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STALIN [3.7K]
3 years ago
9

Which of the following is true?

Biology
2 answers:
jonny [76]3 years ago
8 0

Answer:

d i believe

Explanation:

PIT_PIT [208]3 years ago
4 0

Answer:

The correct answer is: D.  Cells from different organs may have similar structures.

Explanation:

Every cell in an organism has something in common: its genetic information. Genetic information, in form of DNA, is stored in the nucleus of every cell.

<u>According to the needs of every specific cell, different segments of the DNA are used to synthesize proteins that are useful for that cell.</u> For example, a hepatocyte (cell in the liver) does not have the same proteins as a neuron (nervous cell) because their functions are hugely different, BUT they do share the same genetic information.

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  • Given the remarkable cardioprotective efficacy of dexrazoxane, this suggested mechanism has gained a lot of traction (ICRF-187).

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4 0
1 year ago
Plz answer ASAP
natulia [17]
Casein wrappers// basically made out of a milk fiber, i’m pretty sure it’s edible
8 0
3 years ago
Which of the following illustrates how fossil fuels can be conserved?
mina [271]
The answer would be C
8 0
3 years ago
Read 2 more answers
Does geographic distance between salamander populations increase their reproductive isolation? To answer this question, research
Nataly_w [17]

Question: Does geographic distance between salamander populations increase their reproductive isolation?  To answer this question, researchers studied populations of the dusky salamander (Desmognathus ochrophaeus) living on different mountain ranges in the southern Appalachian Mountains.  The researchers tested the reproductive isolation of pairs of salamander populations by leaving one male and one female together and later checking the females for the presence of sperm. Four mating combinations were tested for each pair of populations (A and B)—two within the same population (female A with male A and female B with male B) and two between populations (female A with male B and female B with male A).  The proportion of successful matings for each mating combination was measured. For example, when all the matings of a particular combination were successful, the researchers gave it a value of 1; when none of the matings were successful, they gave it a value of 0. Then the researchers calculated an index of reproductive isolation that ranged from 0 (no isolation) to 2 (full isolation). The reproductive isolation value for two populations is the sum of the proportion of successful matings of each type within populations (AA + BB) minus the sum of the proportion of successful matings of each type between populations (AB + BA).

The table (Figure 1) provides data for the geographic distances and reproductive isolation values for 27 pairs of dusky salamander populations.

Part A - Understanding experimental design

What hypothesis did the researchers test in this study?

Answer:

"Reproductive isolation increases with geographic distance between dusky salamander populations"

Explanation:

The mechanisms of reproductive isolation are a assemblage of evolutionary mechanisms, behaviors and physiological procedures dangerous for speciation. They avert followers of dissimilar types from manufacturing offspring, or confirm that any offspring are germ-free. While in allopatric speciation the reproductive isolation is resolute superficially by the spatial isolation of populations, during sympatric speciation specific groups of persons create distinct mating organizations with self-like persons while distribution the similar home with the rest of the unique inhabitants.

3 0
3 years ago
Help guys please idk nothing about it
ValentinkaMS [17]
Cos they dont have vascular structure that can defeat gravity and transport water and minerals
4 0
3 years ago
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