There are twenty different types of _____________ which join together in differing sequences and numbers to form different proteins.
i thought there were twenty diferent types of (D)
Animal cells contain all of the following structures EXCEPT a A) nucleus. B) cell wall. C) mitochondria. D) Golgi apparatus.
The following statements can be classified as describing only a hypothesis, only a theory, or both. Look at the following answer choices and determine which belongs only in the hypothesis category.
A.) Based on observation, testable, can be disproven
B.) Explains natural phenomena, supported or not supported, has empirical evidence
C.) Prediction, tentative, one or more scientists working together
D.) Well established, many different scientists working independently, highly reliable
Answer: C.) Prediction, tentative, one or more scientists working together.
Explanation:
The prediction, tentative, one or more scientists working together is the correct option which describes a hypothesis. This is because of the fact that an hypothesis is an presumed statement of facts which is required to be tested by using suitable methodology. Scientists basically base their scientific hypothesis keeping in mind the previous theories or observation which were not proved satisfactorily earlier or exhibit some doubtful facts which are taken important for verification.
Answer: Im not sure the answer but i know that it is NOT A
Explanation
i just took it and A is wrong
convert 21.0 cm to inches. Show your dimensional analysis setup
All living things are able to maintain stable internal conditions, whether they are unicellular or complex, multicellular organisms. this property is called:
Which element is capable of forming long chains by forming single, double, or triple bonds with itself?
Hydrogen
Oxygen
Carbon
Nitrogen
define density write the formula (from memory ) and give two different units used to measure density
Answer:
Density, mass of a unit volume of a material substance. The formula for density is d = M/V, where d is density, M is mass, and V is volume. Density is commonly expressed in units of grams per cubic centimeter. Density can also be expressed as kilograms per cubic meter (in MKS or SI units).
Explanation:
What do scientists need to look at before developing an argument?
A scientific argument is known as people fail to agree about scientific claims using experimental data to prove their arguments. It is used by scientist to complete their research activities. Before developing an argument scientist need to look at the authenticity of the data, declarations, supposition or proposed explanation made on the basis of limited evidence and observations. These arguments are based on the proofs that are present. Therefore, they make sure that they are verified.
The nurse is preparing a care plan for a patient with a cardiovascular disorder. which intervention would the nurse perform in order to provide effective care for the patient?
The functions of the body that operate outside of conscious awareness are governed by the _______ nervous system.
Most extinction is ________.
a. gradual, generally occurring when species cannot adapt genetically to changes in environmental conditions
b. the result of slow climate change
c. the result of environmental catastrophe
d. problematic for generalists
e. not often a problem for endemics
An extinction event is a well-known and quick decrease in the biodiversity on Earth. Such an occurrence is recognized by a sharp change in the diversity and abundance of multicellular organisms. It happens when the rate of extinction surges with respect to the rate of speciation. In other words, this happens when species cannot adapt generally to the change in the environment. So the correct answer would be letter a.
The majority of extinctions take place gradually, usually because a species fails to adapt genetically to shifting environmental circumstances. It is not always tied to environmental catastrophes or climate changes. Specialists or endemic species, which have adapted to a specific environment, are more prone to extinction than generalist species.
Explanation:Most extinction is gradual, generally occurring when species cannot adapt genetically to changes in environmental conditions (Option a). This is primarily due to the slow nature of genetic evolution which cannot keep pace with sudden drastic changes in environmental conditions. Over the vast geological timescales, many species have disappeared due to such inability to adapt. It is not always linked to catastrophic events or climate changes. Moreover the problem of extinction more critically affects specialists and endemics, rather than generalists. Specialists or endemics are species that are adapted to a very specific type of environment, and hence have less flexibility to adapt to changes compared to generalists.
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What is the relationship between inherited traits and proteins?
Answer:
2021 anyone?
Explanation:
What similarity do all the accusative singulars of all three declensions share?
Scientists use whale flukes to identify individuals in a population. Which of the following characteristics of a whale fluke is not a genetic variation passed on from parent to offspring?
A.) Coloration of the fluke
B.) Shape of the fluke
C.) Size of the fluke
D.) Scars on the fluke
Answer:
The correct answer is option D, Scars on the fluke
Explanation:
The naturally existing characteristics such as colour, shape and size of any organism are linked to the genetic traits expressed. Only genetically controlled characteristics are passed on from generation to generation.
However, scars on the body (are caused due to external environmental factors) are not genetically controlled feature and thus it will not be passed on from parents to offspring.
Answer:
I just took the test
Explanation:
the correct answer is D. Scars on the fluke.
Explain why anatomical and molecular features often fit a similar nested pattern. in addition, describe a process that can cause this not to be the case.
Inactive or stored energy is called kinetic energy.
a. True
b. False
It is false that inactive or stored energy is called kinetic energy.
The energy an object has as a result of its motion is known as kinetic energy. An object in motion has the capacity to transfer energy and perform work.
Kinetic energy is not the same as stored or inactive energy. It's referred to as potential energy.
While potential energy is the energy an object has as a result of its position or state, kinetic energy is the energy connected to motion.
Thus, the statement "Inactive or stored energy is called kinetic energy." is false.
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Anders is in his mid-fifties. anders can expect that he will experience a gradual decrease in _____.
Anders, in his mid-fifties, can expect decreases in stamina, strength, reflex times, and sensory abilities as he ages, along with cognitive changes and a less efficient immune system.
Explanation:Anders, being in his mid-fifties, can expect a gradual decrease in several physical and cognitive abilities as he transitions into old age. This includes a decline in stamina, strength, reflex times, and sensory abilities such as vision and hearing. Additionally, cognitive changes like a decrease in brain cell numbers and reduced efficiency of the immune system are common, increasing the risk of illnesses and conditions such as Alzheimer's disease. It's important to note that while these declines are common, there is considerable individual variation in how and when they manifest.
Which factor would most likely speed up the rate of succession?
Mary recently had a small stroke that left her unable to move her right side. in which lobe of the cerebrum did the stroke most likely cause damage?
A client who is pregnant for the first time attends the prenatal clinic. she tells the nurse, "i'm worried about gaining too much weight, because i've heard that it's unhealthy." how should the nurse respond?
Answer:
After getting pregnant, an expecting mother should attain about fifteen to twenty-five pounds of weight, which is regarded as healthy and normal. The majority of expecting mothers only achieve a gain of about 2.5 pounds at the time of the first trimester. However, a gain in weight of about one pound in a week all through the left part of the pregnancy is considered quite normal.
The nurse is conducting a prenatal class explaining the various activities which will occur within the first 4 hours after birth. the nurse determines the session is successful when the couples correctly choose which reason for the use of an antibiotic ointment?
Which of the following planets has the longest orbital period? a. Neptune c. Venus b. Jupiter d. Earth
Therefore the correct answer is A. Neptune
Neptune has the longest orbital period among the planets listed. The orbital period refers to the time it takes for a planet to complete one orbit around the Sun. Neptune, being the eighth and farthest planet from the Sun in our solar system, has a significantly longer orbital period compared to the inner planets.
Neptune's average distance from the Sun is approximately 30 astronomical units (AU), with one AU being the average distance between Earth and the Sun. Its distance from the Sun and its slower orbital speed result in a longer orbital period. Specifically, Neptune takes approximately 164.79 Earth years to complete one orbit around the Sun.
Jupiter, despite being the largest planet in the solar system, has a shorter orbital period than Neptune. Jupiter orbits the Sun at an average distance of about 5.2 AU and completes one orbit approximately every 11.86 Earth years. Its closer proximity to the Sun compared to Neptune leads to a shorter orbital period.
Similarly, Earth and Venus have even shorter orbital periods compared to Jupiter. Earth, located at an average distance of about 1 AU from the Sun, completes one orbit in approximately 365.25 days, defining a year. Venus, the second planet from the Sun, has an orbital period of about 224.7 Earth days due to its closer proximity to the Sun than Earth.
In summary, Neptune, with its greater distance from the Sun and slower orbital speed, has the longest orbital period among the planets listed. Understanding the orbital periods of planets provides valuable insights into their dynamics, distances from the Sun, and overall characteristics within our solar system.
Scientists distinguish whether an entity is living or nonliving by describing the _____ of life.
a.characteristics
b.value
c.length
d.quality
_____ are filled with enzymes that can break down substances in cells to be used later
Answer:
Lysosomes
Explanation:
Looking at the line plots on your graph, describe how boiling point and melting point vary with respect to atomic number.
As skin cells are _____________, meaning they are mitotically active and continue to transition through the cell cycle, the wound should be healing. permanent stable labile
What two functional groups are bound to the central carbon of every free amino acid monomer?
Final answer:
Amino acids, the monomers of proteins, contain two functional groups, an amino group (-NH₂) and a carboxyl group (-COOH), attached to the central alpha carbon.
Explanation:
Amino acids are the building blocks, or monomers, that make up proteins. The central carbon atom in an amino acid, known as the alpha carbon, is covalently bonded to four different groups, making it a tetrahedral chiral center in all amino acids except glycine. Every amino acid contains both an amino group (-NH₂ or -NH₃⁺ when ionized) and a carboxyl group (-COOH or -COO⁻ when ionized) attached to this central carbon. Alongside these, there is also a single hydrogen atom and a distinctive 'R' group or side chain bound to the central carbon atom. The 'R' group differs among amino acids and determines the unique characteristics of each amino acid, such as size, polarity, and pH.
Why are biologists concerned about the destruction of rainforests?
The _______ is the body's slow-acting control system and acts by means of _______.
The endocrine system is the body's slow-acting control system and acts by means of hormone.
what are the properties of hormones ?Hormones are the chemicals secreted within the human body from endocrine gland under the controlled activities of the body, the hormones are released to the blood.
It act as a messenger and Blood act as a carrier to transmits them to various organs and tissues of the body, then hormones bind to the receptors of the target site, followed by transmission of the message to the organ or tissue.
Hormones have a low molecular weight, easily pass through capillaries, act in low concentration, soluble in water, non-antigenic, organic catalysts, act as coenzymes.
Hormones cause a limited number of reactions, can not affect any metabolic activities of a cell, after their function of hormone is over, they are converted into degradable form and excreted or inactivated, the activity is non-hereditary.
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What is an ion?
A.
a group of two or more atoms that acts like one atom
B.
a compound that contains two elements
C.
a particle in the nucleus of an atom that has no charge
D.
an atom or particle with a positive or negative charge
Answer:And Adam or particle with a positive or negative charge.
Explanation: