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Gelneren [198K]
3 years ago
11

Choose the true statement(s) concerning the eukaryotic glycocalyx

Biology
1 answer:
Illusion [34]3 years ago
8 0

Explanation:

eukaryotic glycocalyx is present in prokaryotic cells, eukaryotic cells can also have glycocalyces especially single celled eukaryotic organisms.

You might be interested in
Which of the following viral diseases has been eliminated from the general population worldwide?
Svetradugi [14.3K]

Answer: Smallpox

Explanation: Small pox is an ancient disease which is caused by the Virus named as Variola virus. Early symptoms are fatigue and high fever.

The virus then after produces rash on faces arms and legs. The spots gets filled with fluid and pus and in later stages it turned into crust.

This crust eventually dried and falls off. It was fatal in almost 30% of the cases.

It eradicated by a collaborative global vaccination program which was led by WHO.

4 0
3 years ago
Chromosomes are found in the (i)__________ of every living cell. They can be seen by (ii)__________ a cell that is about to (iii
rusak2 [61]

Answer:

Explanation:

i) nucleus

ii) mitosis

iii) split

iv) pairs

v) number

vi) 46

vii) 23

viii) 7

ix) 127

x) arm

7 0
2 years ago
A single-stranded DNA sequence is attached to a microarray chip, and fluorescently labeled complementary RNA (cRNA) fragments (p
Darya [45]

Answer:

Option A , Genome

Explanation:

Microarrays that contains array of single stranded DNA are used to study thousands of gene expression for all the genes of a genome and are usually termed as DNA miscroarrays. These microarrays being single stranded allows attachment of complementary DNA strand to bind to their surface. The mRNA from the cell is extracted and converted into cDNA which is further used for DNA cloning.

Hence, option A is correct

5 0
2 years ago
An organism is discovered that thrives in both the presence and absence of oxygen in the air. Curiously, the consumption of suga
sammy [17]

Answer:

The correct answer is D. is a facultative anaerobe

Explanation:

A facultative anaerobe is the organisms that can live in the absence of oxygen but prefer to utilize the oxygen when oxygen is present in the environment.  

An anaerobic organism requires more amount of energy sources like carbohydrates because they use the fermentation process to make energy and this process results in the formation of less energy than aerobic respiration.  

All the bacteria of family Enterobacteriaceae that live in the intestine are facultative anaerobes. Therefore facultative anaerobe can thrive in both the presence and absence of oxygen so the correct answer is D. is a facultative anaerobe.

3 0
3 years ago
An organism's genome is analyzed and found to contain 18% guanine. What percentage of that organism's DNA is adenine?
Oxana [17]

Answer:

32%

Explanation:

According to Chargaff in his complementary base pairing rule, he stated that the proportion of purine and pyrimidine bases is equal to 100%

That is, A + T + G + C = 100%

Where A=T and G=C i.e the proportion of each base pair is equal.

Hence, if the Guanine content is 18%, it means the Cytosine content of that DNA molecule must also be 18%. Therefore:

18 + 18 + A + T = 100

A + T = 100 - 36

A + T = 64

If the sum proportion of Adenine and Thymine is 64% and each must contain equal proportions, A or T = 64/2 = 32

Hence, Adenine contains 32%, likewise Thymine.

6 0
3 years ago
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