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vazorg [7]
3 years ago
9

FIRST TO ANSWER GETS 25 POINTS AND BRAINLYEST A. Describe how electricity is generated in a coal power plant.

Biology
1 answer:
Rama09 [41]3 years ago
4 0

Answer:

A.  By burning coal in a boiler to produce steam. The steam produced, under pressure, flows in a turbine, which spins a generator to create electricity

B.  Wind turns the propeller-like blades of a turbine around a rotor, which spins a generator, which creates electricity

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What gametes are produced by the following organisms:_______.
vova2212 [387]

Answer:

The correct answer would be -

1- YR, Yr, yR and yr.

2. Yr, yR

3. YR, yr

4. YR, Yr, yR & yr

Explanation:

A mature male or female haploid germ cell that fuses with another gamete of the opposite sex during the process of fertilization to make a zygote in sexual reproduction.

The law of Independent Assortment presented by Mendel says that alleles for different traits are passed and assort independently of one another in the gametes.

1. If Y and R on different chromosomes then they will produce four gametes and assort independently - YR, Yr, yR & yr.

2) If Y and R on the same chromosomes and no crossing over occurs then they will produce only two gametes as Y and R will not come together - Yr & yR.

3).  if dominant Y and recessive r are on the same chromosome, no crossing over then only two gametes will form as Y and r will not assort together - YR & yr.

4). if dominant Y and R are on the same chromosome, 50% crossing over produces 4 types of gametes, YR, Yr, yR & yr.

3 0
3 years ago
Can someone describe the main theories of intelligence​
kicyunya [14]

Answer:

The theories are grouped into four major theory types: (1) psychometric theories; (2) cognitive theories; (3) cognitive-contextual theories; and (4) biological theories.

8 0
3 years ago
When studying heredity what is the relationship of DNA bases and traits?
Lemur [1.5K]

Answer:

Heredity is the study of how traits are passed from parents to offsprings through reproduction. Off springs cells acquire the genetic information from their parents. DNA bases (A,G,C,T) determine the nucleotides that will constitute the mRNA, the mRNA nucleotides determines the codons which codes for certain amino acids. The amino acids join during translation and form peptides that then join to form proteins. These proteins include enzymes that catalyses chemical reactions for example pigments of skin and hair color are produced by enzymes. Hence, proteins highly determine the traits acquired by a given organisms and therefore, variation in a gene in terms of the bases greatly affect the proteins formed hence influencing the traits of the organisms.

Explanation:

Hope this helped Mark BRAINLIEST!!!!

3 0
3 years ago
How is a virus different from a bacterum?​
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(it would be helpful if you marked me as brainliest)  :)

Answer:

Viruses are tinier than bacteria. All viruses have is a protein coat and a core of genetic material, either RNA or DNA. Unlike bacteria, viruses can't survive without a host. They can only reproduce by attaching themselves to cells.

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3 years ago
Where would you least
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A. Mid-ocean ridge. I'm not sure if I'm right.

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