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shtirl [24]
3 years ago
13

Some cyanobacteria are capable of nitrogen fixation, a process that

Biology
1 answer:
nevsk [136]3 years ago
4 0
Cyanobacteria play an important role in nitrogen fixation. it contain special types of cells called heterocyst, which perform a key role in nitrogen cycle.
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A model of a portion of cellular respiration is shown here. Which of these statements is supported by the model shown here?
Igoryamba

Answer:

Explanation:

no le entiendo :'v

4 0
3 years ago
1.True or false? Gametogenesis is the same as meiosis?
Lostsunrise [7]

1. False. They are similar, though.

meiosis- A kind of cell division involving having the chromosome number. It is responsible for genetic recombination.

Gametogenesis- It's the process when gametes or germ cells are produced in an organism. They undergo meiosis to form gametes.

2. Spermatogenesis- happens in the testes of males. 4 gametes are produced. Spermatogenesis involves a metamorphosis stage called spermiogenesis. Spermatogenesis produces small, motile spermatozoa

Oogenesis- takes place in the ovary in a female. 1 gamete produced. in oogenesis there is no metamorphosis stage. In oogenesis the ovum is spherical, and isn't motile and is bigger with more food reserves and cytoplasm.

3. Because The one egg cell that results from meiosis contains most of the cytoplasm, nutrients, and organelles.

3 0
3 years ago
If you want to change the pitch of a sound, you have to change the ___ Question 7 options: volume speed amplitude frequency
charle [14.2K]

The correct answer is frequency.

The pitch can be defined as the quality of sound produced by the rate of vibration producing it.

It is directly related to the the frequency of the sound wave. If the frequency is increased then its pitch will also increase and vice versa.

As for normal people it is a bit difficult to differentiate between the two but the musician are trained so they can differentiate the difference between the two even if the difference is 2 Hz




8 0
3 years ago
100 Points plz help!!!
Andru [333]

Yeah the answer above me makes sense...

5 0
3 years ago
If round seeds is dominant to wrinkled seeds in peas, what type of stem will the offspring of a round seed plant and a wrinkled
Phoenix [80]

Since the round seed gene is the dominant gene, it follows that, a cross between  a round seed plant and a wrinkled seed plant will lead to only round seed offspring.

<h3>What is genetics?</h3>

Genetics is the science that studies the patterns of inheritance. The unit of inheritance located in the chromosome is called the gene.

Since the gene for having round seeds is dominant over the gene for having wrinkeled seeds, a cross between  a round seed plant and a wrinkled seed plant will lead to only round seed offspring.

Learn more about genetics:brainly.com/question/12985618

4 0
2 years ago
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