Biology
Cell biology, genetics, ecology, and life science fundamentals.
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meiosis and unequal cytoplasmic division in seed plant __ produce three…
1. ovules 2. Zygomycota
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many tropical ferns live on other plants without withdrawing nutrients …
Question 15: epiphytes Question 16: ginkgos
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question 13 (2.5 points) a pine tree is a flowering plant seedless plan…
Question 13: sporophyte Question 14: (Since the correct answer 'chitin' is not there, but if we assume it's a mis - optioning and based on elimination from the given options, ther…
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which list represents the proposed sequence in plant evolution? angiosp…
For the first question: bryophytes >>> seedless vascular plants >>> gymnosperms >>> angiosperms. For the second question: None of the provided options are correct. A pine tree is …
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what is the best definition of a population? a group of individuals of …
For the first question: a group of interbreeding individuals of the same species in a given area. For the second question: liverworts.
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question 9 (2.5 points) over evolutionary time, flowering plants have e…
C. coevolution
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any change in allele frequencies in a gene pool is called natural selec…
microevolution
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with the extinction of the dinosaurs 65 million years ago, multiple nic…
First question: B. adaptive radiation Second question: reproductive (temporal)
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peahens prefer to mate with peacocks that have the brightest and larges…
in spite of the disadvantage, peacocks with larger tails leave more offspring
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question 1 (2.5 points) a 2013 investigation found worrisome amounts of…
Question 1: bacteria Question 2: lethal
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1.1.4 quiz: the practice of science observations: the bees wings are mo…
D. How much energy does it take a bee to fly for 10 seconds?
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5 (a) diberi garis lurus ( y = x + p ) menyilang lengkung ( x ^ { 2 } +…
The range of values of \(p\) is \(-2<p<2\)
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the ovaries of the female reproductive system produce what hormones? a …
A. progesterone and estrogen
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question 7 of 10 a science student makes the following statement: i thi…
B. Forming a hypothesis
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question 6 of 10 a scientist divided a population of fruit flies into t…
C. Will fruit flies bred under different conditions mate?
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question 3 of 10 a student hypothesized that pillar coral eat and diges…
B. The zooxanthellae in a pillar coral's body are alive.
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read the descriptions of two experiments below. experiment 1: a student…
Experiment 1 is more likely to be reliable because it was repeated several times. Repeating an experiment helps to ensure that the results are consistent and not due to random cha…
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a scientist bred fruit flies in two separate containers with different …
A. Fruit flies prefer mates adapted to the same food source.
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which term refers to a reproductive cell that contains one - half of th…
B. gamete
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your family needs a set of 4 tires. which of the following deals would …
The best deal would be either (I) or (III). Either case would result in a discount of \(25\%\), which is better than the other alternative of \(20\%\) (from deal (II)).
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you find an animal on an alien planet that becomes inactive when the su…
First, observe inactivity patterns and responsiveness. Then, disrupt inactivity and check for rebound. Monitor physiological changes. Test circadian rhythms. Check light - respons…
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the oklahoma panhandle has a different climate than the eastern portion…
B. differences in elevation
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number of tornadoes by county since 1950 11 - 20 21 - 30 31 - 40 41 - 5…
C. No Oklahoma county has had more than 100 tornadoes since 1950. D. Every county in Oklahoma has had at least 10 tornadoes since 1950.
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to all students, parents, and educators committed to fostering a positi…
1. "Grounded in our shared belief in the importance of education and community" - Appeal to shared values 2. "...we must address the issue of school uniforms..." - Relevant to the…
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question 13 how is active transport different from passive transport? a…
active transport requires energy, while passive transport does not.
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which of the following processes requires a cell to expend energy? osmo…
- First question: protein pump (active transport) - Second question: only certain things can pass through it
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what happens to a plant cell placed in a hypotonic solution? it swells …
- First question: it swells but the cell wall keeps it from bursting - Second question: diffusion
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what is the process of a cell engulfing large particles, such as food, …
For the first question: A. endocytosis For the second question: C. exocytosis
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which of the following is a key characteristic of active transport? mov…
For the first question: requires energy. For the second question: requires ATP to move ions against the concentration gradient.
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osmosis is the diffusion of which substance across a selectively permea…
For the first question: water. For the second question: hypertonic - cell will shrink.
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which of the following is true about facilitated diffusion? requires en…
First question: moves molecules through a protein channel. Second question: it doesn't require energy.
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what is the driving force behind diffusion? water pressure concentratio…
1. concentration gradient 2. diffusion
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question 12 (2.5 points) retake question in the 2005 peacock butterfly …
Predatory birds are deterred by peacock butterfly clicking sounds.
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question 12 (2.5 points) retake question in the 2005 peacock butterfly …
Predatory birds are deterred by peacock butterfly clicking sounds.
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question 12 (2.5 points) retake question in the 2005 peacock butterfly …
Predatory birds are deterred by peacock butterfly clicking sounds.
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which of the following statements is true of the period of the embryo? …
B. It is when teratogens can be most harmful.
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jayson is 23 and has just met the man of his dreams. they date for abou…
A. Intimacy vs. isolation
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7. based on your results, which chemical is limiting in a reaction with…
(a) substrate (b) Enzymes (like catalase in potato juice) are not consumed in the reaction (they can act on multiple substrate molecules). The substrate (\(H_2O_2\)) is the reacta…
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question 19 (2.5 points) the variable(s) in the 2005 peacock butterfly …
butterfly wings pattern color and sounds emitted
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the control in an experiment ____. contains excess test subjects in cas…
allows for comparisons with the experimental group
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question 15 (2.5 points) in the experiment with peacock butterflies the…
mimicry protects butterflies from being eaten by predatory birds
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the horseshoe crabs name may be a bit bewildering, as these marine anim…
D. They have blue blood.
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what is the main function of ribosomes in an animal cell? to produce st…
to make proteins
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what is the main function of the nucleus in an animal cell? to make pro…
to direct cell activities by sending instructions to different parts of the cell
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what is the main function of vacuoles in an animal cell? to contain the…
to store water in the cell
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the parrots feathers range from a dark reddish to a bright green color.…
Qualitativo
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question 12 (2.5 points) in the 2005 peacock butterfly experiment, what…
Predatory birds are deterred by peacock butterfly clicking sounds.
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question 11 (2.5 points) in the olestra potato chip experiment, the rep…
there was no evidence that Olestra caused cramping
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question 10 (2.5 points) all known species belong to one of three domai…
D. Bacteria, Archaea, and Eukarya
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what is the process by which a producer uses light energy to make sugar…
photosynthesis
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on a very hot summer day and a few months later on a very cold winter d…
homeostasis
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question 7 (2.5 points) collectively, which group of organisms are the …
bacteria and archaea
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what is the main function of the cytoskeleton in an animal cell? to con…
to give shape and organization to the cell
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question 6 (2.5 points) which of the following characteristics are shar…
I, II, III
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describe the function of each organelle. nucleus endoplasmic reticulum …
- Nucleus: Almacena el ADN y controla la actividad celular. - Ribosoma: Sintetiza proteínas. - Endoplasmic reticulum: Participa en la síntesis de lípidos y proteínas, y el transpo…
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although tokelau is small, its decision to bar whaling in the territory…
An exclusive economic zone (EEZ) is an area of ocean waters (extending 200 nautical miles from a country's shoreline) where a country has rights over natural resources. Tokelau us…
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what is the main function of centrosomes in an animal cell? to pull rep…
to pull replicated chromosomes apart during cell division
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what is the main function of cytoplasm in an animal cell? to make prote…
to fill the space between the cell membrane and the nucleus
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bernadette is applying to graduate school and has several items she mus…
her academic transcripts
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juan loves horseback riding. which choice exemplifies an internal perso…
his thoughts and feelings about riding horses
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question 5 (2.5 points) an ecosystem is made up of only plants, animals…
organisms and nonliving things
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question 4 (2.5 points) what are the simplest types of eukaryotes? plan…
B. protists
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question 3 (2.5 points) what name is given to the scientific study of l…
biology
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select the part whose main job is to contain the information that the c…
chromosomes
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question 1 (2.5 points) which of the following is a characteristic of a…
They break down food externally.
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select the part whose main job is to give shape and organization to the…
cytoskeleton
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melissa is a high school junior who wants to be a veterinarian. she is …
possible selves.
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select the part whose main job is to break down sugar and release energ…
mitochondria
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what do these two changes have in common? photosynthesis milk going sou…
Both are chemical changes.
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select the part whose main job is to break down sugar and release energ…
mitochondria
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the chinese proverb \the first step to better times is to imagine them\…
possible selves.
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select the part whose main job is to store sugar and other nutrients in…
vacuole
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dig deeper in \tiny tokelau, huge help,\ you read about tokelau, a terr…
A. Tokelau set up a whale sanctuary within its exclusive economic zone. C. Each coastal country has an EEZ that extends 200 nautical miles from the country's coast. E. A country o…
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select the part whose main job is to break down worn - out cell parts. …
lysosome
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select the part whose main job is to help ribosomes make proteins. cyto…
rough endoplasmic reticulum
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select the part whose main job is to break down sugar and release energ…
mitochondria
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select the part whose main job is to sort and package proteins and othe…
Golgi
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select the part whose main job is to support movement within the cell. …
cytoskeleton
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select the part whose main job is to control which substances enter and…
cell membrane
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select the part whose main job is to break down waste. smooth endoplasm…
lysosome
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the matching principle ○ a. srequires that the dollar amount of debits …
C. states that the revenues and related expenses should be reported in the same period
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select the part whose main job is to send instructions to different par…
nucleus
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although tokelau is small, its decision to bar whaling in the territory…
D. Describing the regions of the Pacific Ocean that have established whale sanctuaries within their economic zones
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select the part whose main job is to make proteins. nucleus ribosome ce…
B. ribosome
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this passage describes a chemical reaction. read the passage. then, ans…
glucose (\(C_{6}H_{12}O_{6}\))
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select the part whose main job is to direct cell activities by sending …
nucleus
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select the part whose main job is to fill the space between the cell me…
cytoplasm
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what is the main function of cytoplasm in a plant cell? to produce ster…
to fill the space between the cell membrane and the nucleus
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what is the main function of the vacuole in a plant cell? to store wate…
to store water in the cell
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how do the structures and powers of tribal governments compare with tho…
Tribal governments often possess greater authority over their internal affairs, including jurisdictional matters and resource management, compared to state governments.
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what is the main function of the vacuole in a plant cell? to store wast…
to store waste in the cell
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what is the main function of ribosomes in a plant cell? to break down s…
to make proteins
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how do american indian nations exhibit tribal sovereignty? o by adherin…
Through self - governance over their internal affairs and lands.
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what is the main function of the nucleus in a plant cell? to produce st…
to send instructions to different parts of the cell
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what is the main function of the nucleus in a plant cell? to give stren…
to direct cell activities by sending instructions to different parts of the cell
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what is the main function of the cytoskeleton in a plant cell? to give …
to give shape and organization to the cell
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what is the main function of chromosomes in a plant cell? to contain th…
to contain the information that the cell uses for growth and activities
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what is the main function of the mitochondria in a plant cell? to make …
to break down sugar and release energy that the cell can use
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the industrial revolution was a time when the world seemed to speed up …
1. Slowly, by hand. 2. Goods became cheap enough for everyday people to buy.
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9 multiple choice 10 points a photons energy depends on its frequency. …
Question 9: C. The higher the frequency, the more energy the photon has. Question 10: B. X - rays can cause harmful ionization in cells, increasing cancer risk.