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marin [14]
2 years ago
12

I need help with question #1

Biology
2 answers:
Papessa [141]2 years ago
7 0

Answer:Difference Between Mass and Density. ... Mass is the quantity of matter while volume is the measure of space occupied by the object. The ratio of these two aspects of the matter is known as density. The measurement unit of mass is a kilogram, whereas the density is measured in kilogram per cubic mete

Explanation:

lara [203]2 years ago
3 0
Difference Between Mass and Density. ... Mass is the quantity of matter while volume is the measure of space occupied by the object. The ratio of these two aspects of the matter is known as density. The measurement unit of mass is a kilogram, whereas the density is measured in kilogram per cubic meter.
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If a parent cell has 46 chromosomes, how many chromosomes will be present in each daughter cell after mitosis? (Multiple choice)
Aleksandr [31]

Answer:

23

Explanation:

46 unreplicated chromosomes- called daughter chromosomes - each one is essentially a chromatid. The parent cell had 46 double chromosomes (2 chromatids each)  -  which split into two in mitosis. This means that we need to divide 46 by 2 and we get 23.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

7 0
2 years ago
Read 2 more answers
In Drosophila, genes a and b control body size and color, respectively. Large body (a+) is dominant over miniature (a), and gray
frutty [35]

Answer:

1

Female gametes:

ab= 0%

ab+=0%

a+b=0%

a+b+=0%

for the miniature phenotype to occur, it is necessary to contain two recessive characters and the female must have both for it to occur, if it is homozygous for b + it will have 2 alleles b +, understanding that the female is aab + b it will only occur gametes ab +

.

2. Phenotype

Miniature body + gray=25%

Large body +gray = 50%

Large body +ebony = 25%

Miniature body +ebony =0%

As the crossing cannot occur in males, the gametes it can produce are: ab + and a + b. Although the crossing can occur in women. The gametes produced are: ab +, a + b, ab and a + b +.

the crossing occurs only in the females generating the gametes ab +, a + b, ab and a + b +

The genotypes corresponding to:

Punnet graphic

large gray body: a + ab + b, a + ab + b +, a + a + b + b

big body and ebony: a + a + bb, a + abb

miniature and gray body: aab + b +, aab + b

6 0
3 years ago
In a river, large boulders are transported by _____. A. Solution B. Traction C. Suspension D. Abrasion
erma4kov [3.2K]
The correct answer is B. Traction
7 0
3 years ago
Read 2 more answers
Every chemical element goes through natural exponential decay, which means that over time its atoms fall apart. The speed of eac
yKpoI14uk [10]

Answer:

t = ln (N/N°)/(-0.0239)

Explanation :

The decay law is represented as

N = N°e^-kt

Where N is the final number of atom,

N° is the initial number of atoms

k is the decay constant

t is the half-life.

From the above we have,

N/N° = e^-kt

take ln of both sides

ln (N/N°) = -kt

t = ln(N/N°)/-k

At half life, N/N° = 1/2

Therefore, t = (ln 1/2)/-k

t = -0.693/-k

But t = 29 sec

29 = -0.693/-k

k = 0.0239 s^-1

Therefore,

The formula will be

t = ln (N/N°)/(-0.0239)

5 0
3 years ago
Read 2 more answers
How do two monosaccharides combine to form a disaccharide?
disa [49]

Answer:

A monosaccharide is made of a 6-carbon cyclic ring. 5 out of the 6 form part of the ring while the other carbon acts as a side group of the 5’ carbon in the ring. When forming a disaccharide with the next monosaccharide, the OH of the 1’ C of one monomer undergoes a condensation reaction with the OH of the 5’ C of the next monomer. This results in the formation of a glycosidic bond and the loss of a water molecule.

6 0
3 years ago
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