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Kaylis [27]
3 years ago
5

Helpppppppppppppppppp! Meeeeeeeeeeeeeeeeeeeeee!

Biology
1 answer:
dimaraw [331]3 years ago
8 0

Answer:

D. Stem cells are often extracted from human embryos.

Explanation:

This is a major point of ethical concern and is also a root for many abortion conspiracy theories. The reason it is an ethical concern is because harvesting stem cells often times kills the embryo.

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During which period did humans first appear on Earth? Quaternary Neogene Paleogene Cenozoic
anyanavicka [17]

The answer is Neogene

Explanation:

It cannot be Cenozoic because that is an era. Not a period. Paleogene, Neogene, and Quaternary (our current period) are all periods within the Cenozoic Era (our current era). On the geologic time scale, there are Eras, Periods, and Epochs (and a few more classifications). Humans first appeared in the Miocene epoch which is an epoch in the Neogene period (in the Cenozoic era).

This is why the answer is Neogene.

Hope this helps...

5 1
3 years ago
Read 2 more answers
The endoplasmic reticulum and Golgi apparatus are both membrane-bound organelles found in eukaryotic cells. Which statement desc
snow_lady [41]

<span><span>The ER assembles proteins, and the golgi body modifies and packages them.


</span>ER Golgi apparatus, because it packages proteins received from the ER cytoplasm </span>

<span>The Golgi body are the ones that slightly alter, organize and prepare so-called parcels to be delivered for all the organelles in the cell. They receive these packages mainly in the rough endoplasmic reticulum. These packages that set out by Golgi body are macromolecules that used and synthesized by cells in many operations. If ER is absent then it would only mean that Golgi body would have no use other than simply lysosomes but these macromolecules plays a dynamic role in many organelles –nutrients, ATP and cell metabolism. It'll have a ripple effect if ER is absent in the cell.<span>
</span></span>

4 0
3 years ago
In vertebrates, which structure frequently serves as the first intermediary between the areas of the brain that perceive sensory
arlik [135]

Explanation:

sorry, I may use old terms; I believe it is at the hypothalamus, for endocrine system...

4 0
2 years ago
In a solution, the more abundant substance that dissolves another substance is known as what?
weqwewe [10]

Answer:

solvent.

Explanation:

the more abundant dissolving substance in a solution. supersaturated solution.

5 0
3 years ago
A student is going to use the above water dropper in an experiment. What is the amount of liquid in the water dropper?
katrin2010 [14]

Answer:

2ml

Explanation:

you can see that the water line is directly on the 2 so its 2 ml at the top it does show the that the water dropper tool is in ml unit

5 0
3 years ago
Read 2 more answers
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