Answer:
A lymphocyte is a type of white blood cell that is part of the immune system. The B cells produce antibodies that are used to attack invading bacteria, viruses, and toxins. The T cells destroy the body's own cells that have themselves been taken over by viruses or become cancerous.
Explanation:
Antibiotics have been used to treat bacterial infections since the 1940s. In
recent years, many antibiotics have become less effective as resistance to
these treatments rises. Which statement best describes how bacterial
resistance to antibiotics demonstrates natural selection?
If the environment changed in the Galapagos Islands and soft seeds were scarce but tough-shelled seeds were abundant which population of finches would experience an increase?
What is one way to reduce the use of nonrenewable energy resources?
A building additional gas-powered factories in rural areas
B making more efficient gas-powered automobiles
C burning coal instead of wood in a fireplace
D mining for coal instead of drilling for oil
One way to reduce the use of nonrenewable energy resources is that make more efficient gas-powered automobiles. Thus, the correct option is B.
What is a Non-renewable energy resource?A non-renewable energy resource may be defined as a source of natural resources that can not be readily replaced by natural means at a speed quick enough to keep up with consumption. Such types of resources take millions of years to be synthesized.
Burning of coal, mining of coal, building additional gas-powered factories in rural areas, utilization of nuclear energy, etc. are not the measures that are helpful in the reduction of usage of nonrenewable energy resources.
If we want to reduce the usage of non-renewable energy resources, it is required to be less dependent on such resources.
Therefore, one way to reduce the use of nonrenewable energy resources is that make more efficient gas-powered automobiles. Thus, the correct option is B.
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When blood that is high in carbon dioxide exits the heart, it immediately enters which body system?
Answer:
The Circulatory System
Explanation:
When blood is rich in carbon dioxide it leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. (All of which have to do with the circulatory system)
Direction: List down nine measuring tools on you answer sheet.
1. ____________
2.____________
3.____________
4.____________
5.____________
6.____________
7.____________
8.____________
9.____________
10.____________
Answer:
Calipers.
Micrometer.
Laser Measure.
Ruler.
Compass.
Square.
Measuring Tape.
Tailor's Measuring Tape.
Some medicines are delivered in capsules or artificial vesicles to be swallowed. Would this method be best for delivering medicines that act on target protein in the plasma membrane,the mitochondria,or the cytosol?
Answer:
the cytoplasm because cytoplasmic enzymes can degrade artificial vesicles such as, for example, lipid-like vesicles. Subsequently, the drug can be delivered at specific cellular locations (including the cell membrane and mitochondria)
Explanation:
The design and development of drug delivery systems is fundamental for the efficiency of the medicine being delivered to the body. Within the cytoplasm, there are specific lytic enzymes that degrade capsules containing medicine (e.g., lipolytic enzymes capable of degrading lipid vesicles). Within the cytoplasm, the drug is delivered to target sites (in this case, the cell membrane or mitochondria) by the activation of different molecular recognition mechanisms.
If a dog has 72 chromosomes, how many chromosomes will be in each daughter cell, after mitosis and cytokinesis?
a. 36
b. 48
c. 72
d. 144
TRUE OR FALSE? Translation produces proteins that are needed for the
structure and function of all cells. *
True
False
Answer:
true
Explanation:
Which method of heat transfer is energy that is teansferred by electromagnetic waves?
Answer:
Radiation
Explanation:
Radiation is the transfer of heat by means of electromagnetic waves.
Classify the statements as true or false
Fossils help scientists date rocks
Sometimes younger rock layers are found beneath older rock layers
The map of earth has changed over millions of years, but it is now set
No fossils from the Precambrian era have been found because there were no organisms at that time
Answer:
1. True 2. True 3. False 4. False
Explanation:
Fossils help scientist date rocks: Fossil presence is one of the most useful characteristics to date a rock, a fossil will set a specific geological age in which the organisms was present in the world, and vice-versa a new fossil can be dated by studying the age of the rock it was found. Answer: True
Sometimes younger rock layers are found beneath older rock layers: This phenomenon can be found in rock layers near the surface because process such as landslides that happen on the surface moves the surface rocks often resulting in older rocks appearing in the surface and younger rocks being buried by them. Answer: True
No fossils from the Precambrian era have been found because there were no organisms at that time: Although the number of organisms where very little organisms like algae (Stromatolites) were present in this era and fossils can be found. Answer: False
The map of Earth has changed over millions of years: but it is now set: The Earth crust is actually still moving, and will always move due to the tectonic plates and their movement caused by density and pressure, Nowadays The countries have moved from their once mapped location, because of this maps are needed to be updated by new geodesic measurements of the surface. Earth crust moves 2.5 centimeters per year. Answer: False
can someone please help? I’ll give brainliest
Answer:
C.)
Explanation:
Hope this helps you out!
How are different types of radiation arranged along the
electromagnetic spectrum?
Answer fast plzzzz
Answer:
In order of increasing frequency!
Explanation:
Answer:
by the amount of energy they carry
Explanation:
An ecosystem that offers many different niches...? A. Can support many different species B. Usually only supports insect life C. Supports animal life but not plant life
An ecosystem that offers many different niches can support many different species. Therefore option B is correct.
An ecological niche refers to the specific role and position that a species occupies within an ecosystem. It includes the species' interactions with other organisms, its habitat requirements, its feeding preferences, and its overall contribution to the ecosystem.
Different species have different niches, which allows for the coexistence of multiple species within an ecosystem.
When an ecosystem provides a wide range of niches, it offers diverse opportunities for various species to thrive. Each niche represents a unique set of resources and conditions that can be utilized by specific species.
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I need this today please help me I’ll help you
Answer:
3
Explanation:
3 at a time
Answer:
3 bases.
iebdjndidndusoandusidjxjidjduxhdjdhdjdndudhdisndudhdkdndidj-it asked me to write 20 letters
function of dna in virus
Pls help :)
Answer:
Holds the genetic makeup of the virus. it contains the instruction of what the virus should do and how it should do it and so on.
how Many of us are the solutions that will help us understand this
HELP DUE IN 10 MINS!
What type of solution is the cell in below?
A. hypertonic solution
B. hypotonic solution
C. isotonic solution
Answer:
isotonic solution
Explanation:
this means the inside and outside of the solute are the same
Answer:
i wuv you so much babes :)
Explanation:
California Redwood Trees can reproduce using both Sexual and Asexual reproduction.
Which offspring would have more genetic variation?
Explain your reasoning.
How do scientists analyze pictures of chromosomes to identify the pairs and develop a karyotype?
A.)parents
B.)order
C.)color and odor
D.)size and shape
Answer:
D) size and shape
Explanation:
they would look for 2 chromosomes that look alike to develop a karyotype
Which picture indicates the process of DNA replication correctly?
Answer:
The answer would be picture 4
Explanation:
Usually when people look at it first they would go to picture one since the DNA is modeled in a circular motion but, when it comes to replication, your answer would be picture 4.
hope this helps :)
Which of the following best describes the semiconservative model and the end result
of DNA replication?
When replication is complete you have two identical DNA molecules with two conserved
strands.
When replication is complete you have one DNA molecule that consists of three conserved
strands and one new strand.
When replication is complete you have one DNA molecule that consists of two conserved
strands.
When replication is complete you have two identical DNA molecules, each with one new
strand and one old strand.
Answer: C
Explanation: When replication is complete you have one DNA molecule that consists of two conserved strands.
Multiple Choice
The endocrine and muscular systems interact to absorb nutrients when the-
A. tongue and saliva break down food.
B. stomach villi and blood distribute food.
C. jawbone and muscles grind down food.
D. esophagus and stomach transport the food.
stomach villi and blood distribute food
Answer:
B or ..... C
Explanation:
How does the nucleus, cell membrane, and ribosomes work together?
Answer:
Eukaryotic cells have a true nucleus, which means the cell's DNA is surrounded by a membrane. Therefore, the nucleus houses the cell's DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.
OR
In the nucleolus, new ribosomal RNA combines with proteins to form the subunits of the ribosome. The newly made subunits are transported out through the nuclear pores to the cytoplasm, where they can do their job.
The nucleolus inside the nucleus produces ribosome components, which are synthesized just outside of the nucleus form ribosomes.
The spindle then sends mRNA towards the ribosomes, which is used to code for protein synthesis.
Other organs in the cell, including the mitochondria and lysosomes, are surrounded by lipid membranes that isolate them from other components in the cell.
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A woman with blood type O and a man with blood type AB have a child together. What are the possible blood types of this child ?
Answer:
O type blood (ii) and AB type Blood (IAIB) 50% of their children will have type A blood (IAi) and 50% will have type B blood (IBi)
Explanation:
how exercise affects the process of producing energy.
Find the slope between (2,4) and (4,6). Reduce it.
show your work
Answer:
[tex]\displaystyle m=1[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Coordinates (x, y)Slope Formula: [tex]\displaystyle m=\frac{y_2-y_1}{x_2-x_1}[/tex]Explanation:
Step 1: Define
Point (2, 4)
Point (4, 6)
Step 2: Find slope m
Simply plug in the 2 coordinates into the slope formula to find slope m
Substitute in points [Slope Formula]: [tex]\displaystyle m=\frac{6-4}{4-2}[/tex][Fraction] Subtract: [tex]\displaystyle m=\frac{2}{2}[/tex][Fraction] Divide: [tex]\displaystyle m=1[/tex]Match the vocabulary word with the definition.
Question 1 options:
A measure of the amount of matter in an object
A situation in which two objects in close contact exchange energy and momentum
the speed of an object in a particular direction
the force or speed with which something moves
to put forth effort
1.
momentum
2.
collision
3.
exert
4.
mass
5.
velocity
Answer:
collision the force or speed with which something moves
Explanation:
DIRECTIONS: Different organisms are listed in the first column. Determine the number of parent/s involved in the second column and on the third column identify the types of reproduction they undergo. Pls help
Answer:
There are two mode of reproduction in living organisms sexual and bisexual reproduction. In Asexual reproduction, fusion of gametes do not take place and have single parent and in sexual reproduction, two parents (male and female) are involved to give birth to new organism.
1. Amoeba : 1 parent ; Asexual reproduction
2. Caraboa: 2 parents; Sexual reproduction
3. Molds: 1 parent: Asexual reproduction and molds reproduce through spores.
4. Strawberry: 1 parent; Asexual reproduction by following vegetative reproduction
5. Yeast: 1 Parent; Asexual reproduction by following the process of budding.
How can you tell the stigma
from the stamens in a tubular insect-pollinated flower
Explanation:
The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called the style. The style leads to the ovary that contains the female egg cells called ovules. The male parts are called stamens and usually surround the pistil.
Boundaries, which are actually large cracks in the ________, form Earth's plates. These plates can separate from one another.
A. lithosphere
B. core
C. atmosphere
Boundaries, which are actually large cracks in the lithosphere, form Earth's plates. These tectonic plates can separate from one another and the correct option is option A.
The boundaries of Earth's tectonic plates are formed by large cracks in the lithosphere, which is the rigid outer layer of the Earth. These plates are distinct sections of the lithosphere that float on the semi-fluid asthenosphere below. The movement of these plates is driven by the flow of material in the mantle.
At plate boundaries, various geological processes occur, such as seafloor spreading, subduction, and continental collision. These processes can lead to the formation of new landforms, earthquakes, volcanic activity, and the shaping of the Earth's surface over geological time scales.
Thus, the ideal selection is option A.
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