Bio 1

Front 1

The connections between 2 cells that allow molecule to pass between them would be ____ while the strongest connections would be called ____

Back 1

gap junctions, desmosomes

Front 2

In the formation of a protein, the wrong or incorrect amino acid could have either a major effect or no effect, depending on what the error does to the protein function
T or F

Back 2

True

Front 3

The nucleolus is located in the ____ whereas free robosomes are found in the ____

Back 3

nucleus, cytoplasm

Front 4

The movement of molecules in and out of a cell by permeases/faciliated diffusion

Back 4

-requires a carrier and no expenditure of chemical energy
-moves particles from a region of high collisions to a region of lower collisions

Front 5

Identical twins are not genetically identical whereas fraternal twins have the same genetic info
T or F

Back 5

False

Front 6

The golgi apparatus functions in ___

Back 6

packaging molecules like glycoproteins and hydrolytic enzymes into vacuoles for export out of the cell

Front 7

Carrying capacity is reached or occurs when the population growth is ____

Back 7

leveling off

Front 8

Organelles like mitochondria can be destroyed and digested by lysosomes, while not longer needed proteins are removed by proteosomes
T or F

Back 8

True

Front 9

The cell cycles has a built-in molecular brake to stop cells from dividing continuously in stage____, which also has some control over cancer

Back 9

G-0

Front 10

If the concentration of sugar/glucose is 10x more concentrated in a cell than outside the cell, yet sugar/glucose is continuously moving into the cell against a concentration gradient. The process by which sugar/glucose moves is called ____

Back 10

active trasport

Front 11

Fossil fuels are formed from ____ of dead animals, plants and prokaryotes

Back 11

all foodstuffs

Front 12

The order of nucleotides in the DNA determines the order/sequence ____

Back 12

of the amino acids in protein

Front 13

What is the sequence of bases on the messenger RNA copied from this I-DNA strands?

Back 13

UUGGAAGUGGGA

Front 14

The most important part of the scientific method that is used to prove or disprove an educated guess-

Back 14

experimentation

Front 15

Pasteur's experiments proved that life, like bacteria/prokayotes,

Back 15

came from air, not nutrients

Front 16

A population of animals grows

Back 16

both geomatrically and arithmetically

Front 17

Increases in amounts of available food might cause the carrying capacity to decrease
T or F

Back 17

True

Front 18

Rather than gaining or losing electrons Carbon atoms form ____ covalent bonds because it takes too much energy to gain or lose two electrons

Back 18

two

Front 19

Life is probably built around the carbon atom because carbon can form millions of carbon compounds such as- proteins carbs, DNA, RNA and lipids
T or F

Back 19

True

Front 20

Huxley, 1825-1895, stated that the scientific method is "nothing but trained or organized common sense"
T or F

Back 20

True

Front 21

Whereas amino acids are held together by ____ bonds, disaccharides consist of two monosaccharides bonded together by ____ bonds and fats are formed from ester bonds

Back 21

peptide, glycosidic, ester

Front 22

Because it decompses very slowly, which of the foodstuffs would be most important in forming fossil fuels?

Back 22

starch

Front 23

Transcription occurs in the ____. whereas translation offurs on the ___

Back 23

nucleus, ribosomes

Front 24

There are no dietary essentail ____ only nine dietary essentail ____ and for most animals

Back 24

sugars, amino acids

Front 25

Saturated fatty acids have one, two or more double bonds and are less dangerous to the cardiovascular system than unsaturated fatty acids, which have single bonds
T or F

Back 25

False

Front 26

Dietary essential amino acids for animals are not synthesized in large enough quantities or must be synthesized by some other organism
T or F

Back 26

True

Front 27

Because water _____ water will dissolbe more molecules than any other liquid

Back 27

is dipolar with weak positive and negative charges

Front 28

Fats/lipids, both solids and oils, contain three fatty acids bonded to glycerol
T or F

Back 28

True

Front 29

The world is facing a ____ shortage, or actually a shortage of ____

Back 29

protein, dietary essential amino acids

Front 30

The role or function of the enzyme, aminoacyl TRNA synthetase, is to place another amino acid on the ____

Back 30

TRNA

Front 31

Plant leaves and stems are usually high in ____

Back 31

fiber like lignin and cellulose

Front 32

In very young children deficiencies in ____ cause Kawashiorkor which does not result in ____

Back 32

protein, bloated look

Front 33

Which of the following are true about nucleic acids like DNA?

Back 33

-largest of biological molecules
-carry genetic info (DNA)
-codes for and forms protein molecules
-codes for and forms the molecules of ribosomal RNA, transfer RNA, and messenger RNA

Front 34

Vitamins are organic molecules that are needed in small amounts are are necessary for survival and growth, but are made by plants and not made by animals
T or F

Back 34

True

Front 35

Vitamins include A, B, C, D, E, K are made by man because they are mecessary for survival
T or F

Back 35

False

Front 36

The sweetest sugar is ____, cane sugar is ____, and milk sugar is ____

Back 36

fructose, sucrose, lactose

Front 37

The most abundant/common atoms in foodstuffs and the ones life is built around would be which of the following elements/atoms?

Back 37

Carbon, hydrogen, oxygen

Front 38

A positive subatomic particle would be called a/an ____ while a negative subatomic particle would be called a/an ____ and a neutral particle would be a ____

Back 38

proton, electron, neutron

Front 39

In osmosis, movement or diffusion of water is always from the solution with the higher water concentration/more water molecules because of more collisions. Collisions are greatest in hot rather than cold water
T or F

Back 39

True

Front 40

The ribosomes function in ____

Back 40

reading the MRNA

Front 41

As a source of protein in nutrition, among seeds, ____ would have the lowest quality/less dietary essential amino acids

Back 41

corn

Front 42

Protein synthesis for use by the cell rather than export out of the cell occurs primarily on ____

Back 42

the free/unbound ribosomes

Front 43

The sharing of electrons is called ____ while bonds formed from gain and loss of electrons are called ____

Back 43

hydrogen bonding, covalent bonding

Front 44

Name the structure/organelle where the synthesis/production of TRNA and robosomal RNA takes place

Back 44

nucleolus

Front 45

Proteins that form little spools on which the chromosomal DNA is wound are called ____

Back 45

histones

Front 46

The order of the ____ determines the shape and function of a protein

Back 46

amino acids

Front 47

The universal genetic code uses how many bases side by side in the "I" strand?

Back 47

three

Front 48

During DNA replication during cell division ____ are joined by ____

Back 48

deoxyribonucleotides, DNa polymerase

Front 49

Simple sugars are monosacchorides with 6 carbons would be ____

Back 49

hexose sugar like glucose and fructose

Front 50

The building blocks of nucleic acids are nucleotides, which consist of ____

Back 50

-pentose sugar
-phosphate
-purines and pyrimidines

Front 51

Which of the folliwing fuels does not produce carbon dioxide?

Back 51

nuclear

Front 52

in the scientific method, controls differ from Experimentals in only one variable
T or F

Back 52

True

Front 53

As an economist he "opposed aiding the poor because he thought aid/help would only compound their misery by allowing their numbers to grow" who said this?

Back 53

Malthus

Front 54

Because of two events/revolutions so to speak, the world entered exponential growth. The first one was ____ 1450 AD and the second one ____ 1950s

Back 54

industrial revolution, medical

Front 55

The organization of life starting with simplest form would be ____

Back 55

cells, tissues, organs, organ systems

Front 56

Eukaryotes include all but ____ because eukaryotes have a nucleus

Back 56

bacteria

Front 57

Plants convery light energy into chemical energy when they make carbohydrates from carbon dioxide and water
T or F

Back 57

True

Front 58

Dehydration reactions occur when the building blocks of foodstuffs are hooked/bonded together, while hydration is used to break these bonds
T or F

Back 58

True

Front 59

Neutral fats are deposited under the skin, whereasphospholipids and cholesterol are used in cell membranes
T or F

Back 59

True

Front 60

DNA and RNA are made of only six different molecules and are still capable containing all the cells genetic info
T or F

Back 60

True

Front 61

A strong oxidizing agent like chlorine tends to give up electrons to other atoms
T or F

Back 61

False

Front 62

The most reactive atoms have their outer orbitals full of electrons like helium
T or F

Back 62

False

Front 63

Non-living things would not have which of the following characteristics?

Back 63

adaptability and assimilation

Front 64

That reactions go from useable energy to non-useable energy or to more random, or more entropy, or things run down hill, or no free lunch law, are all statements that apply to the ____ law of thermodynamics

Back 64

second

Front 65

The cells need which type off energy from foodstuffs ____

Back 65

chemical

Front 66

One of the following statements about water are true?

Back 66

-the solvent or liquid of life on earth is water
-the amount of water on Earth is not decreasing
-waters distribution changes from season to season, and time to time
-we, the world, are not running out of water

Front 67

cells that normally do not divide would include ____ because they lack a nucleus and thus genetic info

Back 67

RBC's

Front 68

The longest pary of the cell cycle and when a cell does its job, cell increases in mass back to initial size, number of cytoplasmic compnents and organelles double, and DNA is duplicated or replicated

Back 68

interphase

Front 69

Hydrogen has is the fuel of tomorrow because it is so abundant
T or F

Back 69

False

Front 70

Global warming is ____

Back 70

has been occuring for 20,000 yrs

Front 71

Organelles, like mitochondria, move over great distance rapidly in a cell via _____ moving on

Back 71

molecular motors, microfilaments

Front 72

The stacks of green "coins" are called ____ and occur in the ____

Back 72

thylakoids, chloroplasts

Front 73

Considered to be the fuel of life is ____ while the liquid of life is ____

Back 73

Sugars, water

Front 74

No nucleus, no other organelles and a double membrane like mitochondria would be ____

Back 74

prokaryotic cell

Front 75

Motile appendages on a cell that look like hundreds of hairs, are known as

Back 75

cilia

Front 76

Genes are segments of DNA carrying instructions for a polypeptide/protein chain that uses triplets of nucleotide bases form the genetic library of 64 codons with synonyms
T or F

Back 76

True

Front 77

The most serious problem facing humans today and is responsible for all the rest is ____

Back 77

over population