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kati45 [8]
2 years ago
15

For the average young adult female resting in a reclined position, the heart pumps out approximately 5 liters of blood per minut

e. Blood flows through the body, supplying oxygen and nutrients to and removing waste products and heat from cells undergoing metabolism. What activity will substantially increase blood flow volume of this young adult?
A) a vegetarian diet
B) strenuous exercise
C) playing video games
D) a diet high in carbohydrates
Biology
2 answers:
son4ous [18]2 years ago
5 0

the answer is B for sure

weeeeeb [17]2 years ago
3 0
Probably B) strenuous exercise. If not B then it's probably A. I don't know for sure though
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Which energy conversion happens when a person shivers and the energy is transferred to make the muscles and joints move? answer?
iris [78.8K]
So, I haven't really seen this question I think but in my class when we had science before we learned about Kinetic and Potential energy. So, my most best answer I can give is most likely Kinetic Energy. Sorry if it's wrong. Hope this helps! ^^
6 0
2 years ago
Which of the following soil samples is the most porous? Click on the picture until it shows the correct answer.
bulgar [2K]

Answer:

The second picture showing  big rocks with the gaps between where they touched empty.

Explanation:

The figure shown in picture 2 will be the most porous as it does not comprise of any blocking particles. I t will be well sorted and will allow small molecules to easily pour through it.

On the other hand, the other figures like figure 3 will not have much porosity as the path is blocked by many large and small rocks in the image. Hence, it is not the correct option.

5 0
2 years ago
Read 2 more answers
Consider a cross of beetles with exoskeleton alleles B and b and leg size alleles N and n. The maleparent is heterozygous in bot
vichka [17]

Answer:

a. Genotype of male parent= BbNn

Genotype of female parent: bbnn

b: Progeny ratio= 1: 1: 1: 1

c: 1/4

Explanation:

a. Genotype of male parent= BbNn

Genotype of female parent: bbnn

b. Gamete formed by the male parent: BN: Bn: bN: bn in 1:1:1:1 ratio.

Gametes formed by female parent: All gametes with "bn" alleles.

c.  The probability that the offspring will have a genotype of Bbnn=

Bb x bb= 1/2 Bb: 1/2 bb

Nn x nn= 1/2 Nn: 1/2 nn

Therefore, probability that the offspring will have a genotype of Bbnn= 1/2 Bb x 1/2 nn= 1/2.

5 0
2 years ago
Which of the following is an important exception to the central dogma of molecular biology? a) Proteins are responsible for most
iogann1982 [59]

Answer:

b: many genes code for RNAs that function directly in the cell

Explanation:

<em>The central dogma</em> theory describes the basic framework for gene expression in living organisms. Genetic information from DNA is encoded or transcribed as RNA which then becomes translated as proteins.

The processes that take place for gene to be successfully expressed are;

  • Replication
  • Transcription
  • Translation

<em>Replication</em> is a process whereby DNA makes a copy of itself to be distributed in daughter cells during cell division.

<em>Transcription</em> is the process whereby genetic information in DNA is encoded as RNAs. The RNAs are short-lived as they are quickly utilized in protein synthesis or <em>translation </em>process.

Hence, the RNAs do not function directly in the cells but mere intermediaries in the synthesis of proteins.

<em>The correct option is b.</em>

3 0
2 years ago
Sweet yellow tomatoes with a pear shape bring a high price per basket to growers. Pear shape, yellow color, and terminal flower
Vitek1552 [10]

Answer and Explanation: The farmer has a pure-breeding line of tomato means the farmer has a tomato with genotype FFrrtt while the other line of tomato has genotype ffRRTT.

The cross between these lines gives a F1 generation of heterozygous full, red and axial or FfRrTt.

With an individual of F1 crosses with another individual of F1, the Punnet Square will be:

FfRrTt x FfRrTt

1) Dividing each characteristics, for simplicity:

          F         f

F       FF       Ff

f        Ff        ff

          R       r

R       RR     Rr

r        Rr      rr

         T      t

T       TT   Tt

t        Tt     tt

Analysing Punnett squares, we notice the line wanted (ffrrTT) will be produced, when an individual of F1 generation cross with another individual with the same generation.

       

4 0
2 years ago
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