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2 years ago

Why is carbon special compared to other elements?

2 answers:

8 0

Answer: Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms

Explanation:

because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules. Having the atomic number 6, every carbon atom has a total of six electrons.

elena55 [62]2 years ago

5 0

Answer: Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms, and because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules.

Explanation: Carbon's characteristics include its ability to bond with oxygen, hydrogen, nitrogen, phosphorus and sulfur. Carbon biochemical compounds are essential to all life on the planet. Carbon atoms can bond to one another and form different structures. Which is not a function of proteins.

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You are playing a new video game that is based on the human immune system. The player is inside a human, and you must successful

Anarel [89]

Answer:

D. Cytokines

Explanation:

I would utilize Cytokines to recruit more leukocytes to the battle.

Cytokines are important chemical messengers that act via receptors in the immune system of the body. They are a group of proteins made by various immune cells. Immune cells communicate through Cytokines in regulating immune response

8 0

3 years ago

The honeybee has 32 chromosomes in their somatic cells. They undergo meiosis but can

PtichkaEL [24]

Answer: 32 chromosomes, they are clones of the parent drone

Explanation:

The production of offspring drones without fertilization means that offspring that are produced are produced by mitosis, which results in daughter cells that are clones of the parent. They have the same amount of chromsomes as the parent drone, which is 32.

7 0

2 years ago

Taste molecules are unique because different molecules trigger _______ in the nose and mouth

Kazeer [188]

Answer:

taste and smell

Explanation:

triggers taste

example

hold your nose put a fruit candy in your mouth you will notice there will be a slight different taste

these molecules trigger basic taste

4 0

3 years ago

What is a vasculer plant

myrzilka [38]

Answer:

a plant that is characterized by the presence of conducting tissue.

Explanation:

3 0

2 years ago

Read 2 more answers

Each ABO blood group is associated with the presence/absence of RBC antigens and the presence/absence of antibodies in the plasm

harina [27]

Answer:

a. Type O blood - No A or B antigens on RBCs-Anti-A antibodies in plasma-Anti-B antibodies in plasma

b. Type A blood - A antigen on RBCs- Anti-B antibodies in plasma

c. Type B blood - B antigen on RBCs- Anti-A antibodies in plasma

d. Type AB blood - A antigen on RBCs- B antigen on RBCs- Neither anti-A or anti-B in plasma

Explanation:

ABO blood grouping system represents multiple allelism which was discovered in humans by Karl Landsteiner. The blood group is determined by the presence or absence of A & B antigens and antibodies.

The 4 blood groups which exist in ABO system are O, A, B and AB. Also, allele A and B are co-dominant i.e. if they both will exist on the surface of an RBC then both will be equally expressed which implies that there will be no dominant or recessive allele.

Type O blood group has H antigen on the surface of RBC and has both the antibodies i.e. antibody A and B. The absence of antigens A and B makes it a universal donor.

Type A blood group has A antigen on RBC and has antibody B in the plasma.

Type B blood group has B antigen on RBC and has antibody A in the plasma.

Type AB blood group has both the antigens i.e. antigen A and B on RBC and does not have any antibody in the plasma which makes it a universal acceptor.

3 0

3 years ago