生物
細胞生物学、遺伝学、生態学、生命科学の基礎。
-
2 multiple choice 1 point what is the primary function of the myelin sh…
D. To speed up neural transmission.
-
multiple answer 3 points from the answers below select the 5 most commo…
Nitrogen. Carbon. Hydrogen. Oxygen. Phosphorus.
-
multiple - meaning words in context define multiple - meaning words 1. …
2. adjective; common quality or characteristic 5. A tornado struck the small town, causing great damage. 6. He struck the table with his fist in anger. 7. She received a beautiful…
-
analyzing graphics: enzymes 1. enzymes act on substrates. label the enz…
Enzyme: The large, shaped molecule. Substrate: The small molecules that bind to enzyme. Active site: The indentation on enzyme where substrate binds. Products: The new molecules f…
-
2 multiple choice 1 point what is the primary function of the myelin sh…
To speed up neural transmission.
-
yellow journalism was characterized by ○ sensationalized headlines over…
Sensationalized headlines over factual content
-
what does genetic variation contribute to within a species? a. uniformi…
1. d. Diversity among individuals 2. a. Natural selection 3. d. Forced adaptation to changing environments
-
which evidence provides the best evidence to support the conclusion tha…
A. During the two centuries following the discovery of the New World, over 90% of the native population were killed by disease and warfare.
-
lucy, a partial skeleton found in ethiopia, revealed a bipedal creature…
1. d. 3.2 million 2. c. Geographical isolation 3. b. Skeletal structures between humans and certain primates
-
what is bipedalism and why is it significant in human evolution? a. the…
1. b. The adaptation of walking on two legs, leading to changes in movement and skeletal structure 2. b. Ancestors' physical forms and behaviors 3. c. Bipedalism
-
plants for sun and shade sun exposure geranium impatiens fuchsia trilli…
# Explicación: ## Paso1: Observar la barra de sombra parcial En la barra de "Parcial Shade" del gráfico, se comparan las alturas de las barras de Geranio, Impatiens, Fucsia y Tril…
-
how does force production differ between slow - twitch and fast - twitc…
Slow-twitch fibers generate less force but can sustain it for longer periods of time. Fast-twitch fibers generate more force but fatigue more quickly.
-
10 multiple answer 3 points from the choices provided below, select all…
Insulin Antibodies Hemoglobin
-
temporal isolation occurs when populations have different times or seas…
1. Breeding 2. Mating
-
what is the role of sarcomere length in the length - tension relationsh…
Sarcomere length plays a role in the length - tension relationship. Slow - twitch fibers have longer sarcomeres and generate more tension at longer lengths. Fast - twitch fibers h…
-
what is the length - tension relationship? the relationship between the…
The relationship between the length of a muscle and the amount of tension it can produce.
-
question 16 (1 point) why did the childs cells struggle to move nutrien…
Question 16: b. Water is a universal solvent that carries nutrients in blood. Question 17: c. Lakes would freeze solid, killing aquatic life.
-
what is the role of atp in muscle contraction? it helps in the formatio…
It provides the energy required for the sliding filament process.
-
reproductive isolation serves as a pivotal concept in understanding how…
1. form 2. geographically 3. food 4. species 5. isolated 6. gene 7. signals
-
what are cross - bridges? the connections between the myosin tails and …
Connections between the myosin heads and the actin filaments
-
what triggers the sliding filament process? the binding of atp to myosi…
The release of calcium ions from the sarcoplasmic reticulum.
-
multiple answer 3 points. proteins are some of the most diverse of the …
# Breve explicación: Las proteínas juegan múltiples roles en el cuerpo. Las proteínas inmunológicas contribuyen a la inmunidad. Las enzimas, que son proteínas, actúan como cataliz…
-
practice it what are actin and myosin? two proteins that make up the ce…
Two proteins that are essential for muscle contraction.
-
over the past few centuries, scientists have made discoveries that have…
Viruses spread by entering host cells and using their replication machinery. They can be transmitted via different routes. Once in the body, they disrupt cell functions and cause …
-
bio - 201 topic 4: skeletal and smooth muscle practice it what is the r…
Skeletal muscles help to cool the body down by releasing heat.
-
what is the role of behavioral isolation in speciation? a. to prevent i…
1. a. To prevent interbreeding due to differences in mating rituals 2. d. The prevention of interbreeding between populations leading to distinct species formation 3. b. Mechanica…
-
bio-201 topic 4: skeletal and smooth muscle practice it what is the dif…
B. Slow - twitch fibers are highly resistant to fatigue, while fast - twitch fibers fatigue quickly. D. Fast - twitch fibers are used for explosive movements, while slow - twitch …
-
which scenario represents allopatric speciation? a. a group of rodents …
1. a. A group of rodents isolated on an island due to a geographic barrier 2. d. Temporal isolation 3. a. Speciation
-
directions: choose the correct answer for each row. viruses have severa…
1. cannot reproduce without a host cell: viruses 2. contains organelles: bacterial cells 3. is considered a living thing: bacterial cells 4. does not have a cell wall: viruses 5. …
-
11. when the process of mitosis is correctly completed, the daughter ce…
A. Nucleic acids
-
a set of 3 nitrogenous bases is called what? tribase codon a triple cod…
B. codon
-
part b in part a, you were to select two differences between eukaryotic…
1. Both cells have cell membranes. 2. Both cells have ribosomes.
-
biology 1a final exam study guide -- chapters 1 yellow sunflower book 1…
1. To understand, predict, and control natural phenomena. 2. Observation, hypothesis - formation, experiment, data - analysis, conclusion - drawing. 3. Curiosity, skepticism, open…
-
learn and reflect atp synthase is an enzyme used during photosynthesis …
ATP synthase is important for photosynthesis as it uses the proton gradient from light - dependent reactions to make ATP for the Calvin cycle. In cellular respiration, it generate…
-
which term defines the process that leads to the formation of reproduct…
1. d. Speciation 2. a. Allopatric speciation 3. a. A small subgroup becomes isolated and diverges from a larger population
-
this is a two - part question. first, answer part a. then, answer part …
Eukaryotic cells have nuclei. Eukaryotic cells are much larger.
-
both the influenza virus and the protist cell have projections that ext…
Viruses use projections to attach to cells while protists use projections to move through their environment.
-
what does the t in trna stand for? transfer t cell total
transfer
-
8. scientists are designing new medicines to fight infectious diseases …
stop viruses from attaching to cells
-
7. a student claims that the influenza virus replicates in the air and …
The claim is false because viruses require host cells in order to replicate.
-
bio - 201 topic 4: skeletal and smooth muscle practice it what is the r…
Movement, posture, and temperature regulation.
-
a model of the cell membrane shows many different molecules that perfor…
Lipids
-
which one of the cells shown is eukaryotic? the cell that contains cyto…
The cell that contains the nucleus
-
read this excerpt from the text. although he spent so much time on math…
C. shows that Ramanujan struggled to learn new ideas.
-
what does the r in rrna stand for? reticulated really, another question…
C. ribosomal
-
read this excerpt from the text. this excerpt shows that ramanujan was …
A. shows that Ramanujan was eager to teach students.
-
ribosomes make proteins true false
true
-
13. what is the significance of mutations in the process of evolution? …
13. c. They provide new genetic variations for natural selection to act upon 14. b. Similar traits evolving due to similar environmental pressures 15. c. Genetic diversity
-
mrna leaves the _, into the _, and attaches to a _. cell, body, organs …
nucleus, cytoplasm, ribosome
-
10. what does selection pressure refer to in an ecological context? a. …
10. C. Environmental factors that influence the success of individuals 11. D. Natural selection 12. B. The variety of species and ecosystems on Earth
-
jesus came to give us life that is: eternal worldly abundant defiled
eternal, abundant
-
7. what is a primary contribution of biogeography to the understanding …
7. d. Distribution patterns of species 8. d. Specific traits 9. a. The flippers of a dolphin and the arms of a human
-
4. which of the following best describes darwins theory of evolution? a…
4. c. Species evolve and adapt to their environments through natural selection 5. b. Natural selection 6. a. Blending into the environment
-
1. what does comparative anatomy study among different species? a. gene…
1. b. Anatomical structures 2. a. It provides insights into biodiversity and adaptation 3. b. They provide evidence of intermediate forms between different species.
-
question 4 1 pts what is the primary purpose of using common objects in…
To provide convenient testing alternatives
-
which of the following statements are part of the cell theory? (select …
- All organisms are composed of one or more cells. - All cells arise from pre - existing, living cells. - The cell is the basic unit of life.
-
multiple choice question what is a polyribosome? a ribosome that can bi…
A group of several/many ribosomes associated with a single mRNA strand
-
multiple ribosomes associated with one mrna strand, producing multiple …
polysome
-
regular exercise can help people consume less junk food. which sentence…
C. The first is that the brain's reward system — the one that feels good when we do something we like — becomes less sensitive to food cues.
-
multiple choice question transcription is defined as _______, while tra…
A. synthesizing RNA from DNA; using RNA to make a protein
-
what does the m in mrna stand for? molecule messenger missing rewatch
B. messenger
-
fill in the blank question proteins that help newly - formed polypeptid…
Chaperones
-
what is a polyribosome? a ribosome that is able to \translate\ more tha…
A group of several/many ribosomes associated with a single mRNA strand
-
if you start with one cell, how many rounds of cell division have to oc…
# Explicación paso a paso: ## Paso 1: Comprender el patrón de división celular En cada ronda de división celular, el número de células se duplica. Empezamos con 1 célula. ## Paso …
-
fill in the blank question. because they act as enzymes and can catalyz…
ribozymes
-
how has the discovery of the cell contributed to scientific knowledge?
The discovery of the cell has been foundational for biological, medical, and genetic knowledge as it led to the cell - theory and enabled microscopic study of life processes.
-
fill in the blank question building mrna from the dna base sequence is …
Transcription Translation
-
select all that apply which two components make up ribosomes? □ protein…
Proteins, rRNA
-
the following table contains financial information for dillon incorpora…
$87,700$
-
multiple choice question what is the function of chaperone proteins? o …
They assist in the folding of newly produced polypeptide chains.
-
what is the first translated codon on an mrna, regardless of the gene b…
B. A-U-G
-
fill in the blank question multiple ribosomes associated with one mrna …
polysome
-
multiple choice question stop codons within mrna indicate where to end …
They do not have corresponding tRNA anticodons.
-
how long is the turnaround time for an instructor - graded assessment? …
C. The turnaround time for instructor grading varies with your school.
-
multiple choice question which of the following are ribozymes that cata…
some of the rRNAs in the ribosome
-
transcription is the transcribing the dna into a message transporting o…
transcribing the DNA into a message
-
what is the consequence of having only 20 amino acids when there are 64…
Some amino acids can be specified by more than one codon.
-
10) what diploma seal do students earn with a biology end - of - course…
A. Science Seal
-
multiple choice question which of the following initiates translation b…
C. The small ribosomal subunit
-
forming plural & possessive nouns - animals a rhino horn are the same m…
Rhino horns are the same material as human fingernails.
-
where is dna stored? in the nucleus in the cytoplasm in the mitochondri…
in the nucleus
-
fill in the blank question in the figure, the transfer rna is indicated…
B
-
4 which type of biodiversity describes the variety of traits in a popul…
B. Genetic diversity
-
bug in a bottle suppose at 11:00 there is one bug in a bottle. the numb…
1. **What time is the bottle ½ full?** - # Explanation: - ## Step1: Since the number of bugs doubles every minute, if the bottle is full at 12:00, one - minute before it is half -…
-
fill in the blank question organelles that are composed of rrna and pro…
Ribosomes
-
at one end of each trna, there is a sequence of three nucleotides known…
A. anticodon
-
2. which of the following is not a component of biodiversity? species d…
C. Atmospheric diversity
-
what is one called who disagrees or has a difference of opinion? dictat…
# Breve explicación: Un disidente es alguien que disiente o tiene una diferencia de opinión. Un dictador es un gobernante autoritario, un conformista sigue las normas y opiniones …
-
multiple choice question each trna has an anticodon at one end and carr…
D. amino acid
-
what do genes code for? carbohydrates fats proteins atp rewatch
proteins
-
use the same article to answer the following questions. muscle contract…
Muscle contraction is impaired. The myosin - actin cross - bridges cannot detach properly, leading to muscle stiffness and inability to relax properly as calcium re - uptake into …
-
who is considered to be the father of modern political science? ○ machi…
# Breve explicación: Niccolò Machiavelli es ampliamente reconocido como el padre de la ciencia política moderna debido a su obra "El Príncipe", en la que presenta una visión reali…
-
1. which term describes the variety of life on earth? evolution biodive…
B. Biodiversity
-
what are genes? all genetic material an entire chromosome a segment of …
a segment of DNA
-
multiple choice question which are characteristics of mrna codons that …
Their function is to signal the end of translation.
-
read the scenario. scientists are studying compounds in a newly discove…
protein
-
fill in the blank question transfer rna (trna) is synthesized in the of…
nucleus
-
according to the concept of reincarnation, a person would hope to retur…
in a higher caste.
-
multiple choice question there are ______ possible codons and ______ di…
C. 64; 20
-
multiple choice question during the translation phase of protein synthe…
A. Transfer RNA