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oksano4ka [1.4K]
3 years ago
9

the positive side of a water molecule's weak attraction to the negative side of another molecule is a ___. a.) hydrogen bond b.)

solute c.) solution d.) pH
Biology
1 answer:
Gnoma [55]3 years ago
6 0
It is <span> a.) hydrogen bond</span>
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A scientist raised a species of fruit flies over several generations in separate containers. The diagram shows what
White raven [17]

Answer:

This is allopatric speciation. The organisms were separated from each other by the containers. The separation caused them to evolve to the point that they were more likely to mate with each other than with a member of another tank.

Explanation:

4 0
3 years ago
The germ cell has 2 sets of chromosomes, and the four gametes will each have one set of chromosomes. ​​​​​​​ To have enough DNA
ICE Princess25 [194]

Answer:

This question lacks options, the options are:

A. Halved

B. Doubled (x2)

C. Quadrupled (x4)

D. Octupled (x8)

The answer is B.

Explanation:

Via the process of meiosis, gametes are formed in order for sexual reproduction to occur. However, the chromosomal content of the gametes are reduced by half. According to this question, a germ cell is said to have 2 sets of chromosomes i.e. diploid, meaning that each daughter cell after meiosis will have one set of chromosome (haploid, n).

However, before any form of division can occur, the DNA (genetic material) of the cell must be replicated i.e. doubled in order to ensure that each resulting gamete has enough chromosomes. This is applicable in this question as well as the DNA in the germ cell must be DOUBLED (×2) via replication in order to have enough DNA for each gamete.

4 0
3 years ago
Genetic manipulation of a microbe to remove one or more virulence factors is a method for producing a(n) ________ vaccine.
Alecsey [184]
The term that best completes the given statement above is the word ATTENUATED. A method of producing an attenuated vaccine is through genetic manipulation of a microbe to remove one or more virulence factors. The purpose of creating attenuated vaccines is to reduce the effect of a microorganism to the body. Once the body is exposed to the said disease, it will not experience a dreadful effect done by the microorganism.
5 0
3 years ago
Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which factor ar
gavmur [86]

Competition factor are the species of birds responding to in the environment. Thus, the correct option is B.

<h3>What is competition?</h3>

If numerous bird species eat on the same tree species, there will be fierce competition for food. As a result of the competition, each species will seek out a certain portion of the plant to feed on, most likely the part of the plant where it will be easiest to outcompete the competitors for food.

As a result, we may deduce that the right response is "They have evolved to diverse niches as a result of competition."

For more information regarding competition, visit:

brainly.com/question/15525466

#SPJ1

4 0
2 years ago
Identify the true statements below.
Andrei [34K]

Answer:

The activation energy required for an exploding firework is less than the activation energy required for a burning candle.

Explanation:

I did this in class. The height of the activation is lower for the firework than the  burning candle.

3 0
2 years ago
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