first exam

Question 1

what contains prokaryotic cells

Answer 1

archaea

Question 2

Molecule associated with energy transfer in living organisms

Answer 2

ATP

Question 3

A community and its physical and chemical environment

Answer 3

ecosystem

Question 4

molecule of inheritance

Answer 4

deoxyribonucleic acid

Question 5

aerobic respiration

Answer 5

not a requirement of all living things

Question 6

The one way flow of energy through the biosphere starts with energy input from…

Answer 6

the sun

Question 7

scientific way to refer to a human is

Answer 7

Homo sapiens (slanted)

Question 8

decompose-rs include certain bacteria and fungi?

Answer 8

True

Question 9

sexual reproduction results in offspring that are genetically identical to the parent

Answer 9

false

Question 10

if phosphorus has 16 neutrons and 15 electrons what is its atomic number

Answer 10

15

Question 11

helium has atomic number two. Inert or reactive

Answer 11

inert

Question 12

atoms gain or lose electrons to form…

Answer 12

ionic bonds

Question 13

the normal range of blood pH indicates

Answer 13

7.3 - 7.5

Question 14

two atoms of oxygen bond with double covalent bond. how many electrons do they shae

Answer 14

4

Question 15

water is a great solvent of polar molecules

Answer 15

true

Question 16

in a polar covalent bond electrons are shared

Answer 16

false

Question 17

loss of protein’s normal 3-d shape because of high temperatures or changes in ph

Answer 17

denaturation

Question 18

in a condensation reaction, small molecules come together to make a large molecule?

Answer 18

true

Question 19

Ribose is a six carbon monosaccharide?

Answer 19

False

Question 20

Building blocks of nucleic acids

Answer 20

Nucleotides

Question 21

Building blocks off protein

Answer 21

Amino acids

Question 22

Building blocks of most lipids are glycerol and…

Answer 22

Fatty acids

Question 23

Building blocks of carbohydrates

Answer 23

Monosaccharides

Question 24

If solution of cell contrains greater concentration of dissolved solutes than the contents of the cell, the solution is hypotonic

Answer 24

False

Question 25

In active transport solutes are transported down their concentration gradient

Answer 25

False

Question 26

Phospholipids contain a hydrophobic head and two hydrophillic tails

Answer 26

False

Question 27

Plant cells but not animal cells have

Answer 27

Plastids and central vacuole | C and D

Question 28

Synthesis of proteins takes place in

Answer 28

Rough ER

Question 29

Photo synthesis takes place in

Answer 29

Chloroplasts

Question 30

Synthesis of lipids takes place in

Answer 30

Smooth ER

Question 31

Modify, sort, package, and ship proteins and lipids

Answer 31

Golgi bodies

Question 32

Provide movement for the cells

Answer 32

Flagella

Question 33

Digestion in the cell is done by

Answer 33

Lysosomes

Question 34

ATP is produced in

Answer 34

Mitochondrion

Question 35

Final products of glycolysis include

Answer 35

Pyruvate molecules and ATP | B and c

Question 36

Oxygen is formed during

Answer 36

The non cyclic pathway of Atp formation

Question 37

Cells ability to acquire energy to store, build, or break apart substances is called

Answer 37

Metabolism

Question 38

Enzymes

Answer 38

Speed up metabolic reactions Lower the activation energy A and b

Question 39

In the non cyclic pathway of the light dependent stage of photo synthesis, two photo systems are involved

Answer 39

True

Question 40

Glucose is formed in the light dependent stage of photo synthesis

Answer 40

False

Question 41

The starting molecule in glycolysis is pyruvate

Answer 41

False

Question 42

Krebs cycle of aerobic respiration takes place I the cytoplasm

Answer 42

False

Question 43

Co2 is released during krebs citric acid cycle

Answer 43

True

Question 44

Light independent stage of photo synthesis takes place in the grana

Answer 44

False

Question 45

In exergonic reactions, energy is released

Answer 45

True

Question 46

DNA to DNA | A T C G T T

Answer 46

T A G C A A

Question 47

One species DNA differs from others in its

Answer 47

Nucleotide sequence

Question 48

DNA replication results in

Answer 48

Two molecules, each with one old strand and one newly assembled strand of nucleotides

Question 49

DNA binding proteins

Answer 49

Stabilize the single stranded DNA and keep the strands apart

Question 50

DNA polymerase

Answer 50

Adds DNA nucleotides to the primer to build the new stand

Question 51

Ligase

Answer 51

Joins okazaki fragments seals small gaps

Question 52

Helicase

Answer 52

unwinds parental DNA double helix

Question 53

Primase

Answer 53

Produced And adds primers to template strand

Question 54

Watson and crick

Answer 54

Discovered the double helix structure of dna

Question 55

Mrna to DNA | T A C A T G

Answer 55

A U G U A C

Question 56

HOW MANY amino acids does this mrna sequence code

Answer 56

5

Question 57

The RNA molecule is

Answer 57

Single stranded

Question 58

Mrna is produced by

Answer 58

Transcription

Question 59

The five carbon sugar found in RNA is

Answer 59

Ribose

Question 60

The loading of mrna onto an intact ribosome occurs during

Answer 60

Translation

Question 61

The enzyme used during transcription is DNA polymerase

Answer 61

False

Question 62

A codon is a double nucleotide on mrna

Answer 62

False

Question 63

Initiation

Answer 63

The first trna carrying methionine binds ribosome and mrna

Question 64

Elongation

Answer 64

Trna molecules carrying amino acids add to polypeptide chain

Question 65

Termination

Answer 65

A stop codon is reached