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ankoles [38]
3 years ago
11

Describe one problem that scientists must overcome to develop a vaccine for HIV

Biology
1 answer:
NikAS [45]3 years ago
5 0

Answer:

they must focus on it instead of focusing on useless information

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In which group is parthenogenesis a normal event?
bezimeni [28]

Answer:

Bees

Explanation:

Parthenogenesis is a method of asexual reproduction in which an egg cell develops into a new individual without fertilization. Parthenogenesis occurs in insects, amphibians, reptiles, fish, and in some plants. Most of the organisms which reproduces through parthenogenesis, they also reproduce sexually. Parthenogenesis may be occurs by apomixis and by automixis. In apomixis, egg is produced by mitosis and results into diploid clones. In automixis egg is produced by meiosis and the haploid egg develops into diploid new individual by the duplication of chromosomes. Parthenogenesis is an adaptation which allows to reproduce in adverse environmental conditions when sexual reproduction is not possible.  

5 0
3 years ago
Is the amplitude of each wave (P, ORS, T) always the same in different cardiac cycles?
Citrus2011 [14]

No the amplitude of each waves are different on different cardiac cycles.

<u>Explanation:</u>

  • The PQRST waves are used to represent the atrial and ventricular depolarization and repolarization.  These waves are reflected in ECG.  
  • In this as the series, p occupies the first place then QRS complex and at last T wave. In the QRS wave complex,  R wave is said to be the largest wave.  
  • The direction and amplitude of r wave depend on the electrical picture. The R wave represents the ventricles depolarization so it is the largest wave.
4 0
3 years ago
Producing offspring is
IRISSAK [1]

Answer:

producing ore of your own

Explanation:

offspring is from an animal or plant, like when they have babies

3 0
3 years ago
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What is the metaphor for been weevil
iragen [17]

Answer:

The scarab or dung-beetle, and the spider to some ancient symbologists

6 0
2 years ago
What factors can affect neurotransmission?
Juliette [100K]
<span>Factors that affect 'neurotransmission' are plentiful, but the most common include genetics, eating habits, exposure to chemicals, and in the case of humans, stress.</span><span>
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5 0
3 years ago
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