Biology
Cell biology, genetics, ecology, and life science fundamentals.
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check all that apply catalytic activity storage of genetic information …
catalytic activity, membrane structure, signaling molecules (such as hormones or neurotransmitters)
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18. what is the size of the human population? 19. what is astronomy? 20…
18. Over 8 billion (as of 2024). 19. The scientific study of celestial objects, space, and the universe. 20. The leading scientific explanation for the origin of the universe; abo…
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by spending money from taxes on ___ and ___ by transferring payments ma…
- a leakage from a household to the financial sector: Savings in a bank - an injection from government to households: Social security payments - an injection from the financial se…
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what happens to a cell when it becomes cancerous? the cell no longer re…
The cell no longer responds to signals that regulate the cell cycle.
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which of the following are functions of carbohydrates? (select all that…
storage of energy, structural support
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multiple choice 1 point read this excerpt from paragraph 25. did the cu…
D. emphasize Balboa's guilty conscience
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edna has been saving $4 from her allowance each week. if you track the …
A. arithmetic
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select the word that means positioned from side to side. look at an ani…
horizontal
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question 4 the puritans believed: that a holy life would lead to eterna…
In predestination
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15 multiple choice 2 points which of the following are would contain mh…
C. Macrophages, dendritic cells and B cells
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which of the following are functions of proteins? (select all that appl…
catalytic (enzymatic) activity, structural support, transport of molecules/ions through blood and across plasma membranes
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which of the following tests requires heating prior to observing result…
C. Benedict's test
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13 multiple choice 2 points ____ are targeted by the hiv virus. naive b…
D. CD4 T cells
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7. how did galileo contribute to the scientific revolution? he had the …
7. Galileo improved the telescope and made astronomical observations supporting the heliocentric model. 8. Marie Curie; discovered polonium and radium and contributed to radioacti…
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match the body regions in column a with the locations in column b. plac…
1. Pelvic - G. Pelvis 2. Mammary - I. Breasts 3. Occipital - O. Lower posterior region of head 4. Palmar - E. Palm 5. Pectoral - F. Chest 6. Pedal - K. Foot 7. Pelvic (again, assu…
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larry is reviewing his cell phone bill. when he gets to the text messag…
geometric
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what is the purpose of mitosis? to produce cells for growth and repair …
To produce cells for growth and repair
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11 multiple choice 2 points which of the following is the transfer of a…
D. Transamination
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which process reduces the number of chromosomes by half? meiosis ketosi…
meiosis
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match the body regions in column a with the locations in column b. plac…
1. Left - upper quadrant 2. Right - lower quadrant 3. Throughout abdomen (prominent in four quadrants) 4. Right - upper quadrant 5. Left - lower quadrant 6. Left - upper quadrant
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plants reproduce sexually. which of these is necessary for plants to re…
a pollinator
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which of the following is not an advantage of asexual reproduction? fas…
creates genetic variation
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which is the best way to complete the text? rana sylvatica, a species o…
hibernation; it
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in which phase of meiosis do spindles form around two separate cells? a…
Prophase II
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in which phase of meiosis does the nuclear membrane reform? telophase i…
Telophase I
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multiple choice 2 points glycolysis is the breakdown of glucose into py…
B. gluconeogenesis
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what is the division of the nucleus of a cell called? mitosis prophase …
Mitosis
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8 multiple choice 2 points the amount of energy that is released in met…
Lipids
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what is anaphase responsible for? the chromatids or chromosomes form in…
The chromosomes separate and move toward opposite ends of the cell.
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which of the following is true of the cell cycle? cells go through diff…
Cells go through different phases as they grow/mature.
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which of the following is a signal that a cell is ready to enter synthe…
DNA replication occurs
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which of the following is a signal that a cell is ready to enter synthe…
None of the above options are correct signals that a cell is ready to enter synthesis phase.
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how does a cell avoid dna overload? the cell creates more dna. the cell…
The cell divides.
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what is the term when a cell divides into two new daughter cells? cell …
cell division
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14. charles collected data on a fishs growth. he wanted to know how the…
The piece of data 48 cm might indicate an experimental error because it is much larger than the other values in the data - set.
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what form of dna is open and not condensed, allowing easy access to the…
chromatin
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a biochemical pathway consists of a specific sequence of enzyme - catal…
True
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why does dna need to be in a tightly condensed shape for cell division?…
to move it more easily
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true or false. if the end product of a biochemical pathway becomes avai…
False
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a killer t cell encounters a naive body cell that is displaying foreign…
The Killer T cell will destroy the cell via perforins and granzymes
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if dna has to be unwound in certain areas to provide access to certain …
It would be too large for the cell.
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1 multiple choice 2 points which of the following is a function of the …
Destroys plasma membranes
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select the word that means new and different. in 2012, scientists notic…
novel
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what is the molecule that dna wraps around to become chromosomes? ribos…
C. histones
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which of these forms does chromatin condense into? centrioles histones …
chromosomes
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true or false all biochemical pathways have the same number of enzymati…
False
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in a biochemical pathway, the product of the first reaction becomes the…
True
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why does dna need to be tightly wound up in cells? for proteins to star…
to fit inside the cell
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which is the common location of dna? mitochondria nucleus cytoplasm
B. nucleus
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8. what is the atmosphere? 9. list the 4 (four) major parts of the atmo…
8. A layer of gases surrounding a planet held by gravity. 9. Troposphere, stratosphere, mesosphere, thermosphere. 10. Scientific study of the atmosphere for weather processes and …
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the respiratory system... involves our breathing. gets rid of carbon di…
C. does all of these.
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cells come together to directly create... organ systems. organs. organi…
D. tissues
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which form of dna is the most tightly packed together? chromosomes hist…
chromosomes
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in multicellular organisms, cells directly organize into... organs. tis…
B. tissues
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dna is present in the cell as chromatin or chromosomes depending on wha…
Chromosomes
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tissues come together to directly create... cells. organ/body systems. …
C. organs
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select the correct answer. then click the submit button. every year, sa…
C. They were born
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when the cell is not dividing, how is dna organized in the cell? chroma…
Chromatin
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an organ or body system is best described as a... collection of cells, …
D. collection of organs, all performing different functions with a unified purpose.
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which form of dna organization is more condensed? chromosomes chromatin
Chromosomes
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practice it! which of the following answer choices is an organism that …
An organism that has a nucleus and is made of a single cell.
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to organize dna into chromosomes, it is wrapped around circular protein…
Histones
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what is the function of mitochondria? a store the cells genetic informa…
d. provide energy for the cell
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1. french - indian war a. what is its impact on the french empire? loss…
1. **a. Loss of most American territories, weakening of colonial power** 1. **b. Treaty of Paris (1763)** 1. **c. British debt led to higher taxes and greater control over colonie…
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select the word that means become weaker. pheidole dentata, an ant of t…
decline
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a fill in the blanks. use the map and the words in the box. chef dancer…
No se pueden responder los ítems 2 - 10 sin más información.
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which organelle is found in eukaryotic cells and contains dna? a nucleu…
a. nucleus
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practice it! which of the following are characteristics of the kingdom …
decomposer, multicellular or unicellular, heterotrophic, cell wall
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where do prokaryotes store their dna since they do not have a nucleus? …
d. cytoplasm
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vocabulary a fill in the blanks. use the map and the words in the box. …
No se pueden responder sin más datos.
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what is the general term for structures within the cytoplasm that perfo…
organelles
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prokaryotic and eukaryotic cells have which characteristic(s)? select a…
b. synthesize proteins, c. store DNA
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select the word that means a break. your bones are very strong. but if …
fracture
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which organelle(s) do eukaryotes have that prokaryotes do not have? sel…
b. Golgi apparatus, d. nucleus
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what are the components of a eukaryotic cell? select all that apply a v…
a. vesicles, b. nucleus, c. endoplasmic reticulum (ER), d. cell membrane
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what are the common features of prokaryotic cells? select all that appl…
a. cell membrane, b. cytoplasm
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which organelles are found in prokaryotes? select all that apply a nucl…
d. ribosomes
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what type of organisms can be multicellular? a prokaryotes b bacteria c…
c. eukaryotes
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prokaryotic cells lack a nucleus and most internal structures of eukary…
1. Prokaryotic cells, Eukaryotic cells 2. Cytoplasm 3. Organelles 4. All living things are made of cells; cells are the basic unit of life; new cells come from existing cells
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evaluate each function for the given value of x, and write the input an…
6. $(4,71)$ 7. $(-5,3)$ 8. $(3,-2)$ 9. $(9,-\frac{725}{162})$ 10. $C(x)=15x + 50$, $C(8)=170$
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what structure is found in both eukaryotes and prokaryotes? a membrane …
d. ribosomes
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what is the watery substance that makes up the cytoplasm? a cytoskeleto…
b. cytosol
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section 3.1 cell theory key concept cells are the basic unit of life. e…
All cells come from other living cells.
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what word did van leeuwenhoek use for the tiny organisms he saw with hi…
c. animalcules
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turner syndrome is a result of which of the following nondisjunction mu…
only an X chromosome is inherited with no Y chromosome
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select the word that means purpose. why do male lions have manes? peopl…
function
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klinefelters syndrome is a result of which of the following nondisjunct…
two X chromosomes and a Y
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down syndrome is caused by which of the following mutations? only 45 to…
three copies of the 21st chromosome
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what is the meaning of the word chide as used in the passage? use the a…
to express disapproval of
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read the passage. then, select the antonym of the word in bold. i often…
applaud
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determine whether the measurements are greater than (>), less than (<),…
22. > 23. = 24. > 25. = 26. < 27. < 28. < 29. < 30. > 31. > 32. > 33. a. kilogram, base - unit modified by prefix; b. square - kilometer, derived unit; c. milligram, base - unit m…
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complete the statement below. deletion mutations are a type of... neutr…
frameshift mutation.
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when does nondisjunction occur? when a nucleotide is deleted when homol…
when homologous chromosomes fail to separate during meiosis
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what type of mutations affect the whole chromosome? neutral mutations s…
inversion mutations
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review academic vocabulary lipid protein enzyme substrate 1. :polymer o…
1. protein 2. enzyme 3. lipid 4. substrate For preview: 1. Allows some substances through cell membrane 2. Movement from high to low concentration 3. Cells engulfing and recycling…
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which type of chromosomal mutation results in the reversal of a part of…
B. inversion
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what is the meaning of the word obsolete as used in the passage? use th…
no longer in use
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practice it! select the statement that accurately summarizes the charac…
heterotrophic, eukaryotic, multicellular
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practice it! which of the following are characteristics of the kingdom …
autotrophic, multicellular, eukaryotic
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4.1 assessment understand management concepts determine the best answer…
1. c. ensuring a business will be successful and profitable 2. b. SWOT 3. Top executives set long - term strategy; lower - level involved in day - to - day operations. 4. A clear …