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3 years ago

What is the difference between revolution and rotation?

Biology

1 answer:

solmaris [256]3 years ago

3 0

Answer:

It is important to understand the difference between rotations and revolutions. When an object turns around an internal axis (like the Earth turns around its axis) it is called a rotation. When an object circles an external axis (like the Earth circles the sun) it is called a revolution.

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What is a protein that is the main component of the thick filaments in muscle fibers and is responsible for muscle contraction?

STatiana [176]

Answer:

Myosin

Explanation:

Two of the important proteins are myosin, which forms the thick filament, and actin, which forms the thin filament. Myosin has a long, fibrous tail and a globular head, which binds to actin. The myosin head also binds to ATP, which is the source of energy for muscle movement

4 0

3 years ago

A gene has 2 alleles, R & B, List the possible genotypes? I also need help with questions 5, 6, 7 and 8 please help! Pls loo

irakobra [83]

Answer:

5.) The possible genotypes should be: RR RB BB ( if the could for the same proteins)

6.) Frequency of R: 0.5

7.)Frequency of R: 0.5

8.)Frequency of R: 0.375

Explanation:

5.) If R and B code for the different forms of the same protein then they are only a few possible out comes

6.) First calculate the total alleles in population

allele R= 40

Allele B=40

total allele = R+B= 40+40

=80

Now to find allele R frequency is:

(Total R alleles) / (Total allele in pop)

40/80=

0.5

7.)Calculate the total alleles

Alleles from for R

RR= 10

R=10x 2= 20

Multiply the value by 2 because there are 2 R alleles present in

RB=20

R=20

Number doesn't change there is only 1 R allele

Total R=20+20

=40

Alleles For B

BB=10

B=10×2

=20

Same thing here, two B alleles together so multiple by 2

RB=20

B=20

Total B= 20+20

=40

Total alleles in pop add

40+40

=80

Frequency of R

Total of R/Total Alleles

=40/80

=0.5

8.)Repeat the same thing in 7 but use different numbers

RR=10

R=10x2

=20

RB=10

R=10

Total R= 20+10

=30

5 0

3 years ago

Name the quadrant(s) (RUQ, LUQ, RLQ, and LLQ) and region(s) (right hypochondriac, epigastric, left hypochondriac, right lumbar,

andreev551 [17]

Answer:Answer: 1) (a) The left lobe of the Liver is located in Left Upper Quadrant while the main part of the Liver is located in the Right Upper Quadrant.

(b) The liver is located in both the right hypochondriac region and the epigastric region

2) (a) The stomach is is located in the Left Upper Quadrant (LUQ)

(b) The stomach is majorly located in the epigastric region and the Left Hypochondriac Region.

3) (a)The Spleen is located at the Left Upper Quadrant (LUQ)

(b) The regions the Spleen are located at are the Left Hypochondriac Region, Epigastric Region and Left Lumbar

4) (a) The Gall Bladder is located at the Right Upper Quadrant

(b) The Gall Bladder is located at the Right Hypochondriac Region and the Right Lumbar Region.

5) (a)The Appendix is located in the Right Lower Quadrant

(b) The Appendix is located in the Right Iliac region.

6) (a) The Left kidney is located at the Left Upper Quadrant

(b) The left kidney cuts across the Left Hypochondriac Region, Right Lumbar and the Left Lumbar.

7) (a) The right Ovary is located at the Right Lower Quadrant

(b) The region of the right ovary is the hypogastric region.

8) (a) The Uterus is located at both the Right Lower Quadrant and Left Lower Quadrant.

(b) The Uterus is located in the hypogastric region of the abdomen.

Explanation: In medicine, the practitioners divide the lower part of the body known as the 'abdomen' with imaginary lines ( one vertical and one horizontal) to form the 'Quadrants' and (two vertical and two horizontal) the 'Regions'. The Quadrants are divided into four main parts:

1) Left Upper Quadrant (LUQ)

2) Right Upper Quadrant (RUQ)

3) Left Lower Quadrant (LLQ)

4) Right Lower Quadrant (RLQ)

The regions are divided into nine parts:

1) Left Hypochondriac Region

2) Right Hypochondriac Region

3) Epigastric Region

4) Left Lumbar Region

5) Right Lumbar Region

6) Umbilical Region

7) Right Iliac/Inguinal Region

8) Left Iliac/Inguinal Region

9) Hypogastric Region.

The abdomen is divided into regions in order to help medical practitioners and students easily understand the abdominal area of the body as well as the human anatomy. It also helps them provide preliminary diagnosis and treatment based on pain emanating from each region or quadrant.

6 0

3 years ago

Group the following into the appropriate range of measurement.

Vesna [10]

Answer:

Hydrogen atom & glucose molecule --- atomic.

Herpesvirus, DNA --- ultramicroscopic.

Protozoan, Rickettsia - microscopic.

Roundworm and algae --- macroscopic

Explanation:

1) Hydrogen atom & glucose molecule --- atomic.

The atomic size level, which interacts with atoms as well as small molecules, is much lower than the ultramicroscopic range.

2) Herpesvirus, DNA --- ultramicroscopic.

Ultramicroscopic particles are very tiny structures that cannot be seen using a conventional optical microscope, necessitating the use of an electron microscope. Viruses and DNA falls into this group since they are much smaller than tiny species like bacteria.

3) Protozoan, Rickettsia - microscopic.

Microscopic species are much smaller than macroscopic organisms because they cannot be observed by the naked human eye and must be viewed through a microscope. The size range for microscopic particles is $( 10^3 \ \ to \ \ 10^{10})$ , which contains protozoans and Rickettsia (a gram-negative, non-motile bacteria genus).

4) Roundworm and algae --- macroscopic

Naked eyes can see macroscopic organisms; for example, several types of circular worms and algae can be seen by them.

7 0

2 years ago

Most ______ are made up of monomers linked into polymers.

Novay_Z [31]

Macromolecules are mostly made up of monomers linked into polymers.

<h3>What are macromolecules?</h3>

Macromolecules are made from subunits or building blocks of monomers. These monomers combine with one another through covalent bonds to form larger molecules that are called polymers.

Therefore, macromolecules are made of monomers which are subunits that make up polymer.

For more details on macromolecules kindly check brainly.com/question/5246898

7 0

2 years ago