Prince Of Biology: True Or False

Front 1

Ligase is involved in the formation of peptide bonds.

Back 1

False

Front 2

There are five different types of histones in a nucleosome.

Back 2

False

Front 3

A silent mutation would only change one amino acid in the corresponding protein.

Back 3

False

Front 4

There are 64 different codons in the genetic code.

Back 4

True

Front 5

tRna's that dont bind amina acids are called stop tRNA's.

Back 5

False

Front 6

Restiction enzymes cleave DNA at specific sequences of nucleotides called introns.

Back 6

False

Front 7

The ends of chromosomes are replicated by special enzymes called topoisomerases.

Back 7

False

Front 8

In RNA synthesis a piece of RNA is used as a template for a synthesis of the new TNA strand.

Back 8

False

Front 9

Because a bacterial chromosome is circular it would not have an ARS.

Back 9

False

Front 10

The Binding site of DNA polymerae is called a Promoter.

Back 10

False

Front 11

Mitosis would used in asexual reproduction.

Back 11

True

Front 12

Prokaryotic cells can perform mitosis but never meiosis.

Back 12

False

Front 13

DNA replication is the first step in both mitosis and meiosis.

Back 13

False

Front 14

A tumor can be traced back to one initial cell called a founder cell.

Back 14

True

Front 15

Gametes contain a haploid number of chromosomes

Back 15

True

Front 16

Inactivation of apoptosis is associated with cancer production.

Back 16

True

Front 17

An animal somatic cell would be a diploid cell.

Back 17

True

Front 18

The inability to control mitosis is associated with cancer developments.

Back 18

True

Front 19

Cells that divide stop the cell cycle at G2

Back 19

False

Front 20

Cyclins are proteins whose concentrations vary with the phases of the cell cycle

Back 20

True

Front 21

Osteoporosis is associated with accelerated apoptosis

Back 21

True

Front 22

According to the cell theory a virus is the only living thing without a plasma membrane.

Back 22

False

Front 23

A cation is an atom that has lost one or more electrons.

Back 23

True

Front 24

In biological bonds atoms intereact based on their electron configurations.

Back 24

True

Front 25

A hydrogen bond forms when a hydrogen atom is covalently attached to two seperate electronegative atoms at the same time.

Back 25

False

Front 26

A hexose sugar and a pentose sugar would both be examples of monosacharides.

Back 26

True

Front 27

The nucleotide ATP is used to make both DNA and RNA.

Back 27

False

Front 28

A buffer is used to make a solution more acidic.

Back 28

False

Front 29

The eukaryotic cell is larger than the prokaryotic cell

Back 29

True

Front 30

Where ever a ribosome is found protein synthesis will occur.

Back 30

True

Front 31

The functional site of a nucleic acid is always is always the same as its site of synthesis.

Back 31

False

Front 32

Sucrose is the sugar that is transported throughout a plant.

Back 32

True

Front 33

A fat is a tigyceride that is a solid at room temperature.

Back 33

True

Front 34

A cell with its cell membrane removed is called a protoplast.

Back 34

False

Front 35

Since they do not have a nucleus prokaryotic cells also do not have any DNA.

Back 35

False

Front 36

Microtubules and microfilaments help determine the shape of a cell.

Back 36

True

Front 37

A nucleus and a plasma membrane are structures common to all cells.

Back 37

False

Front 38

All movement processes that require a protien also require input of cellular energy(not the energy from the concentration gradient of the molecule being moved.)

Back 38

False

Front 39

Steroid receptors are examples of intinsic membrane proteins.

Back 39

False

Front 40

A biological process would have a negative Gibb's Free Energy.

Back 40

True

Front 41

A nuclear pore would be an example of a gated channel.

Back 41

False

Front 42

G-proteins are called G because they are associated with guanine nucleotides.

Back 42

True

Front 43

Excluding the mitochondria all protein synthesis in an animal cell starts and ends in the cytoplasm.

Back 43

True

Front 44

An SRP would be an intinsic membrane protein.

Back 44

False

Front 45

Exocytotic Vesicles originate from the ER.

Back 45

True

Front 46

A Hormone could be an example of a ligand.

Back 46

True

Front 47

A kinase is an enzyme that adds phosphate groupts to other enzymes

Back 47

True

Front 48

One Way to regulate enzyme activity is by adding a phosphate to the enzyme.

Back 48

True

Front 49

NADH and Mg2+ are two examples of enzyme co-factors.

Back 49

False

Front 50

ATP is commonly used to overcome the activation energy in biological reaction.

Back 50

False

Front 51

A ribozyme is a protein that catalyzes a change in RNA

Back 51

Fale

Front 52

Photosynthesis is a carbon reduction pathway.

Back 52

True

Front 53

Without oxygen photosynthesis would come to a halt.

Back 53

False

Front 54

All the intermediates in glycolysis are phosphorylated.

Back 54

True

Front 55

The study of enzymes is called thermodynamics

Back 55

False

Front 56

Most of the energy liberated during aerobic respiration is lost as heat.

Back 56

True

Front 57

The sun provides the electrons that are needed for photosynthesis.

Back 57

False