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Paul [167]
1 year ago
15

A germ cell and zygote represents the biological level of organization. __________

Biology
1 answer:
kompoz [17]1 year ago
6 0

Answer: Cell

Explanation:

The cell is the structural and functional unit of life. It is the the most basic level. A life starts from a single cell.

When a male and female gamete(germ cell) fuse together they form zygote. Firstly it is a single cell surviving inside the mother's womb.

Then differentiation takes place and the cell keeps on dividing to form different tissue layers and then organs form which makes a complete baby. Hence, zygote and germ cell are cellular level of organization.

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A 12-year-old boy presents to the ER complaining of right testicular pain. Symptoms began 1 hour ago. He describes the pain as a
il63 [147K]

Answer: The pathology described in the question is "testicular torsion".

The most sensitive physical exam that is specific to this pathology is testing for reflexes. The inner thigh of the affected side when rubbed should cause the testicle to contract; but in this pathology, it does not.

Explanation:

Testicular torsion is a condition caused by the twisting of the spermatic cord, which causes a loss of blood flow to the testicle. It is the leading cause of testicular loss in adolescent boys, if no surgical intervenvention is carried out as soon as possible.

6 0
1 year ago
How does the construction of dams positively affect natural resources?
Vadim26 [7]

Answer:

a)by providing water for irrigation and restoring trees to areas where forests once existed

Explanation:

:)

3 0
1 year ago
How do structures in living organisms compare with structures of nonliving things such as construction cranes, buildings, ships,
hjlf
For the answer to the question above, there is no such thing as a non-living organism. Because organisms are only a term for living things.

1. Cellular structure: all living organisms generally have a cellular structure i.e., they are made up of one or more cells. 
<span>The protoplasm is the physical basis of life. </span>

<span>There is no such fundamental and structural unit called cell in non-living things. </span>

<span>2. metabolism : The various life processes taking place within the body of an organism is collectively termed metabolism. The metabolic processes can occur only in living organisms and not in nonliving things. </span>

<span>3. growth, repair and death : Growth consists of the living organism absorbing materials entirely different from those that make up its body and convert them into body building substances. Growth in non-living substances such as crystal is at the cost of material similar to that of which it consists. Same substance is added without conversion. </span>
<span>The growth is permanent, irreversible process in living organisms but can be reversed in non-living things. </span>
<span>Growth is different in different parts of the body of an organism. Growth is uniform throughout in the non-living things. </span>

<span>Respiration, nutrition,excretion, movement,irritability, reproduction, life span, death, evolvability are other properties of a living organism.</span>
5 0
2 years ago
In the electron transport system
antoniya [11.8K]

Answer:

A. NADH and FADH2 both donate electrons at the same location.

Explanation:

In the respiratory chain, four large protein complexes inserted into the mitochondrial inner membrane transport NADH and FADH₂ electrons (formed in glycolysis and the Krebs cycle) to oxygen gas, reducing them to NAD⁺ and FAD, respectively.

These electrons have great affinity for oxygen gas and, when combined with it, reduce it to water molecules at the end of the reaction.

Oxygen gas effectively participates in cellular respiration at this stage, so its absence would imply interruption of the process.

NADH and FADH₂ electrons, when attracted to oxygen, travel a path through protein complexes, releasing energy in this process.

The energy released by the NADH and FADH₂ electrons in the respiratory chain in theory yields <u>34</u> <u>ATP</u>, however, under normal conditions an average of 26 ATP molecules is formed.

If we consider that these 26 molecules are added to the two ATP formed in glycolysis and two ATP formed in the Krebs cycle, it can be said that cellular respiration reaches a maximum yield of 30 ATP per glucose molecule, although theoretically this number was 38 ATP per glucose molecule.

5 0
2 years ago
In pea plants , yellow pod color is recessive and green pod color is dominant . A heterozygous dominant for that trait . What pe
almond37 [142]

The question is incomplete. The complete question is:

In pea plants, yellow pod color is recessive and green pod color is dominant. A heterozygous plant produced offspring with a plant that is homozygous dominant for the trait. What is a percent chance that the pea plant will have green pods.

Answer:

100%

Explanation:

Let's assume that the allele "G" gives green pod color while the allele "g" imparts yellow color to the pods. The genotype of the heterozygous plant would be "Gg". A cross between heterozygous green plant (Gg) with homozygous dominant (GG) plant would produce progeny in following ratio=

Gg x GG= 1/2 GG (green): 1/2 Gg (green)

Therefore, there are 100% chances that the progeny plant will have green pods.

3 0
2 years ago
Read 2 more answers
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