Home Biology & Zoology

Biology & Zoology

by Koustubh Verma

Zoology is the study of all animals of all shapes and sizes, from tiny insects to large mammals. Zoologists investigate what animals eat and how they live, and how animals interact with their habitats.

BIO202 Midterm Quiz

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BIO202 Midterm Quiz

BIO202 Midterm Quiz 02-07-22

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When DNA is heated, the temperature at which ________ of the helical structure is lost is defined as the melting temperature.

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The "energy carrier" ATP is an example of a(n):

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Nucleoside contains

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Any regular, stable structure taken up by some or all of the nucleotides in a nucleic acid can be referred to as

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S-adenosylmethionine is a ________ group donor.

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Disruption of DNA can occur in the laboratory with alteration in

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Z-DNA have a

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The ________ strand is called Template strand while

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The phosphodiester bonds that link adjacent nucleotides in both RNA and DNA:

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Eukaryotic DNA is associated with tightly bound basic ________, called histones.

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Compounds that generate nitrous acid (such as nitrites, nitrates, and nitrosamines) change DNA molecules by:

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The DNA oligonucleotide abbreviated pATCGAC

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ZOO501 Midterm Quiz

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ZOO501 Latest Quiz

ZOO501 Latest Quiz 02-07-22

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The cytotrophoblast initially adheres to the ________ through a series of adhesion molecules.

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During mammalian cleavage the trophoblast cells secrete fluid into the morula to create a blastocoels this process called as ________.

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The original type of trophoblast cells constitute a layer called the ________.

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The first segregation in mammalian cells within the inner cell mass results in the formation of the ________.

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In Tunicate cleavage during the next three divisions, differences in cell size and shape highlight the ________ of these embryos.

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In Tunicate the second Cleavage ________.

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The peripheral ring of blastodem cells that have not shed their deep cells constitutes the ________.

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The ________ that are the precursors of the neutral tube invaginate into the embryo and are enclosed by neural folds.

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A ________ is a cell derived from cleavage in an early embryo.

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A ________ is a cell derived from cleavage in an early embryo.

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During mammalian cleavage the trophoblast cells secrete fluid into the morula to create a blastocoels this process called as ________.

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Between the area pellucida and the area opaca is a thin layer of cells called the ________.

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Chorion is derived from ________ cells.

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The lateral lips of the blastopore comprise those cells that will become ________.

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Mother provides the fetus with nutrients and oxygen, and the fetus sends its waste products ________ into the maternal circulation.

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The peripheral ring of blastodem cells that have not shed their deep cells constitutes the ________.

Marginal belt

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ZOO401 Midterm Quiz

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ZOO401 Midterm Quiz

ZOO401 Midterm Quiz 01-07-22

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The sparkling white sand beaches of the Caribbean and many other areas in the world are eroded ________ remains of green algae.

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The ________ contains earth's largest store of carbon?

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________ swamps are found in broad floodplains of the northeast, southeast, and south-central United States and receive floodwater from nearby rivers and streams.

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Blue Green Algae have a role in forming of the early earth's atmosphere because they can fix ________ and carbon dioxide?

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Lakes and ponds go through a natural aging process called ________. Marshes, swamps, and bogs are generally the mature stages of succession for lakes and ponds?

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The ________ is the basic building block of the carbohydrates, fats, proteins, DNA, and other organic compounds necessary for life?

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The ________ marshes are characterized by periodic or permanent shallow water, little or no peat (decaying matter) deposition, and mineral soils. They typically derive most of their water from surface waters, including floodwater and runoff, but do receive ground water inputs?

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Terrestrial producers remove CO2 from the atmosphere and aquatic producers remove it from the ________?

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Copepod of Crustacean eggs hatch into small free living larvae termed ________?

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The ________ develop when snowmelt and rain fill the pockmarks left on the landscape by glaciers. Ground water input is also important?

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Tidal freshwater marshes are located ________ of estuaries. Tides influence water levels but the water is fresh. The lack of salt stress allows a greater diversity of plants to thrive?

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The Copepoda of Crustacean have ________ sub order?

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BIO 202 Latest Quiz

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BIO 202 Latest Quiz

BIO 202 Latest Quiz 21-06-22

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1.

Which one is example of coenzymes

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2.

When DNA is heated, the temperature at which ________ of the helical structure is lost is defined as the melting temperature.

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3. Nucleotides also serve as carriers of activated intermediates in the synthesis of ________.

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4.

Adenosine 3'-phosphate-5'-phosphosulfate is the ________ donor.

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5.

The DNA oligonucleotide abbreviated pATCGAC:

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6.

A short length of DNA molecule has 80 thymine and 80 guanine bases. The total number of nucleotide in the DNA fragment is

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7. The DNA oligonucleotide abbreviated pATCGAC:

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8.

DNA model was presented by Watson and Crick in ________.

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9.

The sugar molecule present in nucleotide is

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10.

RNA duplexes are ________ stable than DNA duplexes.

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11.

Nucleoside contains

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12.

These ________ bonds, plus the van der Waals and hydrophobic interactions between the adjacent stacked bases, stabilize the structure of the double helix.

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13.

The DNA oligonucleotide abbreviated pATCGAC:

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BIO 101 Latest Quiz

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Bio 101 Latest Quiz

Bio 101 Latest Quiz 18-06-22

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The biological data which includes text, images, numbers and symbols has been stored

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The first enzyme ________ was discovered by Anselme Payen in 1833.

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How many nucleotide bases occur in a nucleic acid:

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Phylogenetic trees can be constructed to find relationships between species

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Which phase may sustain for even up to years

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Epinephrine is produced by

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Glucocorticoids are a class of steroid hormone that regulate metabolism of

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If the release of hormone occurs with a frequency of about one hour, then it is referred as

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Viral infections are treated by

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In fungi, the cell wall is made up of

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Epinephrine is produced by

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