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Leno4ka [110]
3 years ago
15

Organism obtain food by filtering water

Biology
2 answers:
julia-pushkina [17]3 years ago
8 0
Is this a true or false?
goldfiish [28.3K]3 years ago
6 0
I don't get the question describe it a little more for me please.<span />
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Sound waves travel through gas liquid and solids A) True B) False
Novay_Z [31]

Answer:

True.

Explanation:

  • Sound is a form of Energy that produces a sensation of hearing in our ears.
  • Sound is produced as a result of vibration produced in a body.
  • Sound energy is transmitted from one place o other place by wave motion.
  • When a body vibrates, the particles of medium surrounding it starts vibrating about their mean position.
  • During vibration, they collide with the surrounding particle and transfer some energy to them.
  • They then start vibrating faster and transferring  energy to the next surrounding particle. This process continues till the vibration reaches a person ear.
  • Thus, particles are an important factor in propagation of sound.
  • Sound cannot travel in vacuum.
  • It requires a medium to travel from one point to another.
  • A sound can travel in all medium, solids, liquids and gases as all of these have particles.
  • The speed of sound is highest in solids and lowest in gases as the inter molecular space is largest in gases and smallest  in solids.
4 0
3 years ago
In a dihybid cross, what does observing a ratio of 9:3:3:1 indicate?
Shtirlitz [24]

Answer:

Mendel's principle of independent assortment predicts that the alleles of the two genes will be independently distributed into gametes. ... This 9:3:3:1 phenotypic ratio is the classic Mendelian ratio for a dihybrid cross in which the alleles of two different genes assort independently into gametes.

Explanation:

8 0
3 years ago
When cells are metabolically active but not dividing, they are in the ________ phase. when cells are metabolically active but no
Mars2501 [29]
The answer is lag. The number of bacterial cells doubles at a constant, exponential rate during log phase, while growth rate and death rate are the same during stationary phase. The fourth phase is the death phase, when the rate of cell death is faster than the population growth. 
3 0
4 years ago
Read 2 more answers
A recessive allele inherited in a Mendelian manner causes the disease cystic fibrosis. A phenotypically normal man whose father
igor_vitrenko [27]

Answer:

The chance that the couple's first child will have cysitc fibrosis is equal to  0.005

Explanation:

The probability of man having cystic fibrosis is equal to 100 percent

The probability of his wife having cystic fibrosis is equal to  \frac{1}{50}

In case if both have them allele for cystic fibrosis, then the probability of their children having a child with cystic fibrosis

\frac{1}{4}

The chance that the couple's first child will have cysitc fibrosis is equal to

1* \frac{1}{50} *\frac{1}{4} \\= \frac{1}{200}\\= 0.005

8 0
3 years ago
Muscle cells are not able to supply glucose for other tissues because they do not contain which enzymes?
rodikova [14]

Muscle cells are not able to supply glucose for other tissues because they do not contain Protein Phosphatase enzymes  

Explanation:

Protein phosphatases are a called mammalian class regulatory enzyme that catalyse the “dephosphorylation of phosphoserine” and phosphothreonine residues in proteins. Some Specific processes are controlled by protein phosphatases. It includes glycogen metabolism, mitosis, muscle contraction and also transduction of hormonal signals.

Now it become proved that protein phosphatases are equal value as protein kinases in controlling a wide level of variety of metabolic processes through dephosphorylation-induced conformational changes with concomitant decreasing or increasing in the activity of key enzymes.

3 0
3 years ago
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