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AURORKA [14]
2 years ago
7

Describe the difference between a food chain and a food web.(1 point)

Biology
1 answer:
ale4655 [162]2 years ago
3 0
The first one makes more sense
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If the probability of an offspring is 50% homozygous dominant for black coat color and 50% heterozygous dominant for black coat
Molodets [167]
I believe it’s a 1:1 ratio
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3 years ago
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A scientist isolates mRNA from the cytoplasm of some mouse cells. She separately isolates the DNA from mouse cells and heats the
tatyana61 [14]

Answer:

Answer is explained below.

Explanation:

A. The  observed  single  stranded  regions  are  found  in  the  mRNA.

B. The  loops  represent  introns  (Non-coding  portions  of  the  mRNAin primary  transcript ).  The  intron  sequences  are  removed  to  form  a mature mRNA  by  splicing.

C. If  the  scientist  use  RNA  and  DNA  from  bacteria,  loops  cannot be seen. Because introns are produced in only eukaryotes but not in prokaryotes.

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3 years ago
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What five intermolecular forces of attraction are important for tertiary structure?
andreev551 [17]
Hydrogen bonding, ionic bonding, dipole-dipole interactions, and London dispersion forces!
7 0
1 year ago
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7. What is the kinetic energy of a 3-kilogram ball that is rolling at 2 meters per second?
nydimaria [60]
Kinetic energy = 0.5*M*V^2 

 Q7-
 
0.5*3*(2^2)= 6J

Q8a- 

0.5*2*(2^2)= 4J
0.5*4*(3^2)=18J 
the second ball has more kinetic energy.

Q8b-

at the max height, all the kinetic energy is converted to potential energy, 

gravitational potential energy is = M*g*h

that theory would apply if you wanted to work out the maximum height achieved if the balls were thrown upward by rearranging. But, we are simply working out which ball will have more potential energy so:

First ball:
2kg*9.81(g)*10m = 196.2J

Second ball
4kg*9.81*10m= 392.4J

The second ball has more potential energy 


5 0
2 years ago
In some bunnies, the gene for fur color is controlled by condominance. The allele for gray color is G and the allele white color
Inessa05 [86]

Answer:

Genotype gray bunnies: GG

Genotype white bunnies: WW

Genotype gray and white bunnies: GW

Explanation:

In diploid species (2n), organisms receive one gene copy (allele) from each parent. Codominance is a relationship that occurs when both alleles of the same gene show dominance. In consequence, the expression of both alleles in heterozygous individuals results in a new phenotype. In this example, the expression of G and W alleles results in a gray and white phenotype. Examples of codominance include individuals with type AB blood group in humans or the roan coat color in horses.

4 0
2 years ago
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