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luda_lava [24]
3 years ago
7

Which of these is an example of climate?

Biology
2 answers:
Anika [276]3 years ago
8 0

B: An annual weather pattern

Vilka [71]3 years ago
7 0
B. An annual weather pattern
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A. Multiple organisms 
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3 years ago
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If you treated embryos with a Notch inhibitor how would this affect the specification of venous and arterial endothelial cells?
Alisiya [41]

Answer:

d. all endothelial cells would be venous

Explanation:

The Notch signaling pathway is a cell signaling system which consist basically of 4 NOTCH genes ( NOTCH1, NOTCH2, NOTCH3, and NOTCH4) each of them having the information to build a particular cell membrane receptor protein.

It has been demonstrated in zebrafish embryos that Notch signaling are highly determinant factors during vascular development, and a key function of these genes was specifically to regulate the differentiation of arterial fate in endothelial cells.

Notch signaling-deficient embryos showed a loss of expression of arterial markers such as ephrinB2 from arterial vessels with an accompanying expansion of venous markers into normally arterial domains. In contrast, embryos in which Notch signaling had been ectopically activated, meaning an activation out of "proper" place (where not expected, e.g. venous endothelial), exhibited the contrary phenotype, this is a suppression of vein-specific markers with ectopic expression of arterial markers in venous vessels.

To summarize, when Notch is supressed (in this case inhibited with a specific Notch inhibitor) arterial fate of endothelium is not followed, and venous fate is stablished. Thus, endothelial cells (those expected to form venous tissues but also arterial ones) would specified as venous.  

4 0
2 years ago
If two hybrid tall pea plants are crossed what is the probability that the offspring will have the tall phenotype?
irinina [24]

Answer:

There is a high probability that the Pea plant will have a High phenotype!

Explanation:

Because both "parent plants" are tall, this will cause the offspring to also be tall, this will be because it in it's genes or in other words DNA too be strong.

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3 years ago
Is Turritopsis dohrnii capable of bioluminescence?
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Answer:

A. Yes Turritopsis dohrnii is capable of bioluminescence.

Explanation:

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Fill in the blank. Bacteria of viruses can cause ----------- diseases. Which are increasing in occurrences geographic area, or b
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The answers is infectious
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