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maks197457 [2]
3 years ago
7

True or False:

Biology
1 answer:
MA_775_DIABLO [31]3 years ago
6 0
I believe it's true! i hope all is well (:
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I NEED HELP ASAP I'LL MARK BRAINEIST
Mrac [35]

Answer:

The earth moves two ways. It spins and it moves around the sun. The spinning of the earth is called rotation. It takes the earth abut 24 hours, or one day, to make one complete rotation.

Explanation:

The earth moves two ways. It spins and it moves around the sun. The spinning of the earth is called rotation. It takes the earth abut 24 hours, or one day, to make one complete rotation.

5 0
2 years ago
Two protein kinases, K1 and K2, function sequentially in an intracellular signaling pathway. If either kinase contains a mutatio
Korolek [52]

Answer:

The order must be K2→K1, since the permanently active K1 allele (K1a) is able to propagate the signal onward even when its upstream activator K2 is inactive (K2i). The reverse order would have resulted in a failure to signal (K1a→K2i), since the permanently active K1a kinase would be attempting to activate a dead K2i kinase.

Explanation:

  • You characterize a double mutant cell that contains K2 with type I mutation and K1 with type II mutation.
  • You observe that the response is seen even when no extracellular signal is provided.
  • In the normal pathway, i f K1 activat es K2, we expect t his combinat ion of two m utants to show no  response with or without ext racell ular signal. This is because no matt er how active K1 i s, it would be unable to  act ivate a mutant K2 that i s an activit y defi cient. If we reverse the order, K2 activating K1, the above  observati on is valid. Therefore, in the normal signaling pathway, K2 activates K1.
7 0
3 years ago
Only individuals belonging to the same species are able to
True [87]

There are some possible answers which all mean the same thing:

- Produce fertile offspring

- Produce offspring

- Reproduce


→ Only individuals of a same species (sometimes genus) can reproduce because in order to reproduce animals need to have a similar genetic code, and there is now code more similar than the one of individuals of their own species.



Hope it helped,


BioTeacher101

6 0
3 years ago
Read 2 more answers
Within the light organ, bacteria are protected and nourished, and rapidly increase in number. At night, they provide the light n
enyata [817]

Answer:

At dawn the squid prepares to hide in the sand for the day and it ejects about 95% of the bacteria from the light organ in order to reduce or stop the growth of bacteria population in the squid. This will prevent the bacteria population from reaching a level too high for the squid to support.

7 0
3 years ago
Explain how famine, disease, and war are more likely with larger populations.​
Iteru [2.4K]
Famine- High population means more mouths to feed
Disease- Diseases usually spread more quickly with people who live closer( as it can just move from one person to the other)
War- People like to fight for land, resources, money, etc. And having more of those things mean they are more able to support families, communities, and more.

(Hope this helps a little)
7 0
3 years ago
Read 2 more answers
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