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zheka24 [161]
3 years ago
12

a person with brown eyes mates with a person that has brown eyes; they end having a baby with blue eyes. was the brown eyed indi

vidual heterozygous​? use a punnett square to support your answer

Biology
1 answer:
mariarad [96]3 years ago
4 0
The answer is BB for the punnet square.
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inhibition is a mechanism of succession in which Group of answer choices the arrival of one species at a site affects the subseq
Stolb23 [73]

Answer:

option B: one species decreases the probability that a second species will become established

Explanation:

Inhibition as a mechanism of succession occurs when some early species which could also include pioneer species make the site less suitable for the development of other species and do not allow them to become established and grow. When eventually these early species die, other species that were hindered will subsequently grow and become established gradually giving rise to a climax community.

6 0
3 years ago
1) The molecule that serves as the major source of readily available fuel for neurons and blood cells is ________.
Talja [164]
Glucose, your answer would be B.
7 0
3 years ago
In cellular reproduction, ___ ALWAYS occurs in 5’ to 3’ direction
attashe74 [19]

Answer:

DNA replication

Explanation:

DNA replication is the process whereby the genetic material (DNA) duplicates itself into two identical copies. This process must occur prior to any cellular division (meiosis or mitosis) in order to ascertain that each daughter cell gets an even and correct amount of DNA.

The process of DNA replication begins with the unwinding of the double stranded DNA molecule into two single strands of DNA. One strand called leading strand runs from 3'-5' while the other strand runs from 5'-3'. However, DNA replication proceeds in the 5'-3' direction.

4 0
3 years ago
Which is an example of a scientist using a physical model to describe the solar system?
Elza [17]

Answer:

D. The scientist uses tennis balls to show the position of the planets and Sun.

Explanation:

In a layman's terms, the solar system is a system consisting of the sun and the planets that orbits around it. These planets are as follows; Mercury, Mars, Earth, Saturn, Venus, Jupiter, Neptune, Uranus etc.

According to this question, using a physical model to represent or describe the solar system means the use of physical objects that can easily be seen or identified. Based on this explanation, the use of tennis balls to show the position of the planets and Sun suits the physical model description of our solar system.

8 0
3 years ago
Tina used 500 N of force to move a desk. The desk weighed 300 N, and she
larisa86 [58]

Answer:

The correct answer is - C. Multiply 500 by 1.5.

Explanation:

Given:

Force to move a desk = 500 N

weight of desk = 300 N

displacement = 1.5 meters

work done by Tine = ?

Formula:

work done (W) = F*d

where F is the force applied on the desk and d is the displacement of the desk.

Solution:

As the displacement is perpendicular to the weight of the desk, therefore, the work done by weight is zero. The work done to the displacement of the desk would be =

W = F*d

= 500*1.5

= 750 J

Thus, the correct answer would be option C.

6 0
3 years ago
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