Answer:
The correct order is:
4. Mesenchymal cells aggregate.
2. Osteoblasts differentiate within mesenchymal connective tissue.
1. Clusters of osteoblasts form osteoid that becomes mineralized.
3. Spicules of bone radiate out from the ossification centers.
Answer:
Atoms have three particles: protons, electrons, and neutrons. The nucleus contains protons and neutrons. The outside regions of the atom are called the electron shells and have electrons.
Explanation:
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Answer:
Oil Immersion Higher magnification means the light is bent more. At a certain point, the light is bent so much that it can't make it through the objective lens. At that point – usually around 100x for standard lab microscopes – you'll need to put a drop of oil between your specimen and the objective lens.
Explanation:
Answer:
cumulative dilution = 0.000001
Explanation:
A serial dilution is a stepwise kind of dilution repeated a certain number of times, in which the concentration reduces exponentially each time.
The cumulative dilution is the final dilution gotten depending on the number of times dilution has been done and the dilution factor. The formula is given as:
Cumulative dilution = (F)ⁿ
where:
F = dilution factor = 0.1
n = number of serial dilutions = 6
∴ cumulative dilution = (0.1)⁶ = 0.000001
<span>The virus uses the cell to replicate itself and then moves on. The cell, after replication dies as the new virus spreads.
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