Answer:
sinusoidal capillaries
Explanation:
What are some characteristics of scientific thinking?
Answer:
Open-mindedness. Capable of accepting new and different ideas.
Skepticism. Having an attitude of doubt.
Honesty. Scientists report results truthfully.
curiosity. leads to new scientific knowledge.
creativity. involves coming up with new sources and ways to solve problems or produce things.
Which pair of archaeological techniques provide the most similar information about an artifact?
А.
floatation and horizontal position
B.
vertical position and carbon-14 dating
D.
horizontal positioning and vertical positioning
C.
carbon-14 dating and screen sifting
The pair of archaeological techniques that provide the most similar information about an artifact are carbon-14 dating and screen sifting, which is option C. Carbon-14 dating is a technique used to determine the age of an artifact based on the decay of carbon-14 isotopes.
Archaeological techniques are used by archaeologists and other researchers to gather information about artifacts and other cultural and historical materials. Different techniques are used depending on the nature of the artifact and the specific research questions being asked. The two archaeological techniques that provide the most similar information about an artifact are carbon-14 dating and screen sifting.
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3. Name the division of the peripheral nervous system that is activated in each of these
examples:
a. You are startled when a friend pulls a practical joke and spooks you with a loud sound.
b. You move your arms and legs to take an evening walk.
c. Your stomach makes a gurgling sound as it digests your lunch.
d. Feeling a little stressed? You take a few breaths to calm down.
e. You are at the line, waiting for you race to start, and your heart begins to pound.
A startle reflex (a), digestion (c), breathing (d) and heart pumping (e) are responses of the ANS, while arm/leg movement (b) is a response of the SNS. They are major divisions of the PNS.
The peripheral nervous system (PNS) serves to connect the central nervous system to different organs, limbs, and skin.
The PNS can be divided into Somatic Nervous System (SNS) and Autonomic Nervous System (ANS).
The Somatic Nervous System is responsible for controlling the voluntary movements of the body.
The Somatic Nervous System is responsible for regulating the involuntary movements (reflexes) of the body.
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2. Which organisms make carbon dioxide in the
atmosphere available for all living organisms in
the ecosystem?
Answer:
land plants, bacteria, and algae
Explanation:
In scientific inquiry, when competing hypotheses have been eliminated, a hypothesis may be elevated to the status of a scientific
Answer:
Scientific Theory
Explanation:
how long can prime rib stay in fridge before cooking
While it's best the next day, leftover prime rib is good for between five and seven days in the fridge or up to six months in the freezer.
refer to vs map: gene expression—flow of information from gene to protein tour. in which ribosome site would you find the uncharged trna?
Answer:
Elongation
Explanation:
Peptidyl Transferase takes the peptide chain (amino acids) from the tRNA in the P-site and attaches it to the amino acid in the A-site. The now-uncharged tRNA in the P-site is expelled from the Ribosome (possibly through the E-site). The Ribosome moves down the mRNA by one codon.
how many bases are needed to specify an mrna codon
Answer:
Three bases
Explanation:
point mutations, such as silent, nonsense, and missense mutations, are caused by
Answer:
damage to DNA during replication process
Which of the following is the source of the carbon found in glucose molecules?
Answer:
Carbon dioxide
Explanation:
When the plant makes the glucose molecule, it gets the carbon and oxygen atoms it needs from carbon dioxide, which it takes from the air. Carbon dioxide doesn't have any hydrogen in it, though, so the plant must use another source for hydrogen. The source that it uses is water
Most of the food and waste materials that move into and out of a cell pass through
A.receptor proteins.
c. enzymes.
b. marker proteins.
d. channel proteins.
state one way of monitoring the activity of the heart other than measuring pulse
Answer: fitness tracker or a strap that you put against your chest
Explanation:
Please help me with this it’s so hard
Answer:
1: Frond's
2:Pistil
3:Gametes and spore's
4: photosynthesis
5: Spore
6:Stigma or ovule
7:Ovary
Hope this helps!
which organism has a central brain
1 hydra
2 sponge
3 flatworm
4 fish
ASAAAPPPPP
Answer: flatworm
Explanation:
where in the bone are red blood cells made?
periosteum
compact bone
spongy bone
joint capsule
Answer:
red blood cells or formed in the red bone marrow of bones
which organelle modifies sorts and packages proteins
Which phase of the systems development life cycle would describe in detail the desired features of the system
Answer:
Phase 3
Explanation:
Phase 3 of the systems development life cycle describes the desired features and operations of the system. The objective of the systems design phase is to transform all requirements into detailed specifications covering all aspects of the system. It should also assess and plan for security risks. Finally, approval to progress to the development phase must be granted to complete the systems design phase.
Would you support introducing Large Mouth Bass into California pond ecosystems in an attempt to control the American Bullfrog population?
Which planet has a dramatic greenhouse effect, no moons and acid in its' clouds? *
Options are
Mercury
Venus
Saturn
Neptune
Answer: venus
Explanation: Venus' thick atmosphere traps heat creating a runaway greenhouse effect – making it the hottest planet in our solar system with surface temperatures hot enough to melt lead. The greenhouse effect makes Venus roughly 700°F (390°C) hotter than it would be without a greenhouse effect.
where in the respiratory system does gas exchange occur?
Answer:
lungs
Explanation:
its were the oxygen and carbon dioxide is being separated
12. During the process of photosynthesis, energy from the Sun is converted into A. chemical energy in the bonds of inorganic molecules B. chemical energy in the bonds of organic molecules C. enzymes used to produce inorganic molecules D. enzymes used to produce organic molecules
Eliminate and explain pls
Answer:
Explanation:
A. Inorganic molecules are rarely present in the human body, and the products of photosynthesis only contain one inorganic molecule (a molecule without carbon), [tex]O_2[/tex].
B. This is correct because when looking at the photosynthesis equation you have [tex]H_2O[/tex] + [tex]CO_2[/tex] + Sunlight = [tex]C_6H_{12} O_6[/tex] + [tex]O_2[/tex] Now illustrating this conversion, the [tex]O_2[/tex] Was made from the breaking of the bonds, so no new bonding was formed, this is the only inorganic molecule. The organic molecule, glucose, or the C6H12O6, was made combining the ingredients H2O and CO2. In order to combine the components used to make the glucose, the energy from the sun helps with the exchange of electrons and facilitates the bonding to make the organic molecule glucose.
C. Sun energy can not be converted into energy used to create enzymes
D. Same as C
what is an environmental concern regarding genetically modified plants that are resistant to herbicides and the other similar plants located near them?
Answer:
Biodiversity Loss
Need help ASAP with this answer
Answer:
C.
Explanation:
Animals found in the tundra include the musk ox, the Arctic hare, the polar bear, the Arctic fox, the caribou, and the snowy owl. Many animals that live in the tundra, like the caribou and the semipalmated plover, migrate to warmer climates during the winter.
I hopes it's help :)
specific amino acids are attached to trna molecules by:
Answer: The energy of ATP hydrolysis is used to attach each amino acid to its tRNA molecule in a high-energy linkage. The amino acid is first activated through the linkage of its carboxyl group directly to AMP forming an adenylated amino acid; this linkage is driven by the hydrolysis of the ATP molecule that donates the AMP.
Explanation:
What is the difference between sex-linked traits and autosomal traits in humans?
A.
Sex-linked traits only affect females, while autosomal traits affect both males and females.
B.
Sex-linked traits refer to genes that are on the X and Y chromosomes, while autosomal traits refer to genes on all 23 chromosomes.
C.
Sex-linked traits can only be passed from fathers to sons, while autosomal traits can be passed on from both parents to offspring of any sex.
D.
Sex-linked traits are passed on through the X and Y chromosomes, while autosomal traits are passed on through the other 22 chromosomes.
Answer:
the answer would be b
Explanation:
3. A strain of cells undergoes a mutation that increases the permeability of the inner
mitochondrial membrane to hydrogen ions.
a) What effect would you expect this mutation to have on the process of cellular
respiration? 12
b) Assuming the mutant cells can survive, how might the metabolic requirements of
these cells differ from those of a non-mutant strain of the same variety? 12
A mutation that involves the permeability of the inner mitochondrial membrane to protons (H+) will affect the amount of ATP. If mutant cells can survive, then they will need more energy to create a suitable gradient.
Cellular respiration is a series of metabolic reactions by which aerobic cells can generate energy in the form of ATP by using the chemical energy stored in the foods.
Cellular respiration can be divided into three sequential stages: glycolysis, the Krebs cycle (also called the acid citric cycle) and oxidative phosphorylation.
During oxidative phosphorylation, the transport of electrons across the inner mitochondrial membrane is coupled to the generation of an electrochemical proton (H+) gradient, which is then used to generate ATP by means of a protein complex known as ATP synthase.
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I need an explanation to this plz help!!
Answer: a.
Explanation:hop this helps
The voyage of the H.M.S Challenger was important because (1 point)
O it was a race won by Americans, to demonstrate superior sailing and ship building skills
O navigators were able to circumnavigate the globe for the first time in history, demonstrating celestial
navigation skills.
Ophysicists, chemists, and biologists conducted experiments and gathered collections that changed
exisisting scientific knowledge about the oceans.
O the first known data gathered about ocean currents and the Gulf Streams influence on weather were
documented by biologists and meteorologists.
Answer:
Physicists, chemists, and biologists, conducted experiments and gathered collections that changed exisisting scientific knowledge about the Oceans.
Explanation:
Trust in me
Which statement best describes these cells?
Х
Cell A
Cell B
Cell Blacks vacuoles while cell A has them.
DNA would not be found in either cell A or cell B.
Both cell A and cell
use energy release from ATP.
Both cell A and cell B produce antibiotics.
Answer:
cell blacks vacuoles while cell A has them
Which activity would you do to find out presence of moisture in soil sample? Describe it with a diagram
You could calculate the moisture content of the soil by subtracting the weight of the dry soil from the weight of the moist soil, and then divide by the weight of the dry soil.