1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Harrizon [31]
3 years ago
8

Select the true statement.

Biology
1 answer:
marishachu [46]3 years ago
6 0

Answer:

RNA is mostly single-stranded; DNA is always double-stranded.

Explanation:

DNA stores the genetic information that codes for the way protein should be developed by the cell. Protein determines the trait (phenotype) of the cell/organism. RNA is used as an intermediary between DNA and proteins.  RNA is made of ribonucleic acids  while DNA is made of deoxyribonucleic acids.

You might be interested in
All carbohydrates are composed of one or more ____________ . A protein is composed of one or more long, unbranched chains called
Iteru [2.4K]

Answer:

The answer is below.

Explanation:

All carbohydrates are composed of one or more <em>monosaccharides</em> . A protein is composed of one or more long, unbranched chains called <em>peptides</em> which are coiled and folded into a specific 3-dimensional shape. A polypeptide is composed of monomers called <em>amino acids</em> . Nucleic acids are composed of monomers called <em>nucleotides</em> . Triglycerides are composed of glycerol and <em>fatty acids</em> . Glucose, starch, and cellulose are all examples of <em>carbohydrates</em> . RNA and DNA are examples of <em>nucleic acids</em> . Fats, steroids, and terpenes are examples of <em>lipids</em> . Polymers are formed by linking monomers together through <em>chemical</em> reactions. Breaking the bonds between the subunits of a polymer involves <em>catabolic</em> reactions. During a hydrolysis reaction, a molecule of water is <em>consumed</em> . During a condensation reaction, a molecule of water is <em>formed.</em>

7 0
3 years ago
Read 2 more answers
Translation is to protein as transcription is to blank
timama [110]

My guess would be mRNA or RNA but I'm not too sure about this question, sorry.

6 0
4 years ago
Blood groups are based on: A) the presence of inherited antigens on the surfaces of leukocytes and other nucleated cells. B) the
Licemer1 [7]

Answer: B) the presence of inherited antigens on the surfaces of erythrocytes.

Explanation:

A blood group is a classification of the blood according to the characteristics present on the surface of the red blood cells called erythrocytes. The two most important classifications for describing blood groups in humans are antigens (the AB0 system) and the Rh factor.

The AB0 system was discovered in 1901, and was the first known blood grouping system; its name comes from the <u>three types of groups that are identified: antigen A, antigen B, and 0 (zero) without antigens.</u>

<u>Each individual has a different set of erythrocyte antigens</u>, and because of their number -there are currently 32 known antigenic systems, plus some differentiated antigens that have not yet been attributed to any specific system- it is difficult to find two individuals with the same antigenic composition. Different antigenic systems are characterized by inducing antibody formation at different intensities; therefore some are more common and others are more rare. <u>So, the antigenic systems considered most important are the AB0 system and the RH system</u>.

Characteristics of the AB0 system are:

  • People with type A blood: their red blood cells express type A antigens on their surface and develop antibodies to the B antigens in the plasma.
  • People with type B blood: their red blood cells express type B antigens on their surface and develop antibodies to the B antigens in the plasma.
  • Persons with type 0 blood: they have no such antigens (A or B) on the surface of their red blood cells, but develop antibodies to both types.
  • Persons with type AB blood: having both antigens on the surface of their red blood cells, they do not make any antibodies to the A or B antigen.

The Rh system is the second blood group system in human blood transfusion with 50 antigens currently. In 1940, another group of antigens  was discovered and they were called Rhesus factors (Rh factors). People with rhesus factors in their blood are classified as "Rh positive", while those without the factors are classified as "Rh negative". It is common for D-negative individuals to have no anti-D IgG (immunoglobulin-G) or IgM antibodies, since anti-D antibodies are not normally produced by sensitization to environmental substances. Rh-negative people form antibodies to the Rh factor, if they are exposed to Rh-positive blood.

4 0
4 years ago
PLS HELP thanks
Gnesinka [82]

Answer:

it would be pollen grains travel into the fruit to fertilize the embryo

Explanation:

reproduction in a flower plants begins with the pollination the transfer of pollen from another to stigma on the same flower or the same stigma of ather flower on the same plant self on ather on the one plant to the stigma of another plant cross pollination

7 0
3 years ago
A complex of nucleic acids and proteins that make up chromosomes is called
notsponge [240]

Answer:

DNA? I'm not that sure I just searched google lol

6 0
4 years ago
Read 2 more answers
Other questions:
  • Which is an example of a physical change?
    7·2 answers
  • 1 Which of the following is an example of decreasing thermal energy causing matter to
    13·2 answers
  • What is the best definitionof magnetic field?
    13·1 answer
  • How does radiation therapy treat malignant tumors?
    7·2 answers
  • When have you used the skills of observation,
    9·1 answer
  • Where will you find permafrost? tall grass prairie savanna chaparral tundra
    12·1 answer
  • 1. Which weather variable can be determined by using a psychrometer?
    5·1 answer
  • What happens if a person has one dominant gene and one recessive gene for the same trait in his or her DNA?
    5·2 answers
  • The ________ of the retina detect color and function only in ________ light.
    15·1 answer
  • Which of the following terms describes the movement of water from the surface to the atmosphere?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!