生物
细胞生物学、遗传学、生态学与生命科学基础。
-
which of the following are true about biodiversity? choose all that are…
more biodiversity=a stronger ecosystem, represents species richness
-
question 1 1 pts where does dna replication occur? ribosome cytoplasm r…
D. nucleus
-
ordering 4 points place the following biological levels in order from s…
1. organ 2. community 3. ecosystem 4. biome
-
7. directions: identify examples of the following types of conflict in …
- **Person vs. Person** - **Description**: Direct confrontation between two individuals (the sniper and the enemy sniper). - **Textual Evidence**: "He was now determined to kill t…
-
which are results of regulation in a mixed - market economy? check all …
compliance with laws, control of markets, control of externalities
-
categorization 4 points. put the following words into the correct categ…
Abiotic: Water, Soil, Temperature, Chemicals Biotic: Algae, Animals, Plants, Insects
-
an ecosystem can be compared to: (choose all that apply) the internet, …
A. The internet, with servers of different sizes, some being more important than others. B. A waterfall, with all of the energy flowing in one direction. D. An airplane, if the wr…
-
below. - house mouse - grasshopper mouse fraction of sodium current 1.0…
The venom is blocking voltage - gated sodium channels.
-
what is the most important role of hydrogen bonding between water molec…
It enables water molecules to bond to each other.
-
two fundamental concepts about the ion channels of a esting\ neuron are…
open and close depending on stimuli and are specific as to which ion can traverse them.
-
the operation of the sodium - potassium pump moves sodium ions ______ t…
B. out of; into
-
how does water relate to the ability of a living thing to generate usab…
Without the proper balance of water, chemical reactions in cells could not take place.
-
the \information receiving\ section of a neuron is its ________. cell b…
cell body and dendrites
-
students will be able to: when you wake up in the morning, are you at 0…
1. Savannas, grasslands and open woodlands with water - holes. 2. Increases hunting success and conserves energy. 3. Target/prey 4. Provide cover for stalking. 5. Stalks quietly, …
-
the table shows alejandros golf scores (relative to par) over a 4 - rou…
\(-1\)
-
of these choices, neuronal communication between the brain and the musc…
electrical and chemical signaling
-
the autonomic nervous system innervates cardiac muscle, smooth muscles,…
B. motor neuron
-
the passage below describes an experiment. read the passage and then fo…
a dependent variable
-
the passage below describes an experiment. read the passage and then fo…
a dependent variable
-
somatic motor neurons are used to transmit motor signals to muscles. fo…
C. dendrites, cell body, axon hillock, axon, synaptic terminals, biceps brachii
-
the table shows alejandros golf scores (relative to par) over a 4 - rou…
1
-
6. what does the word stigma mean? a. visibility and opinion b. shame a…
6. B. disgrace and scandal 7. D. since 8. No full - text answer provided. 9. No full - text answer provided.
-
a synapse is the point of connection between two communicating neurons.…
the point of connection between two communicating neurons.
-
which of the following is not a special property of water? expansion up…
Induces chemical reactions
-
most of the neurons in the human brain are motor neurons. interneurons.…
interneurons.
-
introductions quick check ecological footprint by mathis wackernagel an…
Methods to determine each person's impact on the Earth's resources have been developed.
-
a simple nervous system has information flow in only one direction: tow…
E. includes sensory information, an integrating center, and effectors.
-
daniel wanted to grow cucumbers from seeds. he read that using a heatin…
the number of days until a seed germinated
-
judith liked to make guacamole, but she could often find only unripe av…
the number of ripe avocados
-
readworks name: aeneas icagun - san date: 9 - 19 - 25 1. why was colón …
1. B. He injured his rotator cuff and a ligament in his elbow 2. C. an experimental surgery where doctors injected stem cells from his body into his injured shoulder and elbow to …
-
which is a function of regulatory agencies? encouraging business compli…
encouraging business compliance
-
a hydrostatic skeleton is a skeleton that consists of fluid held under …
skeleton that consists of fluid held under pressure in a closed body compartment.
-
the hydrostatic skeleton of the earthworm allows it to move around in i…
using peristaltic contractions of its circular and longitudinal muscles.
-
insert one comma to separate the coordinate adjectives. volcanic ash, w…
Volcanic ash, which has an abrasive, sandy texture, can include various identifiable particles: crystals, minerals, bits of pumice, shards of volcanic glass, and miscellaneous roc…
-
calcium ions regulate contraction of smooth muscle cells by binding to …
calmodulin.
-
the passage below describes an experiment. franco worked in a restauran…
an experimental group
-
in a relaxed skeletal muscle, actin is bound to troponin only. tropomyo…
tropomyosin and troponin only.
-
muscle cells are stimulated by neurotransmitters released from the syna…
motor neuron axons.
-
the passage below describes an experiment. brennan and his neighbors wa…
the yards with empty feeders
-
question 2 1 part of 1 point the \motor unit\ in vertebrate skeletal mu…
one motor neuron and all of the muscle fibers on which it has synapses.
-
the passage below describes an experiment. aubrey and tristan were taki…
the snowboards with wax added
-
slide: third line of defense which white blood cells make antibodies? a…
B - lymphocytes
-
correct the text by inserting two commas. (note: in this skill, serial …
On January 1, 1942, the United Nations, an international peacekeeping organization, was created.
-
what does troponin bind to during excitation of muscle contraction? ○ s…
C. calcium ions
-
the passage below describes an experiment. the apple slices in josies l…
the plain apple slices
-
a picture of an object or a performer showing all of the external force…
A. free - body diagram (FBD)
-
which process helps countries import things they cannot make while allo…
D. international trade
-
18 multiple choice 1 point hey mason, michael, and james! do you think …
A. Nope, False!
-
which of the following is a counterexample for this conditional stateme…
a strawberry
-
which of the following is a counterexample for this conditional stateme…
an octopus
-
which letters collectively make up a nucleotide. select all that apply
W, X, Y
-
what letter represents the part of the nucleotide that is the genetic c…
3
-
components of nucleic acids 1. phosphate 2. ribose sugar 3. deoxyribose…
C. 5,6,7,8
-
nitrogenous (nitrogen) bases are located on both strands of dna double …
The order of the bases determines the order of the amino acid that make up the protein
-
19/23 what is the following molecule called? adp atp nucleoside nucleot…
D. Nucleotide
-
18/23 which part of the dna is responsible for the direct coding of spe…
the sequence of nucleotide bases in the DNA
-
characteristics such as widows peak or attached earlobes are determined…
Nitrogenous bases
-
which letter represents the deoxyribose sugar on the dna strand? y z w x
X
-
which letter represents the deoxyribose sugar on the dna strand? y z w x
(Without the actual visual identification in the provided image, we can't give a specific letter choice. If you can describe the image elements related to the DNA structure more p…
-
components of nucleic acids 1. phosphate 2. ribose sugar 3. deoxyribose…
D. 1 and 3
-
what does x represent? nitrogen base hydrogen bond deoxyribose sugar nu…
B. hydrogen bond
-
which letter represents the nitrogen base on the dna strand? select all…
Y, X, Z, W
-
which statement is true, based on the picture below? the model is inacc…
The model is accurate because it contains correctly paired bases.
-
1. how does the author convey the purpose and meaning of the fall color…
# Breve explicación: 1. En el párrafo 6, el autor reflexiona sobre las implicaciones filosóficas de los colores del otoño, vinculándolos a la mortalidad humana y a la sublimación.…
-
7/23 which of these models of a dna strand shows bases that are complem…
Without seeing the specific bases in the given DNA strand clearly, we can't point out the exact option. But the correct option will have bases that follow the A - T and G - C base…
-
slide: sleep and the body myth or fact? people who suffer from sleep de…
Fact
-
graded assignment unit test: the world in 300 c.e. - part 2 use your te…
No specific answer as it requires writing an essay on one of the given historical topics. One would first choose a topic, then develop a thesis statement answering the associated …
-
what is the purpose of this process? copy dna make protein transport mo…
A. Copy DNA
-
how does dna in cells determine an organisms complex traits? dna folds …
DNA contains codes for proteins, which are necessary for the growth and functioning of an organism
-
the sequence of bases in the dna is most important for which of the fol…
Providing the instructions for the traits of an organism
-
what does the arrow indicate on the dna model? the junction of introns …
The hydrogen bond between complementary nucleotides
-
what strand of dna matches
The strand that matches (complementary) to TGTAGCTGCCGT is ACATCGACGGCA.
-
differences in traits such as hair texture are determined by difference…
the sequence of nucleotides in DNA
-
the sniper internal/external conflict pre - reading activity complete t…
1. An example of an external non - person vs. person conflict is a farmer dealing with a drought (person vs. environment). The lack of rain affects crop growth and livelihood. 2. …
-
slide: acne what do pores become clogged with, causing dead skin cells …
Oil (sebum)
-
guiding questions 1. use the plasmid dna below and identify the t7 prom…
1. To identify the T7 promoter, Origin of replication, and LacI repressor on the plasmid DNA, one would need to look for the specific labeled regions on the circular diagram. The …
-
fill in the blank question the ear includes the auricle and the tympani…
outer
-
suppose a developed nation begins to import more goods and services fro…
Consequence of Globalized Trade: lower prices for consumers, lower labor costs Not a Consequence of Globalized Trade: lower unemployment, lower economic growth
-
read the excerpt from everyday mysteries: can you really build a house …
The details list alternative sustainable building materials, thus supporting the main idea that sustainable building materials exist.
-
fill in the blank question the central nervous system receives informat…
proprioceptors
-
mr. hernandez gave his students a biology test last week. here are the …
| Test score | Frequency | |--|--| | 66 to 71 | 2 | | 72 to 77 | 5 | | 78 to 83 | 1 | | 84 to 89 | 3 |
-
multiple choice question olfactory receptors are ______. photoreceptors…
O chemoreceptors
-
harita must memorize 90 measures of music for her cello solo at a conce…
B. $m = 90 - 6d$
-
multiple choice question what is the immediate result of stimulating a …
The receptor's membrane potential changes.
-
inside earth, a(n) ____ forms due to the different temperatures of the …
A. convection cell
-
labeling diagrams. use the words listed below to label the parts of the…
12. e. converts chemical energy in food into components the cell can use 13. d. site where proteins are assembled 14. a. site where lipid components of cell membrane are assembled…
-
directions: find all the hidden words in the puzzle above that are defi…
Cell, Cell - membrane, Cytoplasm, Nucleus, Organelle, Endoplasmic reticulum, Golgi apparatus, Lysosomes, Mitochondria, Vacuole, Chloroplast, Cell - wall
-
olfactory receptors are examples of what class of sensory receptor? mul…
A. Chemoreceptors
-
what is detected by the hair cells in the semicircular canals? multiple…
B. Direction of motion
-
when cleaning his ear canal with a cotton swab, garrett pushes the swab…
He has torn the tympanic membrane so sound is not being transmitted to the middle ear.
-
what type of structures are temperature receptors? multiple choice spec…
C. Free nerve endings
-
after taking a bite of pizza, sensory receptors are stimulated in your …
Stimulation of sensory receptors → impulse sent to CNS → sensation → perception
-
jared has been an avid fan of rock music for many years and has attende…
B. His hair cells are permanently damaged and desensitized to loud sounds.
-
sensory impulses originate at receptors in response to multiple choice …
local changes in their cell membrane potentials
-
what type of receptor allows a pole vaulter to keep track of his positi…
C. Proprioceptors
-
where are receptors for the special senses located? multiple choice in …
C. Primarily in the head
-
4. this excerpt describes tactics used by the national womans party (nw…
It brought national attention to the women's demands for change.
-
matching 2 points arctic marine ecosystem: phytoplankton → krill → fish…
Phytoplankton - Primary Producer Krill - Primary Consumer Fish - Secondary Consumer Seal - Tertiary Consumer Polar Bear - Apex - Predator
-
the following diagram represents a cell. which part of the cell can be …
1. B. Part 2 (nucleus) 2. A. Part 1 (chloroplast) 3. All living organisms are made up of cells; Cells are the basic unit of life; All cells come from pre - existing cells.
-
sam is too thrifty to spend money on a new cell phone. denotation: conn…
Negative