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AfilCa [17]
4 years ago
14

Proteins are important biomolecules that build organisms and direct chemical reactions. Proteins are polymers composed of long c

hains of
A) nucleotides.

B) amino acids.

C) phospholipids.

D) monosaccharides.
Biology
2 answers:
Rama09 [41]4 years ago
5 0

It is option B) amino acids

STatiana [176]4 years ago
4 0
It is an amino acid. using anabolism I believe
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I will mark you brainelest and give you 50 points
Vikentia [17]

Answer:

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example

Mid-Atlantic Ridge.

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have a nice day ><

6 0
3 years ago
The heads of myosin molecules contact the actin filaments when a muscle is relaxed. The heads of myosin molecules contact the ac
julia-pushkina [17]

Answer:The above statement is "false".

Explanation:

The following events take place during contraction-relaxation of a muscle:

•Action potential in T tubule activates voltage-sensitive receptors,which in turn trigger Ca ions release from terminal cisternae of sacroplasmic reticulum(SR) into cystol.

•Ca ions bind to troponin;troponin changes shape,removing the blocking action of tropomyosin;actin active sites is exposed.

•CONTRACTION; myosin heads alternatively attach to actin and detach,pulling the actin filaments toward the center of the sarcomere;using ATP in this process.

•removal of Ca ions by active transport into the SR after the action potential ends.

•RELAXATION occurs.Actin and myosin return back to its unbound state.

6 0
3 years ago
7. One of the functions of lipids is to store energy. Do they store more or less energy than
Alecsey [184]
No, carbohydrates are a quick source of energy compared to any other micro-molecules.
7 0
3 years ago
GIVING 20 POINTS PLEASE HELP ME ASAP!!!!!
igor_vitrenko [27]

Answer:

The Answer is gonna be D. There are fewer winds in summer to interfere with drying up puddles

4 0
3 years ago
Read 2 more answers
2
jeka57 [31]

Answer:

Either (1.) Fossils or (2) Radiometric dating.

Explanation:

Fossils are an obvious answer to this, but radiometric dating is the method most scientists use to find the age of rocks. Radioactive isotopes break down predictably, so the farther along this process is, the older the rock is.

3 0
3 years ago
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