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3 years ago

Need answers for this Thanks

Biology

1 answer:

lara [203]3 years ago

4 0

Answer:

IT is going to be the color purple since there is no sunlight hitting tube A which means no carbon dioxide

Explanation:

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Brown coat color rabbits possess the dominant allele B, and white coat color rabbits possess the recessive allele b. If the freq

PolarNik [594]

Assuming Hardy-Weinberg equilbrium, we have

p + q = 1

where p = frequency of dominant allele and q = frequency of recessive allele. So

p = 1 - q = 1 - 0.04 = 0.96

Consequently we have

• p² = 0.9216 = frequency of hom ozygous domininant genotype

• pq = 0.0768 = frequency of heterozygous genotype

• q² = 0.0016 = frequency of hom ozygous recessive genotype

since

p² + 2pq + q² = 1

3 0

2 years ago

Match the following: 1. the continuous movement of water between the Earth's surface and the atmosphere lead 2. pollutes water s

Nat2105 [25]

Answer:

Explanation:

1. Hydrological cycle: the continuous movement of water between the Earth's surface and the atmosphere.

2. Industry: pollutes water sources by dumping wastes in rivers, streams, and oceans.

3. Sewage: the leading cause of water contamination in countries without water treatment plants.

4. Agriculture: a source of water pollution caused by the overuse of pesticides and fertilizers.

5. Eutrophication: caused by an overabundance of organic matter in water supplies.

6. Putrefaction: the decomposition of organic matter by microorganisms

7. Pesticides: a chemical pollutant that can enter the water cycle through agricultural or domestic use.

8. Petroleum: can cause the contamination of underground water supplies if poured on the ground

9. Lead: a metal that leaks into water supplies via the soil or aging water systems.

10. Humoral immunity: depends upon the production of disease-specific antibodies to destroy harmful bacteria.

11. Stimulants: increases the activity of the central nervous system.

12. Depressants: reduces the activity of the central nervous system.

13. Bacterial infection: caused by the reproduction of a small infectious agent, which produces poisons that destroy cells

3 0

3 years ago

life cycles of sexually producing organisms involve the alternation of haploid and diploid stages true/false

kolbaska11 [484]

Answer:

True

Explanation:

<em>The life cycles of sexually producing organisms generally involve alternation between the haploid and diploid generations.</em>

<u>Sexual reproduction involves the fusion of gametes - fertilization. The gametes are haploid (n) and are usually formed by the reductional division (meiosis) of diploid (2n) sex cells. </u>

Haploid gametes represent the haploid stage of the life cycles of sexually reproducing organisms. During fertilization, the male and female gametes fuse together to form a diploid zygote. The zygote then continues to divide equationally (mitosis) and differentiates to give rise to a baby and eventually to either male or female adult organism.

8 0

3 years ago

terry physics pushes a 75kg lab cart so that is accelerates from rest with a velocity of 4.4m/s in 3.1 secounds. what is the for

svetlana [45]

106.5N

Explanation:

Given parameters:

Mass of cart = 75kg

Velocity = 4.4m/s

time taken = 3.1s

Unknown:

Force = ?

Solution:

To solve this problem, we are going to apply newton's second law of motion. The law states that "the acceleration of a body is directly proportional to the force on the body and inversely proportional to the mass".

F = m x a

F = force on body

m = mass of body

a = acceleration of the body

But we know that acceleration is the change in velocity with time of a body;

a = $\frac{change in velocity }{time}$