生物
細胞生物學、遺傳學、生態學與生命科學基礎。
-
match each of the following structures in an ovum (egg) with the functi…
Jelly coat: During recognition, bind to sperm Sperm - binding receptors: During attraction and contact, bind sperm Vitelline layer: During the cortical reaction, lift off the egg …
-
which of the following is the correct pairing based on the base pairing…
Adenine bonds to thymine and Guanine bonds to cytosine
-
bio - 201l topic 3: skeleton practice it lo 3.5. what are the types of …
B. Sterno - costal, costochondral, and interchondral joints.
-
question 1 - 5. water in the blood helps carry nutrients and gases requ…
Water dissolves many compounds.
-
bio - 201l topic 3: skeleton practice it lo 3.4. ______ is an abnormal,…
E. Scoliosis
-
opportunity cost is a. when consumers and firms use all available infor…
D. the highest valued alternative that must be given up to engage in an activity.
-
bio - 201l topic 3: skeleton practice it lo 3.2. what is the function o…
Protect the brain and sensory organs
-
when performing an under - vehicle inspection in the transmission area,…
C. Internal linkages, D. Faults in the clutch mechanism
-
which scale measures the strength of the winds in a tornado? fujita ric…
A. Fujita
-
question 5 4 pts the fusion of the egg and sperm membranes triggers sev…
A. The correct statement about the fast block to polyspermy is that Na+ ions enter the egg, changing the membrane potential to prevent additional sperm from fusing. B. Without see…
-
select the correct answer. bernadette is planning a research paper abou…
D. How has technology contributed to the rise of alternative health and wellness centers?
-
answer the following questions about the blastulas drawn below. which e…
Which embryo (1 or 2) is a frog embryo? #2 Which letter (A, B, C, or D) points to the animal pole? D Which letter (A, B, C, or D) points to the vegetal pole? C Which letter (A, B,…
-
question 1 points 3 assertion (a): a tornado is a narrow, violently rot…
(A) is true, and (R) is false.
-
what was one way early prokaryotes different from modern eukaryotes? a)…
1. c. They had no nucleus 2. a. Environmental changes can cause both extinctions and new evolutionary opportunities
-
stromatolites are. a) layered rock structures built by cyanobacteria b)…
1. a) Layered rock structures built by cyanobacteria 2. c) Organisms used chemical energy from their harsh environment
-
question 1 - 3 how does a property of water aid aquatic organisms in th…
Hydrogen bonding causes ice to float, providing an insulating layer for aquatic organisms.
-
practice quiz: biomes and aquatic ecosystems (lms graded) a team of dee…
A. loss of brightness of the water
-
estuaries serve which important role for marine ecosystems? a. providin…
A. providing spawning and nursery grounds for many marine animals
-
freshwater ecosystems include three general categories: rivers and stre…
A. The ecosystem soaks up heavy rainfall, which helps to prevent flooding. C. Water may cover the soil or lie just under the surface, for at least part of the year. D. The ecosyst…
-
kevin is constructing an explanation of the importance of freshwater ec…
B. Freshwater ecosystems hold less than 3 percent of Earth’s surface water.
-
question 1-9 which function below is performed by a macromolecule made …
store genetic information
-
practice quiz: biomes and aquatic ecosystems (lms graded) the coastal o…
D. nutrients supplied by runoff from the land
-
hydrothermal vents are located a) in shallow ocean waters b) on mountai…
1. c) On the deep ocean floor 2. b) Oxygen 3. b) Chemotrophs
-
the soil of the temperate forest is often rich in humus. which statemen…
A. Humus forms from fallen leaves, dead wood, and other dead organic matter.
-
why were hydrothermal vents important for early life development? a) th…
1. c) They provided chemical energy sources and protected environments 2. c) It was chemically reactive and toxic to organisms adapted to anoxic conditions
-
multiple - choice question which of the following fills in the blanks c…
Helicase, DNA polymerase, nitrogen bases, hydrogen
-
an organic chemist is studying a sample of a macromolecule. the compoun…
carbohydrates
-
select the correct answer. read this excerpt from \what is that bird?\ …
C. If you are just starting to watch birds, consider familiarizing yourself with the ones that you see daily by watching, listening to, and photographing them ("What Is That Bird?…
-
a scientist studying early earth conditions would expect to find early …
1. d) Lived in ancient oceans 2. d) Oxygen 3. c) Ancient cyanobacteria released it as a waste product of photosynthesis
-
which macromolecule is shown in the diagram? lipid protein nucleic acid…
lipid
-
tania is studying a variety of biomes. she finds that in a choose..., p…
First blank: Savanna Second blank: Tropical rainforest Third blank: Desert
-
question 1-6 proteins are large macromolecules composed of thousands of…
C. amino acids
-
practice quiz: biomes and aquatic ecosystems (lms graded) which factors…
A. biotic factors, such as plant and animal life B. abiotic factors, such as climate and soil
-
question 1-1 waters special properties make it the single most importan…
Water exhibits cohesive behavior.
-
water in the blood helps carry nutrients and gases required for surviva…
D. Water dissolves many compounds
-
multiple - choice question which statement is correct? the enzyme polym…
Neither statement is correct.
-
excerpt from the struggle for human rights by eleanor roosevelt 1 it is…
D. It reflects oppression throughout the population.
-
insects by midsummer, biting insects like mosquitoes and fleas are out …
B. Insects can be repelled through natural products
-
directions: after the information on working conditions in the united s…
- A Description of the Working Conditions in the United States at the Turn of the Twentieth Century That Gave Rise to Labor Unions: Long hours (10 - 12 hours a day, 6 days a week)…
-
which of these cell junctions form a barrier to the passage of material…
Part A: E. tight junctions Part B: C. desmosomes
-
question 1 - 8 what was the main goal of the ku klux klan in the 1860s …
To terrorize freedmen so that they would not exercise their new rights.
-
why do both mitochondria and chloroplasts possess circular chromosomes?…
Both mitochondria and chloroplasts descended from free - living prokaryotes engulfed and maintained by early eukaryotic cells.
-
multiple choice 1 point what process demonstrates the esponse to stimul…
C. A plant growing toward sunlight
-
intermediate filaments guide the movements of chromosomes. surround the…
surround the nucleus.
-
how does a property of water aid aquatic organisms in the wintertime? h…
Hydrogen bonding causes ice to float, providing an insulating layer for aquatic organisms.
-
biology living earth a term af - period 1 - rm 399 (lms) practice quiz …
C. Earth systems interact with one another, and the causes and effects of global changes involve all of the systems.
-
select the correct text in the passage. a writer is using the following…
Some of the most important bird features include the shape of the beak, the length of various feathers, and the coloration of the bird’s crown
-
which statement about the cytoskeleton is false? the cytoskeleton helps…
Once laid down, the elements of the cytoskeleton are fixed and remain permanently in place
-
practice quiz: introduction to global systems biology living earth a te…
C. One summer, the size of the turtle population suddenly increases, but then gradually decreases.
-
which of the following structures is directly involved in the passage o…
B. gap junctions
-
practice quiz: introduction to global systems biology living earth a: t…
D. water in any location on Earth, including the atmosphere, surface, and underground
-
biology a week 2 practice quiz: introduction to global systems biology/…
A. a volcanic eruption releasing carbon dioxide into the atmosphere
-
your intestine is lined with individual cells. no fluids leak between t…
The intestinal cells are bound together by tight junctions
-
part 4: analysis questions 1. how does the structure of dna determine t…
1. DNA's nucleotide sequence is transcribed to mRNA and then translated to form proteins based on codon - amino acid relationships. 2. Proteins function as enzymes, structural com…
-
the endosymbiosis hypothesis proposes that a small cell lived inside a …
A. a small cell lived inside a larger cell to the benefit of both cells.
-
3. chloroplast color the chloroplast lime creen the chloroplast collect…
1. For chloroplast: The chloroplast collects **light energy** and turns it into **chemical energy (glucose)** for plants. 2. For cytoplasm: The cytoplasm is a **gel - like** fluid…
-
consider the following question and determine if it is a question life …
B. Yes, it can be answered with life science because it is specific, observable, and testable.
-
1. how does the structure of dna determine the proteins that are made? …
1. DNA's genetic code is transcribed to mRNA and then translated to proteins. 2. Proteins influence cell - function and development to determine traits. 3. A mutation can change t…
-
question 1-1 waters special properties make it the single most importan…
# Breve explicación: La cohesión es la tendencia de las moléculas de agua a unirse entre sí. En las plantas, esta cohesión permite que el agua se eleve desde las raíces hasta las …
-
complete the chart on the big 6 pathogens (salmonella typhi, shigella s…
| Pathogen | Source | Foods Linked | Prevention Method | |--|--|--|--| | Salmonella Typhi | Infected humans | Contaminated water, raw fruits/vegetables | Proper sanitation, vaccin…
-
select the correct answer. while washing her hair, olivia noticed that …
A. The hair will grow back by undergoing mitosis.
-
the alaskan sled dog - a genetic breed apart adapted from the national …
Details to include in summary: - Traits such as speed, endurance, and work ethic have been selectively bred into sled dogs from various breeds. - The research will allow isolation…
-
drag each tile to the correct box. arrange these steps of dna replicati…
1. Helicase unwinds the parent DNA strand. 2. Single - strand binding proteins prevent the strands from snapping back to the original DNA structure. 3. RNA primase synthesizes RNA…
-
1. cell membrane color the cell membrane blue the cell membrane is an o…
1. Outer, protects, controls what enters and leaves 2. Support, protection, plant
-
select the correct answer. in which enzyme would a defect majorly affec…
A. DNA ligase
-
select all the correct answers. a particular plant has two alleles that…
Plants with short stems are homozygous for that trait. Plants with tall stems are always homozygous for that trait. (This statement is false as tall - stemmed plants can be Tt, wh…
-
select the correct answer. which type of mutation does the change in th…
C. substitution
-
question 12 match term flashback stream of consciousness perspective pa…
Flashback - F Juxtaposition - A Pacing - C Perspective - E Stream of consciousness - D Foreshadowing - B
-
a. why do you think it is necessary for dna to wind up into an organize…
a. To ensure equal distribution to daughter cells. b. Chromatin
-
drag each tile to the correct location. sort the descriptions based on …
Asexual Reproduction: - requires the contribution of a single parent - creates genetically identical offspring - organism doesn't have to waste energy to find a mate Sexual Reprod…
-
1. \you might have seen a horse fly, maybe even a superfly, but i bet y…
1. "Shrek" 2. "A Christmas Carol", Tiny Tim 3. The Holocaust 4. "Jurassic Park" 5. "Snow White" 6. "The Dating Game" 7. Beauty pageants
-
how does a monarch typically take power? by being elected by taking ove…
by taking over when the previous monarch dies or retires
-
select the correct answer. david brought home a leaf cutting from a pla…
B. It's genetically identical to the parent plant.
-
select the correct answer. a particular ant species has four pairs of c…
B. 16
-
select the correct answer from each drop - down menu. the ilv - leu ope…
The ilv - leu operon is an inducible operon, and the VanA operon is an inducible operon.
-
select the correct answer from each drop - down menu. the ilv - leu ope…
The ilv - leu operon is a repressible operon. The VanA operon is an inducible operon.
-
what should be done if the oil change indicator displays reset cancelle…
B) The reset process should be repeated.
-
5. the founding of the united states has traditional roots in judeo - c…
C. Enlightenment
-
drag the tiles to the correct boxes to complete the pairs. match the ge…
strongly linked genes - genes close to each other not so strongly linked genes - genes apart from each other, but on the same chromosome unlinked genes - genes on different chromo…
-
adenosine triphosphate, or atp, is primarily used as ______ in living o…
C. a source of energy
-
select all the correct answers. samantha is an epigeneticist. she is cu…
cell samples, methods to observe the effects of climate on gene mutations
-
which of the following best describes a carbohydrate? a. carbohydrates …
B. Carbohydrates are organic macromolecules that are made up of carbon, hydrogen, and oxygen atoms and are used for energy storage and as structural molecules.
-
cellular processes are carried out by many different types of molecules…
B. amino acids
-
what kind of bonds form between the nitrogen bases? ionic hydrogen cova…
hydrogen
-
select the correct location on the image. this diagram shows the functi…
The label 'nucleus' would change.
-
nucleic acids are one of the four major macromolecules. the main functi…
D. carry genetic material and create structures inside the cell.
-
key concepts from lecture - sociological imagination: connecting ______…
Sociological Imagination: personal, social Social Construction of Difference: social interactions, cultural norms Privilege: unearned Oppression: systematic Double Consciousness /…
-
what is the twisted ladder shape of dna called? single helix double hel…
B. double helix
-
exit ticket: pronoun agreement directions: identify the pronoun or phra…
1. B. our 2. A. each with its 3. D. whose 4. A. her
-
protein molecules are composed of long chains of _________. a. dna b. r…
C. amino acids
-
organic macromolecules called ______ are insoluble in water, are often …
C. lipids
-
question 3 1 pts eading my textbook sometime during the evening when i …
Clear and specific boundaries - vague about timing and duration
-
short answer 1. define homeostasis. 2. what is the importance of vital …
1. The body's ability to maintain a stable internal environment despite external changes. 2. Provide crucial information about a person's physiological state, detect early signs o…
-
after journaling, i will have better mental clarity and feel more organ…
Tangible outcome identified - describes feelings rather than physical/digital evidence
-
why do cells need to make a copy of their dna? \so that after ______ ea…
division (mitosis), daughter cell, identical
-
directions: select all the correct answers. which of the following is t…
B. Nucleic acids always consist of a five - carbon sugar, a nitrogenous base, and one or more phosphate groups. C. Both DNA, which stores genetic information and encodes protein s…
-
question 1 1 pts \being motivated to complete my homework assignments\ …
B. Focus on observable actions - describes internal state rather than visible actions
-
mr. tylers class is having a discussion about whether sugary drinks sho…
"What are the health problems caused by sugary drinks?"
-
carbohydrates are composed of which three elements? a. oxygen, sulfur, …
D. carbon, hydrogen, and oxygen
-
the punnett square illustrates a cross for color of the flower. based o…
dominant; heterozygous