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marta [7]
3 years ago
7

What can we do to make it possible so that everyone can live off of the earths ressources

Biology
1 answer:
Pani-rosa [81]3 years ago
7 0
We could possibly use water as a fuel source, rather than fossil fuels (which are limited)

Science has already developed something of the sort, and with using water as a fuel source for say vehicles and such, it's inevitable for a positive change to happen because there would be less carbon monoxide; which means less polution.
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Please help me with 1-5
Firlakuza [10]

Answer:

1.) TT x Tt; Genotype: TT 2: Tt 2; Phenotype: 100% Tall

2.) Gg x gg; Genotype: Gg 2: gg 2; Phenotype: 50% green; 50% yellow

3.) Bb x Bb; Genotype: BB 1: Bb 2: bb 1; Phenotype: 75% brown; 25% blue

4.) Rr x rr; Genotype: Rr 2: rr 2; Phenotype: 50% Rolling tongue; 50% Can't roll tongue

5.) Bb x bb; Genotype: Bb 2: bb 2; Phenotype: 50% Black hair; 50% Blonde hair

Explanation:

Homozygous means same while heterozygous means different.

3.) If a man and a woman both have brown eyes, yet they have a child with blue eyes, both parents must be heterozygous brown.

4.) Bob is heterozygous R and Sally is homozygous r. This is because Rolling your tongue is dominant over not rolling your tongue. For Bob to be able to roll his tongue while having a mother who cannot, he must be Rr. If Sally cannot roll her tongue she must be rr.

5.) The man is heterozygous black. His wife is homozygous blonde. Black hair is dominant to blonde hair. If the man had black hair and his mother had blonde hair, he must be Bb. His wife having blonde hair means she is bb.

Hope this helps,

♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥

8 0
3 years ago
Two distinct bands appear in a single lane at the completion of an SDS-PAGE analysis of an unknown protein. Select one: a. These
Bas_tet [7]

Answer:

b. Each band represents a different-sized subunit of a multimeric protein.

Explanation:

SDS-PAGE analysis allows the separation and discrimination of proteins according to their molecular weight. The technique separates proteins in an electromagnetic field.

The SDS-PAGE technique makes proteins move in solid support -gel- by the action of the electric field. The distance reached by each protein is proportional to their molecular weight. The protein separation from a mixture results in bands that reflect their size.

SDS is a detergent that denaturalizes the protein and sets a relation charge size, such as that the motion of the protein in the gel is proportional to its weight. The bigger the protein is, the stronger interaction with the polyacrylamide gel there will be.  The speed of displacement in the electromagnetic field is inversely proportional to the protein size.

6 0
3 years ago
A student is proposing a model to compare prokaryotic cells and eukaryotic cells. The student is using string to model the cell
MissTica

Answer:

The pipe cleaners should be made circular to signify that prokaryotes do not have chromosomes

Explanation:

Prokaryotic and eukaryotic cells have a number of distinct features. Prokaryotes lack membrane-bound organelles, whereas eukaryotic cells are compartmentalised with different organelles performing different function.

As a result, prokaryotes no not possess a nucleus, where the DNA is housed in the cell. Eukaryoric DNA is organised into chromosomes. However, prokaryotic DNA is much more simple (and there is usually much less of it), and instead of forming chromosomes, it is organised into a singular, circular molecule, sometimes called the bacterial chromosome.

Therefore, the student will need to take one pipe cleaner and form a circle with it to make the bacterial DNA.

6 0
3 years ago
Read 2 more answers
Conservation groups are concerned with wild animal populations so they have pressured governments to create laws to protect them
kirza4 [7]
A ) Whaling. Because thats when the hunters go out and hunt.
3 0
3 years ago
Read 2 more answers
Is this correct or not whats the answer
UNO [17]

Answer:

Ecosystem seems to be the right answer NEVER SECOND GUESS YOUR SELF I have done it and it's the worst thing you can do

8 0
3 years ago
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