生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
-
true or false question taxonomic ranks or levels such as \family\ and \…
True
-
multiple choice question the science of classifying living things is kn…
B. taxonomy
-
multiple choice question the hydrogen hypothesis suggests that during e…
the host cell became dependent on endosymbiont-produced hydrogen for energy
-
multiple choice question a(n) ______ tree is more difficult to develop …
rooted/unrooted
-
multiple choice question which method of phylogenetic tree construction…
Evolutionary distance
-
select all that apply which two of the following methods are used to ev…
Bootstrapping, Bayesian inference
-
fill in the blank question the two broad categories of approaches for b…
1. Distance 2. Character
-
multiple select question select all that apply which two of the followi…
C. It is more complicated than distance-based methods. D. It begins with certain assumptions about evolutionary pathways.
-
signature sequences in 18s rrna molecules are ______. common to all cel…
found only in eukaryotes
-
multiple choice question on a phylogenetic tree, the distance from the …
the relatedness of two organisms
-
multiple choice question short, conserved rrna gene sequences that defi…
oligonucleotide signature sequences
-
fill in the blank question the endosymbiotic theory for mitochondria ha…
Oxygen
-
multiple choice question building phylogenetic trees using the distance…
calculating the percent differences in pairwise comparisons of aligned sequences
-
select all that apply small subunit rrna gene sequencing has become a m…
- B. assigning microbes to taxonomic groups - D. inferring the phylogeny of microorganisms
-
multiple select question select all that apply name the two broad types…
B. Distance-based, D. Character-based
-
select the best evidence to support the statement that some lizards dar…
Some lizards can adjust their temperature by changing color. In the morning their skins are darkened because dark colors are better at absorbing heat. As the day warms up, their s…
-
multiple choice question which is true for the possible types of compar…
The variable regions allow comparisons between closely related microbes while the stable sequences allow comparisons between more distantly related microbes.
-
signature sequences for the genus pseudomonas may be found in ______. o…
only Pseudomonas species
-
multiple choice question oligonucleotide signature sequences are ______…
small, conserved nucleotide sequences that are specific only to particular phylogenetic groups of organisms
-
fill in the blank question the term phylogeny refers to the development…
evolutionary
-
multiple choice question the hydrogen hypothesis suggests that during e…
the host cell became dependent on endosymbiont-produced hydrogen for energy
-
multiple choice question the hydrogen hypothesis suggests that during e…
the host cell became dependent on endosymbiont-produced hydrogen for energy
-
fill in the blank question the sequencing of small subunit ribosomal ge…
RNA
-
multiple choice question the origin of chloroplasts is included in whic…
B. Endosymbiotic hypothesis
-
fill in the blank question the stable sequences found in small subunit …
distantly
-
multiple choice question the origin of mitochondria is included in whic…
Endosymbiotic hypothesis
-
political & cultural changes quick check which statement best analyzes …
D. The Red Scare was a continuation of the Cold War policy of surveilling communists.
-
fill in the blank question assuming each letter represents a different …
phylogenetic
-
multiple choice question the term that describes one organism living in…
D. endosymbiosis
-
multiple choice question which term refers to the evolutionary developm…
D. Phylogeny
-
multiple choice question the endosymbiotic hypothesis suggests an origi…
mitochondria, chloroplasts, and hydrogenosomes
-
fill in the blank question the endosymbiotic theory for mitochondria ha…
Oxygen (O₂)
-
fill in the blank question the acronym describing the last universal co…
LUCA
-
multiple choice question it is hypothesized that chloroplasts were once…
free-living bacterial cells
-
multiple choice question rna plays a critical role in the development o…
all three types of RNA contribute to protein synthesis
-
multiple choice question it is hypothesized that mitochondria were once…
free-living bacterial cells
-
multiple choice question what is the primary role of dna in a cell? pro…
Store information
-
multiple choice question an endosymbiosis between two organisms means t…
one organism lives inside the other
-
fill in the blank question in bacteria and your cells, rna is synthesiz…
1. DNA 2. protein
-
fill in the blank question the hypothesis that proposes an origin for m…
Endosymbiotic
-
multiple choice question what is the name for catalytic proteins that s…
B. Enzymes
-
multiple choice question luca is a term used to describe the ______. le…
last universal common ancestor
-
multiple choice question which role is not played by proteins in extant…
C. Store information
-
multiple choice question which type of molecule is directly used in pro…
C. RNA
-
the table shows values of the expressions $10x^2$ and $2^x$. 1. describ…
### Part 1: Describe how the values of each expression change as \( x \) increases For \( 10x^2 \): As \( x \) increases, \( x^2 \) increases quadratically, so \( 10x^2 \) increas…
-
multiple choice question the genetic information of the cell is stored …
C. DNA
-
multiple choice question dna is the template for the synthesis of _____…
RNA
-
multiple choice question which group of organisms is numerically domina…
D. Microbes
-
fill in the blank question catalytic proteins that speed up chemical re…
enzymes
-
multiple choice question viruses are which kind of infectious agent? - …
Acellular
-
multiple choice question which cellular role is played primarily by pro…
D. Catalyze reactions
-
the ______ is controlled by the experimenter, while the ______ represen…
O independent variable; dependent variable
-
multiple choice question which group of organisms is not included in th…
E. Bacteria
-
question 9 1 pts height and weight are positively correlated. this mean…
As height increases, typically weight increases.
-
multiple choice question archaea have become well recognized for ______…
living in extreme environments
-
select all that apply which three supporting (i.e., positive) roles do …
- Contribute to immune system development - Produce vitamins in the intestines - Help digest food in the intestines
-
multiple choice question which group of organisms has the greatest numb…
C. Microbes
-
multiple choice question an infectious agent consisting of nucleic acid…
C. satellite (Note: Assuming the options are labeled A - D with A: viroid, B: prion, C: satellite, D: bacteria)
-
select all that apply select the four characteristics that are most com…
- Usually single - celled - Lack a nucleus - Lack membrane - bound organelles - Peptidoglycan cell wall
-
multiple choice question to reproduce, viruses must ______. - grow and …
enter a host cell
-
based on rrna comparisons, which are the three domains of life? bacteri…
- Bacteria - Eukarya - Archaea
-
select all that apply which organisms are included in domain eukarya? a…
- Protists - Plants - Fungi - Animals
-
fill in the blank question in the obsolete five - kingdom system, proka…
Monera
-
which three features distinguish archaeal cells from bacterial cells? d…
- Different rRNA sequences - Unique membrane lipids - Distinctive cell walls
-
select all that apply which are the five kingdoms of life? animalia fun…
A. Animalia B. Fungi D. Monera E. Protista F. Plantae
-
which of the following statements is true regarding the human microbiom…
A. Most bacteria do not cause disease in humans.
-
what is the role of membrane - bound organelles in eukaryotic cells? - …
Separate some cellular materials and processes from others
-
multiple choice question which is a characteristic of most bacteria? la…
D. Single-celled
-
generally, membrane - bound organelles can be found in ______. options:…
A. eukaryotes only
-
generally, membrane - bound organelles can be found in ______. - eukary…
O eukaryotes only
-
what are the three domains of life based on rrna comparisons? eukarya, …
B. Bacteria, Archaea, and Eukarya
-
multiple choice question which feature is most commonly used to describ…
No nucleus
-
hydrogen bond covalent bond water molecule check my work
- Top empty box (connecting to the solid lines between O and H in a single structure): Covalent bond - Bottom empty box (connecting to the dashed line between two structures): Hyd…
-
multiple choice question in the obsolete five - kingdom system, prokary…
D. Monera
-
some microorganisms can be macroscopic because they are ______. multice…
A. multicellular
-
which group is not included in the five kingdoms of life? fungi animali…
D. Bacteria
-
select all that apply which three of the following groups are acellular…
- Prions - Viruses - Viroids
-
what is translation? translation once mrna has been transcribed in the …
Translation is the process where the genetic message carried by mRNA (after transcription from DNA in the nucleus) is decoded to synthesize proteins, which are needed for life pro…
-
multiple choice question which feature describes eukaryotic cells? cont…
Contain a nucleus
-
select all that apply which four of the following groups are generally …
- Yeasts - Prions - Bacteria - Viruses
-
membrane-bound organelles are found in prokaryotes but not in eukaryote…
False
-
which is the best description of microorganisms? - organisms that have …
D. Organisms too small to be seen clearly by the unaided eye
-
how do prokaryotic cells most commonly differ from eukaryotic cells? la…
A. Lack a nucleus
-
how are macroscopic microorganisms distinguished from other multicellul…
They lack differentiated tissues (and/or cell types).
-
select all that apply which four of the following groups are cellular? …
A. Archaea, C. Bacteria, D. Fungi, H. Protists
-
select all that apply which four of the following groups are generally …
Protists, Bacteria, Viroids, Archaea (the options with these labels: Protists, Bacteria, Viroids, Archaea)
-
fill in the blank question organisms that are too small to be clearly s…
microorganisms
-
a test of courage a test of courage lila gripped the ropes of the climb…
The author reveals Lila's internal feelings through physical cues, internal reflections, and her actions toward others: 1. **Initial Fear and Anxiety**: Physical details like "her…
-
read the following selection. then, write the correct answer. the legis…
7.10) Treason is defined as levying War against the United States, or adhering to their Enemies. For the question "Should a person who assists someone making war against the Unite…
-
knowledge of the functioning of cells and dna has led to the creation o…
The correct option is: Is it wrong to change or control life forms?
-
a gene can be defined as which of the following? a specific chemical fo…
an identifiable portion of a strand of DNA that contains the instructions for a single structure or function (the option with this description)
-
which of the following are tools and methods used to study cells? check…
- microscopy - cell culturing - immunostaining - DNA tagging
-
albert von kölliker was the first researcher to isolate mitochondria, w…
the structures within cells that generate energy for fueling cellular processes
-
cell research led to the development of epidemiology, which is a field …
the study of how infectious diseases spread through a population.
-
what is being identified when antibodies stick to pathogens during immu…
antigens (the option corresponding to "antigens")
-
which of the following is produced by the immune system to identify for…
A. antibodies
-
what is the nutrient - rich material used to grow cells? ○ agar ○ bacte…
A. agar
-
which of the following is an example of a treatment for human disease t…
antibiotics
-
review the details below. surfing, popular in pre - colonial hawaii, wa…
A. A number of factors influenced the spread of surfing's popularity in the early twentieth century.
-
use the drop - down menus to select the best answers. watson and crick …
First dropdown (Watson and Crick): discovered the structure of DNA Second dropdown (developed the technique of cell culturing): [The appropriate researcher from dropdown, e.g., if…