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yarga [219]
3 years ago
8

Which of the following elements are commonly found as part of biological macromolecules?

Biology
2 answers:
Mama L [17]3 years ago
6 0
Biological macromolecules contain carbon. it may also contain hydrogen, oxygen, and nitrogen also including some very minor elements
zloy xaker [14]3 years ago
3 0

Answer:

Biological macromolecules are organic, meaning they contain carbon. In addition, they may contain hydrogen, oxygen, nitrogen, and additional minor elements.

Explanation:

A in Bio last year.

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Scientists observed a rock stratum with fossils. If mollusks evolved before arthropods, where will their fossils be found?
lisabon 2012 [21]

Answer:

Fossils of mollusks would be found in lower strata than that of arthropods

Explanation:

Fossils are found in different layers of sedimentary rocks. The fossils of organisms that evolved earlier are found in the lower strata while those evolved later are preserved as fossils in the upper strata.  If mollusks evolved before arthropods, fossils of arthropods would be present in upper layers while those of mollusks would be found in deeper layers.

7 0
3 years ago
Read 2 more answers
HELP ANSWER QUICK!!!!
aleksandr82 [10.1K]

Answer:

A this is the definition of homologous

D would analogous

Explanation:

8 0
3 years ago
Which statements describe the effects of the solar wind on Earth? Check all that apply. The solar wind produces the northern and
Andrei [34K]

The correct answers are:

• The solar wind produces the northern and southern lights

• The solar wind disrupts communication systems.  

• The solar wind distorts Earth's magnetic field.

Solar winds are geomagnetic stream of charged particles radiated from the outer atmosphere of the sun. All planets are protected from solar winds via magnetic fields but planets that are positioned closer to the sun can experience degeneration of the magnetic field.

Solar winds are capable to distort and even destroy the functioning of communication satellites  in outer space, such as radio and tv communication and satellite based internet services.

The effects of solar winds that are visible to naked eye are the Aurora Borealis (the Northern lights) and the Aurora Australis (the Southern Lights).


7 0
2 years ago
Read 2 more answers
Which of the following white blood cells is not capable of phagocytosis?
denpristay [2]

Answer:

Lymphocytes

Explanation:

White blood cells ( leukocytes) is one of the formed elements of blood that provides immunity and protection against the pathogens. Different types of leukocytes are eosinophils, basophils, monocytes, lymphocytes and neutrophils.

Lymphocytes are B cells and T cells of the immune system. B cells produce antibodies against the antigen and T cells kills the harmful cells of the body. by specific cell determinants.These cells are not capable of phagocyte the pathogen.

Thus, the correct answer is option (A).

3 0
3 years ago
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A new marine animal species has been discovered. Locomotion is via a muscular foot. Digestive, nervous, excretory, reproductive,
zzz [600]

Answer:

Mollusca Phylum

Gastropoda class

Explanation:

The Mollusca Phylum is one of the most noticeable phyla that includes a wide variety of forms.

The ancestral Mollusca used to habit the pre-cambric oceans. It was bilaterally symmetrical, with a well-defined head that had tentacles and ocellus. Its ventral surface was plane and muscular, shaping a reptant foot. The dorsal surface was protected with a convex and oval shell.

The Gastropoda class is the richest class among all mollusks. This class experienced a characteristic torsion in their shell. This twist also involved the visceral mass, the mantle, and the mantle cavity. But by the time that this torsion occurred, the shell had already experienced a turn into a coil shape, which was then followed by its torsion.

The typical gasteropod´s shell is a conical structure composed of several tubular spirals containing the individual´s visceral mass. The biggest spiral ends as an opening from which the head and the food protrude.

6 0
2 years ago
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