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Rufina [12.5K]
3 years ago
10

Which of the following are physical characteristics of blood?

Biology
1 answer:
harkovskaia [24]3 years ago
3 0

Answer: Blood is slightly more viscous then water, pH is slightly alkaline it is about 8% of ones body total body weight the rest of the options are slightly wrong.

Explanation: Blood is red in colour, a dark red when it is deoxygnated and bright red when oxygenated. Its normal pH is 7,4 making it slightly alkaline and it accounts for 8% of one's total body weight with 92% being water. Its temperatures ranges around our normal body temperature which is 37°C.

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Please answer ill give brainly
allsm [11]
Answer: C. 1.8

Steps:
25x = 45
x = 45/25
x = 1.8
5 0
3 years ago
In pea plants the allele for tall plants in dominant to the allele for short plants, and the allele for purple flower colour is
Tom [10]

Answer:

The correct answer is - 4. ttPp

Explanation:

Given - tall is dominant over short pea plant

let assume T is dominant and t is short which is recessive

Similarly, P for dominant purple flower and p for white flower

The offspring has a short plant which means it has both t allele or recessive allele for the height of a plant by the cross of a true-breeding purple and true-breeding white:

    P   P

p   Pp Pp

p   Pp Pp

This means the offspring would have a heterozygous case for the genotype of the flower of the pea plant

Thus, the correct answer is ttPp

7 0
3 years ago
How would the contractile vacuole of a freshwater amoeba respond is the organism was placed in seawater
morpeh [17]

The major function of the contractile vacuole of amoeba is osmoregulation. The solute concentration found in the cell of amoeba's cytoplasm is more than the solute concentration in the freshwater that surround the external part of the organism, thus, water enter the cell through osmosis. The contractile vacuole collect the excess water and expel it through an opening in the cell membrane. By doing this, the contractile vacuole maintains the water balance in amoeba. This how the contractile vacuole normally operate.

In a situation where amoeba is placed in seawater, then water from the cell cytoplasm will rush out of amoeba cell, because of the higher salt content of the surrounding medium. The contractile vacuole will respond to the situation by increasing its contraction and pumping water out the cell in an accelerated manner, this will lead to the shrinking of the cell.

3 0
3 years ago
Based on the organisms’ names, what can be concluded about the relation of each species to one another?
Sergeu [11.5K]

D.

Both organisms have the same genus in their scientific name meaning they are members of the same family and order.

5 0
3 years ago
girl of normal stature is born to two parents with achondroplasia who have very short stature, especially disproportionately sho
Lynna [10]

Answer:

Option D, Zero out of four (0%)

Explanation:

As we know,  achondroplasia is an autosomal dominant pattern. Now a girl having normal stature mate with a partner who also has a normal stature.

Thus let us assume -

Allele for disproportionately short arms and legs be represented by "A"

while allele for normal stature be represented by "a"

Now genotype of parents would be

Female - aa

Male - aa

Thus,

aa x aa

aa, aa, aa, aa

Thus, option D is  correct.

6 0
3 years ago
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