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2024 ULTIMATE BIO SOL REVIEW

Total questions: 108

Worksheet time: 2hrs 32mins

Name
Class
Date
1.

Students in a high school biology class are preparing to conduct individual experiments to determine the conditions that are necessary for seed germination. Each student will design an experiment to test a single variable. The class data will then be collected and pooled in order to reach some general conclusions.

1.

Which of the following is the most appropriate first step for each student to undertake?

a)

Test a variable

b)

B. Write a theory

c)

Decide on a hypothesis to test

d)

Gather and set up materials

2-4.

Instructions: Read the paragraph below and answer questions 2 thru 4.

Certain enzymes can affect the structural elements of bacterial cell walls and cause the bacterial cell to burst. A biologist prepared a solution of such an enzyme and divided the solution equally into five aliquots, which were placed into test tubes labeled A, B, C, D, and E. The pH of each aliquot was then adjusted as shown in the table below. Three milliliters of a bacterial stock solution was added to each of the tubes. After 5 minutes, each tube was placed in a spectrophotometer and the percent of light transmitted was recorded.

2.

This experiment was most likely designed to determine which of the following?

a)

The most effective enzyme concentration for enzyme activity

b)

The most effective pH for enzyme activity

c)

Whether the enzyme adversely affects bacterial cells

d)

Whether pH changes stimulate bacterial cell division

3.

Which of the following is the dependent variable in the experiment described?

a)

The catalytic activity of the enzyme

b)

The temperature at which the experiment was conducted

c)

The concentration of enzyme used

d)

The concentration of the stock bacterial solution

4.

Based on the data in the table, which pH results in the greatest disruption of bacterial cell structure?

a)

3

b)

5

c)

7

d)

11

5.

One of the students decided to test the following hypothesis: Seeds need light to germinate. Which of the following experimental designs would be the most appropriate to test this hypothesis?

a)

A. Plant ten seeds in soil and place them in a dark cabinet.

b)

B. Place ten seeds on moist filter paper and place them on the windowsill. Place another ten seeds on moist filter paper and place them in a dark cabinet.

c)

C. Place one seed in a dish of water under a light. Place another seed of the same type in a dish of water in a dark cabinet.

d)

D. Put a full-grown geranium plant in the light and another full-grown plant of the same type in the dark.

6.

Many protists are single-celled organisms, as are bacteria. However, protists and bacteria are in different biological kingdoms. Which 2 comparisons of protists and bacteria is NOT true?

a)

Both protists and bacteria can be motile. 

b)

Both protists and bacteria are prokaryotes.

c)

Protists are eukaryotes, while bacteria are prokaryotes. 

d)

Protists may be photosynthetic, and bacteria can only be autotrophs.

7.

The correct order of the biological hierarchy from largest to smallest is:

a)

Domain, kingdom, class, family, order, phylum, genus, species. 

b)

Kingdom, phylum, order, family, class, genus, species, domain. 

c)

Domain, kingdom, phylum, class, order, family, genus, species.

d)

Kingdom, class, order, phylum, family, genus, species, domain.

8.

8.

Worm 1 belongs to which category?

a)

A.   Acanthocephala 

b)

B.   Ascaris 

c)

C.   Lumbricus 

d)

D.   Nais

9-10.

9.

Which organism has amniotic eggs?

a)

A. Prosimians

b)

B. Amphibians

c)

C. Insects

d)

Fish

10.

Which organism has a backbone but lacks 4 legs?

a)

A. Prosimians

b)

B. Amphibians

c)

C. Insects

d)

Fish

11.

Which graph best describes the relationship between trophic levels and available energy?

a)

A.

b)

B.

c)

C.

d)

D.

12-14.

A partial food web for the owl's ecosystem is shown.

12.

According to the food web, owls belong to which of the following trophic levels?

a)

producers

b)

primary consumers

c)

secondary consumers

d)

tertiary consumers

13.

A decrease in the population size of which of the following organisms would

most directly reduce the owl's survival?

a)

plant

b)

frog

c)

moth

d)

mosquito

14.

In the food web, ___ get the most energy and _____ gets the least energy.

a)

plants; bats

b)

moths; owls

c)

plants; owls

d)

mosquitos; frogs

15.

The ocean sunfish (Mola mola) is a large, flat fish that spends most of its time in deep water feeding mainly on jellyfish. Sunfish often have many species of copepods, small crustaceans, that bury their heads into the soft tissue of the sunfish. Sunfish will swim to the surface of the water and lie sideways, allowing seabirds to eat the copepods from their skin.

15.

Which list describes the types of relationships the sunfish has with other marine organisms?

a)
  1. Seabirds: mutualism Jellyfish: predation Copepods: parasitism

b)
  1. Seabirds: parasitism Jellyfish: commensalism Copepods: predation

c)
  1. Seabirds: predation Jellyfish: mutualism Copepods: commensalism

d)

Seabirds: commensalism Jellyfish: parasitism Copepods: mutualism

16.

Which process takes carbon from the environment and add it to the food chain?

a)

Cellular Respiration

b)

Photosynthesis

c)

Decomposion

d)

Bruning (especially fossil fuels)

17.

Select the 3 associated with viruses.

a)

Nonliving pathogen

b)

Lytic and Lysogenic reproduction

c)

Binary fission reproduction

d)

Genetic Material (DNA/RNA) and Capsid (Protein coat)

e)

Living, unicellular, pathogen

18.

Which statement correctly compares viruses to bacteria?

a)

Viruses are larger than bacteria, but both have a nucleus that contains genetic material.

b)

Viruses are smaller than bacteria, but both have a nucleus that contains genetic material.

c)

Viruses have a cell wall for protection, while bacteria are not surrounded by a cell wall.

d)

Viruses have a protein capsule for protection, while bacteria are surrounded by a cell wall and a cell membrane.

19.

The germ theory of disease states that:

a)
  1. macro-organisms can invade microorganisms and cause disease

b)
  1. cells are the fundamental units of life

c)
  1. one infectious agent causes one disease

d)

inadequate washing can cause disease to be transmitted from one individual to a new individual

20.

All are associated with bacteria EXCEPT

a)

Prokaryote

b)

Unicellular

c)

Cytoplasm

d)

Protista

21.

Which of these topics best completes this concept map?

a)

an animal cell 

b)

a prokaryotic cell 

c)

a virus 

d)

a plant cell

22.

All are properly matched EXCEPT:

a)

Mitochondria - photosynthesis

b)

Vacuole- storage

c)

Centrioles - cell division

d)

ER-transport

e)

Golgi - Packaging and shipping

23.

Two cells are shown below.  Which statement correctly identifies them both?

a)

Cell 1 is prokaryotic; cell 2 is eukaryotic

b)

Cell 1 is eukaryotic; cell 2 is prokaryotic

c)

Both are prokaryotic

d)

D. Both are eukaryotic

24.

Some students used vinegar to dissolve the shells of 3 eggs and used these eggs as models of human red blood cells. The students observed the changes in the eggs when they were placed in different solutions. 

Which correctly describes osmosis as depicted in the diagram?

a)
  1. 5% vinegar - isotonic

  2. pure water- hypertonic

  3. corn syrup-hypotonic

b)
  1. 5% vinegar -hypotonic

  2. pure water- isotonic

  3. corn syrup-hypertonic

c)
  1. 5% vinegar- hypertonic

  2. pure water - hyptonic

  3. corn syrup - isotonic

d)
  1. 5% vinegar - isotonic

  2. pure water - hypotonic

  3. corn syrup- hypertonic

25.

This molecule represents the backbone of all cellular membranes. Which of these best represents a fatty-acid molecule?

a)

A. Top left

b)

B. Top right

c)

C. Bottom left

d)

D. Bottom right

26.

The diagram illustrates the movement of glucose across a cell membrane.

Which is depicted?

a)

Diffusion

b)

Active transport (pump)

c)

Facilitated Diffusion

d)

Osmosis

27.

Pepsin and trypsin are enzymes that aid in protein digestion.

Based on observations, pepsin most likely aids in digestion in which part of the human body? 

a)

Pancreas

b)

Intestines

c)

Mouth

d)

Stomach

28.

Humans have physiologically adapted to sweat if the body temperature rises past ideal levels. The ability to do so helps cool the body down. The polarity of water allows water to have a high ______________, which allows us to maintain homeostasis and survive as we are today.

a)

Polarity

b)

Adhesive Rates

c)

Cohesive Rate

d)

Specific Heat

29.

Which cellular function of carbohydrates 

and lipids should be placed in the shared 

section of the Venn diagram?

a)

Hormone production

b)

Structural support of cell walls

c)

Energy storage

d)

Catalyst for chemical reactions

30.

Nitrogen bases are located on both strands of the DNA double helix. What is the significance of the nitrogenous bases?

a)

The order of nitrogenous bases determines the order of amino acids in the proteins synthesized.

b)

The number of adenines and cytosines determine the types of RNA that will be produced.

c)

The amount of thymine and guanine in the DNA molecules determines the length of the genes. 

d)

The type of hydrogen bonding between the nitrogenous bases determines which amino acid will be added to the peptide chain. 

31.

A model of an enzyme and its corresponding substrate is shown BEFORE a chemical reaction.

31.

Which model best represents the molecules at the end of the reaction? (Hint: Compare with the BEFORE reaction model)

a)

A

b)

B

c)

C

d)

D

32.

Which graphic organizer best  compares the energy inputs and outputs of cellular respiration and photosynthesis?

a)

A.

b)

B

c)

C

d)

D

33.

During the cell cycle, proteins called cyclins bind enzymes that send signals for the cell to progress through stages of cell replication. At the end of this cyclins degrade to prevent further signaling for the cell to divide.

33.

Uncontrolled production of cyclins will most likely result in -

a)

the formation of tumors

b)

the immediate death of the cell

c)

the transfer of cyclins to other cells

d)

the formation of haploid cells.

34.

Scientists can bioengineer skin in a laboratory to treat severe burns and other types of skin injuries. The bioengineered tissue is grown from living cells. The cellular process that enables the cells to grow and develop into tissue is -

a)

Conjugation

b)

Meiosis

c)

Budding 

d)

Mitosis

35.

Which table best compares the events that occur during different stages of the cell cycle?

a)

F

b)

G

c)

H

d)

J

36.

This cell division creates 2 identical copies of cells with the diploid number of chromosomes

a)

binary fission

b)

mitosis

c)

meosis

d)

None of these

37.

Associate with gamete (sex cell production). It produces 4 genetically different cells with the haploid number of chromosomes.

a)

Mitosis

b)

Meiosis

c)

Binar fiession

d)

None of these

38.

Components of DNA are shown.  Which DNA component is most directly associated with the  coding of genetic information?

a)

A. Phosphate

b)

B. Sugar phsopate backbone

c)

C. Sugar

d)

D. Nitrogen base (rungs)

39.

In domesticated dogs, hair type is controlled by two different alleles. The allele for wire hair is (H) and the allele for smooth hair is (h).

When two heterozygous dogs are crossed, what percentage of the offspring is expected to be homozygous for smooth hair?

a)

0

b)

25

c)

50

d)

75

40.

In certain dogs, deafness is due to a recessive allele (d), and normal hearing is due to its dominant allele (D).

What percentage of the offspring of a normal heterozygous dog and a deaf dog would be expected to have normal hearing?

a)

0

b)

25

c)

50

d)

100

41.

Which of the following sequences represents chromosome number during fertilization?

a)
  1. n + n → 2n

b)
  1. 2n→n+n

c)
  1. N→n

d)

2n→2n

42.

What contributed to the natural selection of the finches’ beaks? Select the three (3) answers that apply.

a)
  1. Eating tough seeds made their beaks thicker.

b)

There was an abundance of food available for all fiches. 

c)

Genetic variation for beak size existed within the population.

d)

Certain beak shapes were better suited for different food sources.

e)

Reproduction increased in individuals who located enough food.

43.

The modern horse (Equus) and two of its direct ancestors are shown in the diagram below. Which statement best explains how changes occurred leading from one species to the next?

a)

Individual of each species adapted to differences in environmental conditions. 

b)

Individuals of each species learned traits and passed them onto the offspring. 

c)

Sudden environmental changes caused each species to develop in one generation. 

d)

Small structural changes in each species were passed on to offspring over many generations.

44.

The scientific theory of evolution is supported by different types of evidence. The diagrams below show the skeletons of two different animal species. 

How does comparing the skeletons of these animals provide support for the scientific theory of evolution?

a)

It proves informations about the organisms’ habitats.

b)

It shows possible common ancestry between organisms

c)

It provides information to determine the organisms’ ages

d)

It shows possible chromosomal similarities between organisms.

45.

The pattern of periods of slow change interrupted by periods of rapid change with few, if any transitional fossils, best describes the theory of __________

a)

a. natural selection

b)

b. genetic drift

c)

c. punctuated equilibrium

d)

d. gene flow

46.

What term describes a solution that has the same solute concentration inside of and outside of the cell?

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

47.

The cell shrunk in size, which means it was placed in a ____ solution.

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

48.

What part of the cell regulates what can enter and leave the cell?  

a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cytoplasm
49.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
50.

This a picture of an animal and plant cell placed in a solution. Describe the solution?

a)

Isotonic

b)

Hypotonic

c)

Hypertonic

51.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
52.

(a)   is the process in which carbon dioxide and water combine, using energy from the Sun, to make sugar and oxygen.

53.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

54.

The organelle that makes ATP or energy is all cells is

a)

Mitochondria

b)

Chloroplast

c)

Nucleus

d)

Vacuole

55.

The control center of the cell. It contains the DNA

a)

Vacuole

b)

Chloroplast

c)

Nucleus

d)

Mitochondria

56.
Scenario: you walk into the science classroom and see an unfamiliar adult at the front of the room. You also see that Mr. Lundberg is not in the room. You wonder where he could be.
Which one(s) are observations?
a)
You walk into science.
b)
You see an unfamiliar adult.
c)
You wonder where Mr. Lundberg could be.
d)
None of these are observations
57.
Which of the following is an observation about this picture?
a)
The boy has fallen off his bike.
b)
The boy is in a lot of pain.
c)
The boy has injuries to his knees
d)
The boy learned his lesson about wheelies
58.
Which of the following organisms is a herbivore.
a)
butterfly
b)
snake
c)
fox
d)
ladybird
59.

Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.

a)

predator vs prey

b)

commensalism

c)

competition

d)

parasitism

60.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
61.
Which trait do only humans have, according to the cladogram?
a)
jaws
b)
mammary glands & hair
c)
terrestrial during all life stages
d)
bipedal & opposable thumbs
62.

Kingdom W belongs to...

a)

Fungi

b)

Plantae

c)

Animalia

d)

Protista

63.

The bacteria that live in extremely harsh environments (ex: extremophiles & methanogens) are found in which domain?

a)

Domain Bacteria

b)

Domain Archaea

c)

Domain Eukarya

64.
In this kingdom, you can find all the organisms are prokaryotes, unicellular, some may have a cell wall, their methanogens, halophiles, thermaphiles, and they are found in extreme environments.
a)
Eubacteria
b)
Archaebacteria
c)
Protists
d)
Fungi
65.

I do not produce my own food and my cell wall is made of chitin. What am I? 

a)
Animal
b)
Plant
c)
Fungi
d)
Protists
66.

Here is a table that shows the level of classification for a dog. What is the correct label for Y?

a)

Domain

b)

Genus

c)

Order

d)

Phylum

67.

Which piece of evidence above would BEST support the argument that Sample B is a virus?

a)

It lacks a nucleus.

b)

It does not give off oxygen.

c)

It has DNA.

d)

It cannot reproduce without a host.

68.

What is the main difference between primary and secondary ecological succession?

a)

Primary begins WITHOUT soil; Secondary begins WITH soil

b)

Primary is the first state and secondary is the second stage

c)

Primary builds plant community; secondary builds animal community.

d)

Primary begins WITH soil; Secondary begins WITHOUT soil

69.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
70.
What is the correct order from oldest (happened first) to youngest (happened last) in this pond succession?
a)
A, B, C, D
b)
D, C, B, A
c)
B, A, D, C
d)
C, D, A, B
71.
What type of succession is shown going from figure A to figure B?
a)
primary succession
b)
eutrophication
c)
secondary succession
d)
intermediate
72.
Which limiting factor would increase due to the number of individuals in a population?
a)
Unusual weather
b)
Natural disaster
c)
Births
d)
Disease
73.
What is the carrying capacity of the following graph?
a)
1000
b)
8000
c)
800
d)
600
74.
What is the carrying capacity of the graph?
a)
around 500
b)
more than 500
c)
less than 500
d)
around 600
75.

An extensive drought in the plains threatens wildebeest, giraffe, zebra, and springbok populations.

a)

Density-Dependent

b)

Density-Independent

76.

Which of the following is a density-dependent limiting factor?

a)

human activities

b)

unusual weather

c)

competition

d)

natural disaster

77.

Which of the following organisms is a herbivore.

a)

butterfly

b)

snake

c)

fox

d)

ladybird

78.

What is the relationship between plants and animals in the carbon cycle?

a)

plants produce and release oxygen that animals need

b)

plants make and release carbon dioxide that animals need

c)

animals make and release oxygen that plants need

d)

animals release oxygen that plants turn into food

79.

True or false: 0-5 is the initial phase, 12-18 is exponential growth, 19- 24 is the carrying capacity, and 25-26 is the death phase.

a)

True

b)

False

80.

Using the Food Wed provided, which species are secondary consumers?

a)

hawk

b)

fox

c)

mouse

d)

snake

e)

owl

81.

Using the Graph, during what years is the sheep population representing exponential growth?

a)

1820- 1850

b)

1900- 1920

c)

1820- 1920

d)

1840- 1870

82.

What is the correct order of this example of primary succession?

a)

A B C D

b)

C D A B

c)

C A B D

d)

C A D B

83.

Using the Data Table provided, what is the Dependent variable?

a)

the month of May

b)

Date

c)

number of birds sighted

84.

Using the image provided, what is the role of Denitrifying bacteria?

a)

converting Nitrogen gas to ammonia

b)

converting ammonia, nitrites, nitrates into atmospheric Nitrogen

c)

feeding on the roots of plants

d)

converting carbon in the soil into CO2

85.

Select 2: Which of the following is correctly matched?

a)

Density Dependent- Competition

Predation

Birth rate

b)

Density Independent- Competition

Predation

Birth rate

c)

Density Independent- Weather

Natural Disasters

d)

Density Dependent- Weather

Natural Disasters

86.

_______ is the study of organisms and how they interact with their environment.

a)

Ecology

b)

Botany

c)

Genetics

d)

Biology

87.

Eutrophication is caused by too much nutrients running off into bodies of water causing Algae blooms. The submerged aquatic plants will die from this process due to-

a)

too much oxygen in the water

b)

lack of oxygen in the water

c)

blockage of sunlight by the algae bloom on the surface of the water

d)

the submerged plant won't die

88.

Plants and animals can NOT use atmospheric Nitrogen. What converts Nitrogen gas into ammonia, Nitrites, and Nitrates for plants to get the Nitrogen needed for growth?

a)

bacteria on roots that alter the Nitrogen

b)

bacteria in the air land on leaves to alter Nitrogen

c)

animals alter Nitrogen for plants

d)

pioneer species alter the Nitrogen

89.

VA Temperate Deciduous Forest has 4 seasons, diverse mammals, and tall hardwood trees like oak and hickory. This is describing a-

a)

climax community

b)

niche

c)

population

d)

ecology

90.
Which domain is capable of living in extreme environments like hot springs, geysers, or very salty waters?
a)
Bacteria
b)
Archaea
c)
Eukarya
91.

Which organism is most closely related to Quercus rubrum?

a)

Acer rubrum

b)

Quercus macrophylla

92.

The grizzly bear is most related to the

a)

squirrel

b)

snake

c)

fox

d)

sea star

93.
Which trait do only humans have, according to the cladogram?
a)
jaws
b)
mammary glands & hair
c)
terrestrial during all life stages
d)
bipedal & opposable thumbs
94.
Based on the phylogenic tree, which of these shows a correct ancestral lineage?
a)
E is an ancestor to F and G
b)
C is an ancestor to D and E
c)
B is an ancestor to A
d)
E is an ancestor to H and I
95.
Which two orgainsms have hair? 
a)
Sharks & Ray Finned Fish
b)
Primates & Rodents
c)
Birds & Crocodiles
d)
Rabbits & Birds
96.

An illustration and a dichotomous key are given. What is the correct classification for this organism?

a)

Class Insecta

b)

Order Scorpiones

c)

Order Araneae

d)

Order Amblypygi

97.

Dichotomous keys are used to name organism. Based on the description, which leaf has the genus name Cercis?

a)

I.

b)

II

c)

V

d)

VI

98.

In addition to lobe leaf edge, what other characteristics would White Oak have?

a)

Needle leaves and singlets

b)

Clustered needles and Jagged edge

c)

Simple leaves with smooth edges

d)

Non-needle leaves with compound leaves

99.

Based on the results of the tests, the Scientist could classify the unknown organism as..

a)

bacteria

b)

fungi

c)

plant

d)

protist

100.

Which Kingdom is represented by organisms found in Domain V?

a)

bacteria

b)

archaebacteria

c)

fungi

d)

protist

101.

Which Kingdom is represented by organisms found in Domain X?

a)

bacteria

b)

archaebacteria

c)

fungi

d)

protist

102.

Kingdom W belongs to...

a)

Fungi

b)

Plantae

c)

Animalia

d)

Protista

103.

Which statement is best supported by the phylogenetic tree shown?

a)

Species W first came into existence 10 million years ago

b)

Species V is still alive today and is the oldest species.

c)

Species X, Y, and Z became extinct 20 million years ago

d)

Species W is still developing from a prior species

104.

According to modern biologist, hereditary variations are due to...

a)

use or lack of use of organs

b)

inheritance of characteristics aquired during development

c)

need for adapting to a changed enironment

d)

genetic changes resulting from mutations and recombinations

105.

Two fruit flies are crossed with each other. The offspring is a female and will inherit which set of chromosomes?

a)

b)

c)

106.

Mendel's idea that inheriting a particular allele for eye color does not affect the ability to inherit any other allele for hair color. For example, you could inherit your mom's hair color and your father's eye color. One trait does NOT affect the inheritance of other.

a)

Independent Assortment

b)

Sex Linkage

c)

Crossing over

d)

Mitosis

107.

Red flower color is dominant to white flower color in rose plants. What is the expected result of a cross between two heterozygous rose plants?

a)

100 red

b)

75 red, 25 white

c)

50 red, 50 white

d)

25 red, 75 white

108.

To classify an organism a scientist finds in the field, which of these will the scientist first compare to other known organisms?

a)

diet

b)

niche

c)

physical structure

d)

reproductive method

109.

Darwin's explanation for evolution was dependent on which scientific concept?

a)

the ability of organisms to learn

b)

significance of social behaviors to survival

c)

the existence of variations in a population

d)

the relationship between size and survival

110.

The weakness of hydrogen bonds between the bases of DNA allows-

a)

rearrangement of the sequence of bases to take place

b)

base pairs to separate during transcription and replication

c)

new bases to be separated into the DNA molecule

d)

conversion of bases to amino acids in the event of cell starvation

111.

Which of these would most likely result in a change to the current classification of an organism?

a)

discovering organisms with similar physical traits in fossil record

b)

finding a related organism that was previously considered extinct

c)

linking the organism to different ancestors through DNA sequencing

d)

Observing organisms that occupy the same ecological niche

112.

Which DNA triplet would transcribe and translate to produce the amino acid Histidine?

a)

CGA

b)

GTG

c)

CUC

d)

UUU

113.

What is the relationship between an organism's DNA and Protein specificity?

a)

DNA becomes a specific part of the protein structure

b)

DNA determines the ribosomal RNA sequence that becomes part of the protein structure

c)

DNA determines RNA molecules are incorporated into protein molecules

d)

DNA determines the amino acid sequence of each protein