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Zanzabum
3 years ago
13

What’s the purpose of the pH scale

Biology
2 answers:
GaryK [48]3 years ago
5 0
Its a logarithmic scale that tells you how acidic or basic a substance is
loris [4]3 years ago
4 0

Answer:

to determent the solution is acid or alkalinity

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What is the space in the middle of the mitochondrion called?
topjm [15]

Answer:

It is called the Matrix (Mitochondrial matrix)

8 0
3 years ago
8. In chickens, brown feathers are dominant over red feathers. Suppose we cross two heterozygous chickens.
devlian [24]

Answer:

Crossing two chickens heterozygous for the trait feather color, when brown feathers are dominant over red feathers, will produce offspring with brown and red feathers in a brown:red phenotypic ratio of 3:1.

Explanation:

Knowing that in chickens brown feathers are the expression of the dominant allele (B) and the recessive allele is red (b), crossing two heterozygous individuals (Bb) will result in offspring that are likely to have brown or red feathers.

The cross can be represented by a Punnett Square:

<u>Bb X Bb cross </u>

alleles     B    b

B             BB Bb  

b             Bb bb

Where the result is:

<u>Genotypes</u>:  

  • Bb, 50%
  • BB, 25%
  • bb, 25%

<u>Phenotypes</u>:

  • Brown feathers, 75%
  • Red feathers, 25%.

In this case, the probability of having brown or red feathers is 3:1.

3 0
3 years ago
Blood vessels traveling within the ________ space deliver oxygen and nutrients to the spinal cord
garri49 [273]

Answer: Subarachnoid

Explanation:

The  space in the meninges below the arachnoid membrane and above the pia mater  contains the cerebrospinal fluid. Cerebrospinal fluid is produced by choriod plexus( a cluster of capillaries) from the blood. Blood vessels traveling within the subarachnoid space deliver oxygen and nutrients  to the spinal cord.  

6 0
3 years ago
Read 2 more answers
Which statement is true about compounds?
OLEGan [10]

Answer:

I think answer is D part

7 0
3 years ago
HELPPPP pls I need answer fast like flash
nordsb [41]

Answer:

and im here hi

Explanation:

was i fast enough?

6 0
3 years ago
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