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Final Exam IUPUI > Unit 2 : Chapter 6-10 The Cell, Membranes, and Photosynthesis > Flashcards

Unit 2 : Chapter 6-10 The Cell, Membranes, and Photosynthesis Flashcards

1
Q

Function of Nucleus

A

Site of Transcription of mRNA and tRNA for protein synthesis

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2
Q

Function of Mitochondria

A

Synthesis of ATP via oxidative phosphorylation

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3
Q

Function of Nucleolis

A

Site of rRNA for protein synthesis

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4
Q

Function of Rough ER

A

Synthesis of the insulin receptor (transmembrane glycoprotein)

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5
Q

Function of Golgi Apparatus

A

Sorting of proteins for Extracellular secretion

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6
Q

Function of Lysosomes

A

Intercellular digestion

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7
Q

Function of Smooth ER

A

Synthesis of steroid hormone Testosterone

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8
Q

Function of Extracellular Matrix

A

Site of cell to cell adhesion and recognition

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9
Q

Proteins that are made for secretion (export from cell)

A

Are made in the Rough ER and packaged into transport vesicles

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10
Q

Mammalian blood contains 0.15 M NaCl, Seawater contains 0.45 M NaCl.
What will happen is the blood was placed in seawater ?

A

Water will leave the cells, causing them to shrivel and burst

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11
Q

All of the following are functions of Integral Membrane Proteins except :

  • Synthesis of Hormones
  • Active transport of ions
  • Cell to cell recognition
  • Reception of hormone signals like Epi
  • Attachment to the Extracellular membrane
A

Synthesis of Hormones

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12
Q

Match the components of the plasma membrane :

  • Cholesterol
  • Glycolipid
  • Integral membrane protein
  • Peripheral membrane protein
  • Glycoprotein
A
  • Cholesterol : E.
  • Glycolipid : A.
  • Integral membrane protein : B.
  • Peripheral membrane protein : F.
  • Glycoprotein : C.
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13
Q

What would decrease the entropy within a cell :

A

Anabolic reactions

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14
Q

Why is ATP important in metabolism :

A

A. ) It’s hydrolysis provides an input of free energy for exergonic reactions
B. ) It provides energy coupling between exergonic and endergonic reactions

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15
Q

Increasing the substrate in a reaction would overcome :

A

Competitive Inhibition

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16
Q

Cells use energy coupling using ATP, define energy coupling :

A

B.) exergonic reactions drive endergonic reactions
D. ) ATP hydrolysis releases free energy that can be coupled to an endergonic reactions via the formation of a phosphorylated intermediate

17
Q

The general name for an enzyme that transfer phosphates from ATP to proteins :

A

Protein Kinase

18
Q

In liver cells, mitochondrial inner membranes are 5x the area of the outer mitochondrial membranes, why :

A

It increases the surface area of oxidative phosphorylation

19
Q

Why is the Calvin Cycle dependent of Light reactions :

A

Light reactions produce ATP and NADH for sugar production

20
Q

One function of alcohol and lactic acid fermentation is :

A

Oxidize NADH to NAD+

21
Q

Skeletal muscle cells can become painful and fatigued, why :

A

Buildup of Lactate

22
Q

Which of the 4 kinase enzymes in Glycolysis is shown in the figure :

A 
Pyruvate Kinase (PK)
Phosphoglycerokinase (PGK)
23
Q

Location of cell in Kreb’s Cycle :

A

Mitochondrial Matrix

24
Q

Location of cell in Calvin Cycle :

A

Chloroplast Stroma

25
Q

Location in cell in Light Reactions :

A

Thylakoid membrane

26
Q

Location in cell in Proton Gradient in Aerobic Respiration :

A

Mitochondrial inner membrane space

27
Q

Location in cell in Proton Gradient in Light Reactions :

A

Thylakoid lumen

28
Q

Substrate-level phosphorylation accounts for what percentage of ATP used in Glycolysis :

A

100%

29
Q

A C4 plant fixes CO2 into ______ where a C3 plant fixes CO2 into _______

A

Oxaloacetic acid using PEP carboxylase ; PGA using Rubisco

30
Q

Describe this reaction : 6 CO2 + 6 H2O + Energy —> C6 H12 O6 + 6 O2

A

CO2 is reduced and H2O is oxidized

31
Q

The oxygen consumed during Aerobic cellular respiration is involved in what event :

A

Accepting electrons at the end of the electron transport chain

32
Q

What is Not true about Rubisco :

A

It is a kinase

Final Exam IUPUI (6 decks)

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