Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BIOLOGY class 11 > Cell the unit of life > Flashcards

Cell the unit of life Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
1
Q

The cell wall of bacteria consists of ______

A

Peptidoglycan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Gram +ve or gram -ve has techoic acid

A

Gram +ve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The Golgi apparatus for Plant cells is known as

A

dictyosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The only animal cell having Plastids

A

Euglena

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

According to danielli davson, plasma membrane is about ____ nm

A

8.5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Who gave the trilaminar appearance or unit membrane concept

A

Robertson

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

RBC has ___ protein and ____ lipids

A

52% proteins and 40% lipids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Composition of plant cell wall

A

cellulose, hemicellulose,lignin,pectin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Composition of Bacterial cell wall

A

peptidoglycan / polysaccharides with amino acid + Murein if gram +ve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Composition of fungal cell wall

A

Chitin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Composition of algal cell wall

A

cellulose, galactans, mannans and minerals like sulphur dioxide and cal carbo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The four endomembrane system

A

Golgi, ER, lysosomes and vacuoles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

ER are not present in the RBC of ____ , ___and ____ cells

A

mammals ,eggs and embryonic cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Function of RER

A

synthesis, secretion and transportation of proteins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Function of SER

A

synthesis lipids and steroids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

RER is present in

A

fibroblasts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

SER present in

A

adipose cells, liver cells, interstitial cells, leucocytes and adrenal cortex cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

cisternae is for?

cristae is for?

A

cisternae - golgi

cristae -mitochondria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

the vesicles from golgi secrete their enzymatic content to the outside of the cell by ____-

A

reverse pinocytosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Golgi Functions (3) :

A

1) collection, packaging, secretion and transport
2) Formation of glycoproteins and gylcolipids
3) Formation of lysosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What formed the lysosomes ?

A

Golgi apparatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Lysosomes are discovered by

A

Christian de Duve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What organelle contains hyrolases

A

Lysosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Lysosomes are active at what ph

A

acidic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Functions of lysosomes

A

1) digestion of extracellular particles like food molecules
2) Digestion of intracellular particles during starvation to provide energy
3) digestion of harmful substances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What are known as THe Suicidal bag?

A

Lysosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Vacoules are bounded by

A

tonoplast ( single membrane) in plants

lipoproteinaceous membrane in animals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Function of tonoplast

A

transport of ions into the vacuoles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What organelle forms glycoproteins and glycolipids

A

Golgi

30
Q

____ are abundant in endosperm cells of oil seeds

A

Spherosomes

31
Q

What organelle synthesis lipids

A

Spherosomes

32
Q

Who coined the term “ mitochondria”

A

Benda

33
Q

who discovered Mitochondria

A

Altman

34
Q

In mitochondria, ___ contains all the enzymes for ETC

A

Cristae

35
Q

Where are the elementary particles / stalked particles of mitochondria present

A

Cistae

36
Q

Elementary particles of mitochondria are assosicated with

A

ATP production

37
Q

The two enzymes present in the outer membrane of the mitochondria

A

adenylate kinase and nucleoside diphosphokinase

38
Q

the presence of ___ in the mitochondira make it alike with the prokaryotes

A

single circular dna

39
Q

The ribosome present in mitochondria

A

70S

40
Q

The content of inner chamber of mitochondira

A

1) single circular dna
2) ribosomes
3) rna molecules

41
Q

the site of respiration ( krebs cycle)

A

mitochondria

42
Q

stroma contains ____ and ribosomes ( hint: alike with prokaryotes)

A

circulr dna

43
Q

Ribosomes in chloroplast

A

70S

44
Q

Ribosomes in cytoplasm

A

80S

45
Q

Semi autonomous organelles

A

Mitochondria and chloroplast

46
Q

Chlorophyll pigments are present in

A

Thylakoids

47
Q

Amyloplast store

A

Starch

48
Q

___ store oils and fats

A

elaioplasts

49
Q

____ store proteins

A

aleuroplasts

50
Q

The non membrane bound organelle

A

Ribosome

51
Q

Ribosomes first discovered by __ in plant cell

A

Robinson and Brown

52
Q

Ribosomes discovered in animal cell and studied under electron microscope by

A

George Palade

53
Q

_____ forms cilia , flagella and centrioles

A

microtubules

54
Q

_____ form spindle fibres and astral ray

A

Microtubules

55
Q

Other name for Basal body

A

Kinetosome

56
Q

The microtubule arrangement of cilia and flagella

A

9+2

57
Q

Microtubule arrangement for basal body

A

9+0

58
Q

Other name for centrioles

A

diplosomes

59
Q

centrosphere other name

A

kinoplasm

60
Q

__ + ___ = centrosome

A

centrioles + centrosphere

61
Q

Microtubule arrangement in centrioles

A

9+0

62
Q

Cilia and flagella occur in ___
Centrioles oocur in ___
( doublet / triplet)

A

Cilia and flagella- doublet

Centriole - triplet

63
Q

The largest of all cell organelles

A

Nucleus

64
Q

Nuclues if absent in _ and __ in eukaryotes

A

mature phloem sieve tube elements and mature RBCs of mammals

65
Q

Site where Rna is synthesised in the nucleus

A

nucleolus

66
Q

___ discovered chromosomes

A

waldeyer

67
Q

Chromosomes best studied during __ stage

A

metaphase

68
Q

The animal having the highest no. of chromosomes

A

Hermit crab ( eupagurus

69
Q

The primary constriction is called the ___

A

centromere

70
Q

Peroxisomes contain

A

powerful oxidative enzymes.

Catalase most imp

71
Q

Known as peroxisome

A

coz of their involvment in peroxide biosynthesis

72
Q

The microbodies that contain enzymes to break down fats

A

Glyoxysomes

BIOLOGY class 11 (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions