Answer:
Anwer:
If the testis does not produce enough hormones, the result maybe underdeveloped genitals, delayed puberty, infertility, decreased sex drive etc.
If the ovaries do not produce enough hormones, the result maybe infertility, weight gain, excessive facial and body hair, etc.
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Explanation:
well be in a meeting will call you when I leave the house like this one too much to ask to buy a new here and I have a car but the gathered that
When a fossil fuel is burned, - energy is converted to kinetic energy.
Answer here
SUBMIT
25) Which organelle often takes up much of the volume of a plant cell?
A) lysosome
B) central vacuole
C) Golgi apparatus
D) chloroplast
Answer:
B. central vacuole
Identify the role that cholesterol plays in a human cell.
O forms the nuclear membrane
is used to increase the rate of cellular reactions
O is a precursor for forming DNA
O forms part of the cell's outer membrane
Answer:
forms part of the cell's outer membrane
Explanation:
Which of the following statements is false regarding epithelial tissue?
A. exhibits cellularity; a close-packing arrangement
B. has specialized contacts: tight junctions, desmosomes, gap junctions
C. exhibits polarity; has an apical and basal surface
D. epithelial tissue is innervated and avascular
E. has a low regenerative rate
Explanation:
C. exhibits polarity; has an apical and basal surface
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Directions: Answer the following questions. 3. When you swallow, which type of muscle moves food from your throat all the way down into your stomach? A. skeletal muscle B. cardiac muscle C. smooth muscle D. voluntary muscle
Answer:
c smooth muscle
Explanation:
esophagus does moves food to the stomach
esophagus is a smooth muscle
En el año 1986;el 48%de la población humana vive en ciudades. Y se calculó que para el 2010 es del 51%;¿Explique a qué se debe este número?
A cell is
if it lacks a nucleus and membrane-bound organelles.
A. autotrophic
prokaryotic
eukaryotic
O D. heterotrophic
Answer:
A prokaryote is a simple, single-celled organism that lacks a nucleus and membrane-bound organelles.
In pea plants, there are two alleles for the gene controlling Flower Color, with the allele for Purple Flowers (P) being completely-dominant to the allele for White Flowers (p). Another gene controls Flower Position with the allele for Axial Flowers (A) being completely-dominant to the allele for Terminal Flowers (a). If a plant that was true-breeding for Purple-Axial Flowers was crossed with a plant that true-breeding for White-Terminal Flowers, what would be the expected phenotypic ratio two generations later
Please help me, PLEASE
Answer:
Explanation:
PLEASE HELP
how neurotransmitters carry nerve impulses across the synaptic cleft
how neurotransmitters carry nerve impulses across the synaptic cleft?
Neurotransmitters move between the axon and the dendrite of the following neuron through the synapse. Neurotransmitters bind to the dendrite's membrane. The nerve impulse can go through the receiving neuron because of the binding.
_____________
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Have a great day!!
Humans benefit from natural resources every day. For example, right now you're using a computer or similar device
to read this question. Can you name any natural resources that were likely used to build this device? What natural
resources are you using by operating it?
Answer:
copper
Explanation:
is a mineral used to make electrical conductors because of its durability.
human beings are also natural resources,so by me operating this computer,am utilizing myself as a natural resource.
The laptop is a device which is generally used. It is composed of electrical conductors which contains metals such as copper. Copper is a natural resource.
What are Natural resources?Natural resources are those resources which are drawn from the nature and are used with few modifications. This includes the sources of valued characteristics such as those for commercial and industrial use, aesthetic value, scientific interest, and cultural value.
Copper is a highly recyclable, non-renewable natural resource. It is present in a finite amount and cannot be regenerated once used fully. Copper is a soft and malleable metal which is used in the electrical wires and cables for its good conductivity, in the industrial machinery and construction materials for its durability, machinability, and corrosion resistance, and also the ability to be cast with high precision.
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Which of the following is an organism whose cells each contain a membrane
bound nucleus?
Answer:
D. Eukaryote
Explanation:
An organism that has membrane-bound organelles will have more complex organelles like mitochondria, Golgi apparatus, and ER. These are known as Eukaryotes. Additionally, they will have a nucleus that has the DNA coiled inside. Prokaryotes do not have membrane-bound organelle and the DNA floats in the cytoplasm. Most plants and animals are eukaryotes and all multicellular organisms are too.
What is Saturn ? Explain your answer.
Answer:
Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius of about nine and a half times that of Earth. It only has one-eighth the average density of Earth; however, with its larger volume, Saturn is over 95 times more massive.
Explanation:
plz mark me as a brainlest
Saturn is the sixth planet from our Sun (a star) and orbits at a distance of about 886 million miles (1.4 billion kilometers) from the Sun. there you go
why is it important to keep the temperature and amount of water the same when testing the surface area.
Answer:
The temperature and the amount of water need to be kept the same so that the only variable that changes is surface area
Explanation:
Answer:
The temperature and the amount of water need to be kept the same so that the only variable that changes is surface area. If you allow the temperature and/or the amount of water to change too, you will not know which variable is causing the changes that you observe
Explanation:
edge sample
Question 6 of 15
Time and velocity are both vectors.
A. True
B. False
SUBN
Answer:
true
Explanation:
because we need both
Which of the following changes takes place during the second trimester of a
woman's pregnancy?
A. The fetus begins to form teeth.
0 0
B. The fetus begins rhythmic breathing movements.
C. The fetus's hands and feet appear.
D. The fetus develops toenails, lips, and eyelashes.
In FEOTAL DEVELOPMENT, there are various changes which occurs Both in the foetus and the mother. These changes are broadly grouped into three stages which includes:
--> First trimester: This stage starts from conception to 12 weeks. This stage in pregnancy involves the following changes in the foetus which is called an embryo at this stage:
• the major organ systems which includes the digestive system, the heart and circulatory system begins to develop
• facial features starts to develop.
• fetus begins rhythmic breathing movements at 10th week of this stage and continues through out the gestation period.
• teeth starts to harden and connect to the jaw bone at the 10th week of this stage.
• By the end of this stage baby's arms, hands, fingers, feet and toes are fully formed.
--> SECOND TRIMESTER: This stage starts from 13th week through 28th weeks of pregnancy. It involves the following changes:
• the heartbeat is now audible and this can be detected using the instrument called doppler.
• Your baby is covered by fine, feathery hair called lanugo and a waxy protective coating called vernix. Eyebrows, eyelashes, fingernails, and toenails have formed.
• the finger and toes are well defined with the prints visible enough.
--> Third trimester: This lasts from 29th week to due date which is usually at 40th week. The following changes occurs
• the brain continues to develop rapidly so that it can blink, close the eyes, turn the head, grasp firmly, and respond to sounds, light, and touch.
• it continues to develop reserves of body fat which will help out in early days after birth.
Therefore the CORRECT option is D which states that the fetus develops toenails,lips and eyelashes.
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Give one example of drug that is ligand to muscarine receptors
Answer:
Muscarinic Agonists
Scopolamine.
Muscarinic Acetylcholine Receptor.
Eicosanoid Receptor.
Acetylcholine.
Pilocarpine.
Cholinergic.
Carbachol.
Agonist.
what are the causes of the environmental pollution ?
elevated the prediction using the specific experimental procedure they collected the experimental by catching mice on the beach and releasing them in lines and by catching mice from Inland releasing them on beach it wash to see if they were eaten by predators predators true or false
Answer:
True
Explanation:
The mice captured from beach would find it difficult to move in lines as it has habit to move freely in any direction. The mice will move slowly. The second mice captured from inland and released on beach would first wait before moving and it will analyze the environment. There are high chances that it nay be eaten by predator such as crab.
What is the relationship between CdKs and cyclins?
Answer:
By definition, a CDK binds a regulatory protein called a cyclin. Without cyclin, CDK has little kinase activity; only the cyclin-CDK complex is an active kinase but its activity can be typically further modulated by phosphorylation and other binding proteins, like p27.
How does the ear pick up sound waves from the external environment? (any bots or links added will be reported!)
Answer:
The auricle a portion of the outer ear collects sound waves, channeling into the ear canal where the sound is amplified.
Explanation:
The auricle a portion of the outer ear collects sound waves, channeling into the ear canal where the sound is amplified.The auricle a portion of the outer ear collects sound waves, channeling into the ear canal where the sound is amplified.The auricle a portion of the outer ear collects sound waves, channeling into the ear canal where the sound is amplified.The auricle a portion of the outer ear collects sound waves, channeling into the ear canal where the sound is amplified.The auricle a portion of the outer ear collects sound waves, channeling into the ear canal where the sound is amplified.Answer:
Explanation:
Part of the east coast of South America and the west coast of Africa have matching fossils within the same series or rock layers. This provides evidence that these continents were once *
A) Separated by a much larger ocean
B) Joined together as one landmass
C) located near the North Pole
D) In a different hemisphere
The image shows two different organisms.
Which of these characters is shared by both?
(a) Both are plants
(b) Both depend on food prepared by others
(c) Both have chlorophyll to perform photosynthesis
(d) Both can help in nitrogen fixation
Answer:
'a. both are plant ' these characters is shared by both
Describe two ways in which the above law protects citizens against human trafficking
Answer:
The law in question is not included so I will include tow different laws and how they protect people from human trafficking.
1. The Victims of Trafficking and Violence Prevention Act (TVPA).
This Act made human trafficking a Federal crime while also establishing rules on how to prosecute human traffickers and getting the victims of trafficking reintegrated into society and protected. Under this Act therefore, citizens are protected because the law would act as a deterrent to a lot of would-be traffickers.
2. The Mann Act of 1910.
Under this Act, it is a crime to make promises to people such that they cross state lines and are then involved in activities they did not sign up for - this is a definition of human trafficking so this law protects citizens from that.
Which epithelial lining is found in the trachea
If oxygen is more concentrated outside a cell than inside
Answer:
What happens if the concentration of oxygen molecules outside the cell is lower than that inside the cell? Diffusion.....the oxygen molecules will move inside the cell until the concentration is equal inside and outside. Why do many cellular processes depend on osmosis?
Explanation:
Three common types of passive transport include simple diffusion, osmosis, and facilitated diffusion.
If oxygen is more concentrated outside a cell than inside diffusion will occur.
Oxygen is an element that is for cellular respiration which are metabolic processes that are essential for life.
A cell is the smallest and basic structure of organisms that is surrounded by a membrane.
Diffusion is the process by which molecules of a substance move from a region of where they are highly concentrated to a region where they are less concentrated.
Therefore when oxygen molecules is more concentrated outside a cell than inside, a concentration gradient exits between the inside and outside of the cell leading to diffusion of oxygen into the cell.
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Rickettsia typhi is a species of infectious bacterium that is an obligatory intracellular parasite. This means that, similar to viruses, R. typhi cannot reproduce and survive outside of a eukaryotic cell. Why do we consider viruses nonliving, but rickettsia alive
Answer:
Due to its characteristics.
Explanation:
We consider viruses are nonliving, but rickettsia are living because rickettsia have the characteristics of bacteria which is a living and has unique structure. It also survives outside the living cell but not for long time. The rickettsia remain in their shape and does not form crystalline structure like viruses outside the cell. If there is suitable environment for rickettsia, it can survive in that environment.
Mitosis:
a. takes place only in brain tissue
b. creates cells that are different from each other
c. makes sex cells for sexual reproduction
d. creates identical cells for growth, repair, and asexual reproduction
Answer:
d. creates identical cells for growth, repair, and asexual reproduction
Explanation:
Mitosis is used by somatic, or body, cells; this is how they reproduce. Since the new cells are intended for the same job, they are made identical to the parent. Additionally, mitosis only includes one parent cell so it is asexual. Sexual reproduction occurs through meiosis. Mitosis begins with one parent cell and ends with two identical daughter cells.
which organisms replicate cells by mitosis?
a. animals and bacteria
b. bacteria and plants
c. animal and plants
d. archaea and bacteria
e. archaea and plants
Answer:
d.??????????????????
Answer: C!
Explanation: eukaryotic cells may divide via either mitosis or meiosis. only sexually reproducing eukaryotes can engage in meiosis. all eukaryotes — regardless of size or number of cells — can engage in mitosis.
Having no cell nucleus, archaea do not reproduce via mitosis; rather, they procreate using a process called binary fission. So D AND E are eliminated. And so is B because that has bacteria.
SO FINAL ANSWER; mitosis happens in eukaryotes, plant and animal cells
Which choice refers to a single population?
