signaling in individual astrocytes of APP/PS1 mice is because of both pathology and aging but these don't have any impact on changes in the astrocyte network activity, which leads to helping to understand changes in neuronal physiology.