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Kobotan [32]
3 years ago
7

What was the purpose of the Apollo program?

Biology
2 answers:
ANTONII [103]3 years ago
7 0

Answer:

The answer is D to To put a man on the moon

Explanation:

I hope this helped :)

atroni [7]3 years ago
4 0
To put man on the moon.
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A woman produces an egg with 24 chromosomes, including 2 copies of chromosome 21. If the egg is fertilized by a normal sperm, th
Zielflug [23.3K]

Answer:

47

Explanation:

We all know that gametes like egg cell and sperm have haploid set of chromosomes but here as per this question she has produced 2 copies of chromosome 21. For the sake of maintaining haploidy, she was supposed to have only a single copy of chromosome 21 as a result of which her egg cell was supposed to have 23 chromosomes not 24.

But, this is a case of non dis-junction. Also, in a normal sperm there are no such copies of any chromosome i.e. there is a haploid set of chromosomes. It means that sperm must be having only 23 chromosomes. So we can easily infer that when the egg cell and sperm will fuse, the zygote will have 47 chromosomes (24 from egg cell and 23 from sperm).  

6 0
3 years ago
URGENT! What results would you expect to see if exercise does not increase bone mass?
Nikitich [7]

When exercise does not increase bone mass, it has been observed that the risk of bone fractures increases due to osteoporosis.

<h3>What are the benefits of exercise to bone mass and density?</h3>

Bone mass refers to the mass of the bones in a living organism as a result of the deposition of minerals within the bone.

An increase in bone mass is directly related to the strength of the bone.

Strong bones have high bone masses whereas weak bone have low bone mass.

Physical activity have been shown to improve bone mass by increase the mass of deposited minerals in the bone.

Exercise such as walking, running, jogging, and other forms of exercise have been shown to improve bone mass and hence, the strength of bones.

However, when exercise does not increase bone mass, osteoporosis is observed which results in bone fracture.

In conclusion, the strength of a bone is directly related to the bone mass which is directly related to the mass of minerals deposited within them.

Learn more about bone mass at: brainly.com/question/10561482

#SPJ1

8 0
2 years ago
How to draw a representation of binary fission
Alchen [17]

There's a great picture that I attached below that is a great representation

4 0
3 years ago
Here are the cases for you to solve remember that you just have to choose ONE of the following cases to discuss in your Case Stu
Zielflug [23.3K]

Answer:

It is known that the lungs and mouth are associated with a passage known as trachea. At the time of an infection, if there is a passage between the lungs and the mouth, the body makes a fluid known as sputum, also known as phlegm. By coughing the body is in real sense attempting to get rid of this phlegm.  

The most general pathogens, which are found in Sputum culture are Haemophilus influenzae, Streptococcus pneumonia, Mycobacterium species, and Staphylococcus aureus. In the given case by observing the symptoms demonstrated by Navin, one can presume that Navin is suffering from Tuberculosis.  

The disease is the result of Mycobacterium tuberculosis bacteria. These are the pathogenic bacteria, that comprise a mycolic acid on its cell surface. Due to the presence of this coating, it is tough to determine it with the help of Gram staining. Thus, Acid-fast staining, like Zehl-Neelsen is used.  

These bacteria are aerobic in nature and need a huge concentration of oxygen, it mainly infects the respiratory system of the mammals, and generally spreads from infected persons via sneeze, coughing, talks, or laughing. Smoking is also a supplementary element of the condition. The major symptoms of the condition are weight loss, fatigue, severe cough, no appetite, chest pain, and night sweats.  

7 0
2 years ago
1) A class collected water samples from a nearby pond and wants to observe the samples for
spayn [35]

Answer:

Compound light microscope

Explanation:

This is the ideal microscope because it requires the passage of  harmless beam of light through the specimen.Since the pond contain living creatures this is best to use.

C and D both require the transmission of beam of electrons through a sample. D depends on the reflection of the electron  after scanning the specimen surfaces and sent this to the lenses of the observer.(C)involved the  passing of the beam of electrons through the specimen the interaction of the electrons with the atoms in the specimen(,therefore in both cases  these specimens can not be wet and living.

The specimen should be dry in both cases and therefore non -living ,because the chamber for the specimen must be a vacuum,and living organism can not survive in the vacuum. Thus pond water can not be used as specimen because the specimen in the water but me be living.

4 0
2 years ago
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