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Misha Larkins [42]
3 years ago
10

"what are three examples of signals that cells may receive?"

Biology
1 answer:
blsea [12.9K]3 years ago
8 0
Hurt, bad for , sickness or in trouble
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Directions: Consider a pedigree that is tracking an autosomal recessive trait, where two recessive alleles (tt) result in the in
Talja [164]

Answer:

I think this should be the chart you were interested in...

Explanation:

                                          Individual             Shape in              shaded

                                          phenotype           pedigrees

Male with gen. TT             PTC taster             square                No

Male with gen. Tt              PTC taster             square                No

Male with gen. tt               Non-taster             square                Yes

Female with gen. TT        PTC taster              Circle                  No

Female with gen. Tt         PTC taster              Circle                  No

Female with gen. tt          Non-taster              Circle                 Yes

*gen- genotype

4 0
2 years ago
Which of the following best explains why herring gull chicks were one of the first species to exhibit the effects of pollution,
prohojiy [21]
The correct answer is A.
Toxins and various pollutants increase in concentration through the food chain in a process called biomagnification. This means that the organisms on the top of the food chain, like the herring gull, have many times greater concentration of toxins than the lower food chain level organisms because they prey on lower food chain level organisms. If a herring gull ears 100 herrings, it will have a 100x times greater concentration of toxins in its body than a herring.
6 0
3 years ago
Why do animals defend their territories?
Bond [772]

Answer:

to maintain access to food, shelter, and mates

Explanation:

4 0
3 years ago
Read 2 more answers
How do scientists use fossils to study earth history
Juli2301 [7.4K]
Scientists use fossils to study earth history by identifying the fossil and what era it came from. By knowing what era the fossil came from and what location it was found, scientists can make assumptions about the earth formation at that time.
6 0
3 years ago
if a person pulls on a cart to the right with a force of 10 Newtons and another person pulls to the left with the force of 3 New
Digiron [165]

Answer:

10N - 3N = 7N

It's been awhile since I've had to do this, so I hope this is the correct way to get the answer

Hope this helps though!

Explanation:

7 0
3 years ago
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