Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
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question 37 of 50 look at the ocean system described below. plankton → …
D. The shark population will decrease.
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question 36 of 50 a trait has two alleles, which are represented by p a…
D. 0.81
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monday passage: the amazon rainforest, often referred to as the lungs o…
First question: B. It produces approximately 20% of the world's oxygen. Second question: B. It provides a metaphor that underscores the rainforest's essential role in air quality.
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question 35 of 50 a brain stem cell only produces its own type of cell.…
B. Unipotent
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question 34 of 50 which observation proves that a cell is a prokaryote?…
A. It does not have a nucleus
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tuesday passage coral reefs are some of the most diverse ecosystems on …
1. B. The passage mentions rising ocean temperatures, pollution, and overfishing. 2. B. By detailing how coral reefs contribute to local economies.
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question 32 of 50 how are meiosis and mitosis similar? a. they both pro…
B. They both produce new cells.
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question 31 of 50 how does a mutation in a sex cell differ from a mutat…
C. Mutations in sex cells do not affect the organism.
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question 30 of 50 why would being an angiosperm be an adaptation on lan…
B. It helps the plant reproduce in dry environments.
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question 4 1 pts prokaryotes have dna that is located in an area of the…
Circular, nucleoid
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question 28 of 50 a population is growing exponentially. what can you c…
D. There is no competition for resources
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chapter 22: homeostasis, reproduction, and development: baby bust 22.3.…
28 days
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question 27 of 30 which of the following best describes a phenotype? a.…
C. The traits that a person has
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which molecule could be best used as a supply of quick energy?a. fatty …
C. Carbohydrate
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question 3 1 pts certain bacteria and archaea grow under extreme condit…
extremophiles
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question 2 bacteria and archaea are prokaryotic which means they lack _…
nuclei
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question 1 the three domains of life are ____, ____, and ____. protists…
C. Bacteria, archaea, eukarya
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question 22 of 50 what must be true for natural selection to happen? a.…
C. There must be competition for resources.
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question 21 of 50 which molecules prevent cell membranes from dissolvin…
D. Nonpolar fatty acids
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question 20 of 50 which strand of mrna would be made during transcripti…
B. CUA GGC
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question 19 of 50 what is the most likely result of damage to the thlay…
C. A decrease in glucose production
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during a menstrual cycle, hormones affect egg production as well as the…
Day 14
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question 18 of 50 which of the following describes the main role of the…
D. It produces molecules of ATP.
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question 17 of 50 why are bacteria required in the nitrogen cycle? a. n…
A. Nitrogen needs to be fixed before it is used by plants.
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if a persons brain had a low level of neurotransmitters, how would this…
A. Neurons would not be able to communicate across synapses.
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question 14 of 50 which organism in the food web below is at the highes…
A. Robin
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question 13 of 50 what are enzymes made from? a. fatty acids b. amino a…
B. Amino acids
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question 10 of 50 an organism has a haploid number of 8. what is the or…
A. 16
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question 9 of 50 what is produced by translation? a. a protein b. a str…
A. A protein
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question 8 of 50 which increases speciation? a. no competition b. lack …
C. Low gene flow
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question 6 of 50 what happens after prophase? a. metaphase b. telophase…
A. Metaphase
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question 5 of 50 which molecule is a saturated fat? a. h h h h h h h h …
D.
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question 4 of 50 a science class is checking to see how much life exist…
C. Analyzing the data
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question 3 of 50 for a type of cat, short whiskers are dominant (s) and…
C. 3 short, 1 long
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how are organisms in the domain archaea different from those in the dom…
D. Archaea have no membranes around their organelles
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match each system with its major function. a. results in offspring b. c…
Urinary system - C. removes toxins; Digestive system - E. breaks down complex molecules and absorbs small sugars and minerals; Circulatory system - K. delivers gases and sugars to…
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9. in pea plants purple flowers are dominant to white flowers. if two w…
100%
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9. in pea plants purple flowers are dominant to white flowers. if two w…
100%
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what is the approximate maximum time between the start of oogenesis and…
50 years
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question 25 of 25 which is a lymphocyte? a. oxygen b. neutrophil c. hyd…
D. T cell
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question 24 of 25 how does the endocrine system affect the excretory sy…
D. It tells the excretory system when the blood is out of balance.
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question 23 of 25 what kinds of illnesses could be effectively treated …
A. Illnesses where the body has trouble making new blood cells
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a florist charges $300 x 10^{-1} per dozen carnations. if nadine purcha…
B. \(\$1.50\times 10^{3}\)
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question 20 of 25 which correctly describes the similarities between fr…
A. They are as similar as any two siblings.
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question 19 of 25 when does the placenta begin to form? a. in the secon…
B. A few days after fertilization
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question 18 of 25 which is only active during a specific immune respons…
C. T cells
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question 16 of 25 how does material move from the respiratory system to…
A. By diffusing across a membrane
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question 15 of 25 which best describes the blood flowing in an artery? …
B. It is oxygen rich.
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background photosynthetic rate can be investigated by measuring the upt…
| Light Intensity In lx (distance) | Bubbles counted In three minutes | Bubbles per minute | | --- | --- | --- | | 5 | 0 | 0 | | 13 (45 cm) | 6 | 2 | | 30 (40 cm) | 9 | 3 | | 60 (…
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question 5 neurotransmitters are released from the: a synaptic cleft b …
C. presynaptic terminal
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chemical synapses are characterized by: a receptors located only on the…
B. the release of neurotransmitter by the presynaptic terminal
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question 3 which of the following is true? a the myelin sheath inhibits…
D. Unmyelinated axons rest in invaginations of Schwann cells or oligodendrocytes
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what happens in the alimentary canal? a. excess salt is removed from th…
D. Nutrients are absorbed into the bloodstream
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gaps or interruptions in the myelin sheath are called: a nodes of ranvi…
A. nodes of Ranvier
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question 1 the junction between two neurons is a: a node of ranvier b g…
D. synapse
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question 4 neurons that have a single axon and a single dendrite are: a…
C. bipolar
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question 3 microglia: a form myelin sheaths b are part of the choroid p…
E. are phagocytic cells in the CNS
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a neuroglial cell that is a major component of the blood - brain barrie…
B. astrocyte
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dendrites: a conduct action potentials away from the cell body b contai…
E. are the input part of the neuron
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22.4. outline the steps of gamete formation in both males and females a…
- high alcohol consumption - decreased semen quality - presence of bisphenol A (BPA) - increased risk of birth defects - reproducing later in life - decreased ova quality
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multiple-choice question during metaphase, the dna (chromosomes) line u…
In the middle of the cell
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match the components of reproduction with the type of reproduction. not…
- **Asexual reproduction**: cloning - **Sexual reproduction**: genetic material from multiple parents, oocytes, meiosis, animal reproduction, sperm, gametes
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match the components of reproduction with the type of reproduction. not…
- Asexual reproduction: cloning - Sexual reproduction: genetic material from multiple parents, oocytes, meiosis, animal reproduction, sperm, gametes
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question: how does dna make a copy of itself? 1. observe: an enzyme is …
1. DNA helicase unwinds and separates the DNA double - helix. 2. - A. DNA polymerase catalyzes the addition of nucleotides to the growing DNA strand. - B. The DNA polymerase molec…
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which of these organisms is not a consumer? frog secondary consumer man…
# Brief Explanations: In an ecosystem, consumers are organisms that obtain energy by feeding on other organisms.[SSE Completed, Client Connection Error][LLM SSE On Failure]
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organisms usually follow the 10% rule, however sometimes it is a little…
12%
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which of the following is a primary consumer? corn grasshopper dragonfl…
Grasshopper
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which of the following are ways in which the grasshopper will use the e…
Lose it as heat, Store it as biomass, Lose it as waste, Cellular respiration.
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9categorization 20 pointsplace each statement under the correct categor…
- **Mitosis**: Creates cells with 46 chromosomes in humans, Makes identical body cells, Important for growth and repair - **Meiosis**: Creates cells with 23 chromosomes in humans,…
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what important developments have occurred at or before the beginning of…
fine hair development, development of the respiratory system, development of the circulatory system, taste bud development, energy storage in the form of fat
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7 multiple choice 10 points human body cells each have 46 chromosomes i…
- **Question 7**: C. 23 chromosomes - **Question 8**: C. nondisjunction
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in which month does the embryo develop into a fetus? month 1 month 2 mo…
month 3
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multiple - choice question what is cancer? controlled cell growth/divis…
Uncontrolled cell growth/division
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4 multiple choice 10 points crossing over occurs during which phase of …
- Question 4: Prophase I - Question 5: The process creates genetic variation in the resulting cells. - Question 6: True
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sperm and egg cells are known as gametes true false 2 multiple choice 1…
1. True 2. complete interphase 3. True
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the unruly queens chess club is hosting a tournament, and each club mem…
\(y = 3x\)
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an ultrasound examination uses high - frequency sound waves to produce …
month 4
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25. in literature, an internal struggle within a character is known as:…
B. Man vs. Self
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which type of evolution affects small isolated populations? metaevoluti…
microevolution
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multiple - choice question choose the scenario that best represents ove…
Turtles lay hundreds of eggs every mating season but only 10% survive due to lack of food.
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the four principles of natural selection are: overproduction of offspri…
descent with modification
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chapter 22: homeostasis, reproduction, and development: baby bust page(…
negative feedback loop
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inquizitive chapter 22: homeostasis, reproduction, and development: bab…
First blank: monthly; Second blank: stable; Third blank: negative feedback loop
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is the following true or false? negative feedback loops in the body res…
False
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match each term with its definition. drag each item on the left to its …
sensors - monitor the internal environment; homeostatic pathways - processes that return the body to its set point; set point - optimum or normal state of pH, temperature, and oth…
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read the following passage from the adventures of huckleberry finn by m…
C. His use of vernacular language and local characters
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question: how does dna make a copy of itself? 1. observe: an enzyme is …
1. Unwinds and separates the DNA double - helix. 2. A. Catalyzes nucleotide addition for new strand formation. B. Moves along the strand. C. Identical to each other. 3. Identical …
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7. which concept suggests that human behavior is determined by genetics…
d. Determinism
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7 multiple choice 10 points which genotype can not taste ptc? tt tt tt …
7. \(tt\) 8. Punnett squares 9. False
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4 multiple choice 10 points what is the area of a chromosome that codes…
- **Question 4**: Gene locus - **Question 5**: alleles
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1 multiple choice 10 points portion of dna that codes for a trait. anti…
1. gene 2. True 3. False
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click to correct any capitalization errors. followers of hinduism, most…
Followers of Hinduism, most of whom live in India, believe in reincarnation, or the idea that when the body dies, the spirit is reborn.
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read the following passage from the story of an hour by kate chopin the…
a. The setting reflects the protagonist's sense of renewal.
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in which month does the embryo develop into a fetus? month 1 month 2 mo…
month 2
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complete the following passage regarding the ability of the human body …
1. homeostatic 2. sensors 3. set point 4. negative
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recessive allele phenotype dominant allele genotype match the correct d…
- Genotype: Genetic makeup of inherited alleles - Phenotype: Physical characteristic (trait) - Dominant allele: Represented by a capital letter (\(T\)) - Recessive allele: Represe…
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the four principles of natural selection are: overproduction of offspri…
descent with modification
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match each tissue type with its function. contracts and relaxes, allows…
- Nervous tissue: sends and receives communication signals, processes information. - Muscle tissue: contracts and relaxes, allowing the body to move. - Epithelial tissue: covers a…
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assessment practice 4. the table shows the number of cell phone towers …
**Part A**: The relationship between the number of towers and the number of customers is proportional. Because the ratio of the number of towers to the number of customers (in tho…
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how is the mind - body connection best described? ○ internally secreted…
the interrelationship of the mind and the body