The endocrine gland that is often called the "master gland" because it affects the output of the other endocrine glands is the ____________ gland
a. pituitary
b. pineal
c. thyroid
d. adrenal
what are the implications of cloning
Angiosperms _____.
have flowers
have cones
are nonvascular
are seedless
Answer: The correct answer for the blank is -
have flowers.
Angiosperms are also known as flowering plants. These plants bear fruit and possess seeds that are enclosed within ovary (unlike gymnosperms that have naked seeds).
Example of angiosperm- Roses, tomatoes.
Thus, Angiosperms have flowers is the right answer.
Human skin becomes dry during winter, making it more prone to infections than during summer. How do the sebaceous glands protect the skin normally?
A. Sebaceous glands produce a substance that moisturizes and protects the skin. B. Sebaceous glands cause the hair to stand erect, which insulates and protects the skin.
C. Sebaceous glands produce keratin, which gives the skin a tough structure and protection.
D. Sebaceous glands contain collagen fibers, which provide strength and protection.
An unknown cell is placed in an unknown solution. the cell ends up swelling and then lysing, explodes. which type of solution was this cell placed in? draw your own example of this below.
data displayed in rows and columns is called a table ? true or false.
Select the proper cell parts listed below to fill in the blanks of the sentences that follow: 1. the is the semi-liquid portion of the cell in which the cell parts are located. 2. the is referred to as the headquarters of cell operation. 3. the structure found in a plant cell, but not in an animal cell, that carries out process of photosynthesis is the . 4. proteins are manufactured by the . 5. the structure that surrounds the cell and regulates what enters and leaves the cell is the . 6. nicknamed the "powerhouse of the cell", the are involved in energy production for the cell. 7. the surrounds the nucleus and controls what enters and leaves it. 8. in addition to a cell membrane, plant cells also have a that serves to provide strength and support to the cell. 9. are structures that contain digestive enzymes. 10. storage chambers within the cell are called . 11. found mostly in animal cells, the plays a role in cell division. 12. the cell structure that prepares and packages proteins either for use within the cell or for shipment out of the cell is the . 13. located within the nucleus, the is involved in making ribosomes for the cell. 14. among other tasks, the serves as a transportation system within the cell. 15. another name for the dna material located within the nucleus of the cell is .
What makes a heterogeneous mixture different from a homogeneous mixture?
The components are mixed unevenly instead of evenly within the heterogenous mixture.
Insoluble instead of soluble particles are suspended within the heterogenous mixture.
Two liquids that normally are not mixable are mixed in a heterogeneous mixture.
The components within a heterogeneous mixture are elements instead of compounds.
The correct answer is that the components are mixed unevenly instead of evenly within the heterogeneous mixture.
A heterogeneous mixture basically refers to any kind of mixture, which is not uniform in composition. It is an uneven mixture of smaller component parts. In the heterogeneous mixture, with the help of certain procedures, the mixture can be separated from each other.
On the other hand, a homogeneous mixture refers to a liquid, solid, or gaseous mixture, which exhibits the similar ratios of its constituents all through a given sample.
I most biological systems, cells are ________ to their environment.
The nurse inspects the thorax of a patient with advanced emphysema. what does the nurse expect the chest configuration to be for this patient?\
The ________ is a procedure that is used to determine the number of each of the various types of white blood cells.
Swelling occurs around the area of a scratch is what immune response?
A. Innate response
B. Adaptive response
What would happen if the sun stopped producing energy?
The 2 major components of the cell membrane are ______ and _______
The two major components of the cell membrane are proteins and phospholipids.
What is a cell membrane?The cell membrane is a biological membrane that distinguishes the interior of all cells from their surroundings and safeguards the cell.
It is mainly composed of proteins and phospholipids that constitute the structure of the cell membrane.
Thus, the major component of the cell membrane are proteins and phospholipids.
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The nurse is planning to use a newborn's foot to obtain blood for the required newborn metabolic testing. which part of the foot is the best site to use for the puncture?
Nearly ____ % of people with type 2 diabetes are overweight when diagnosed.
In castrated male rats, the medial preoptic area ____.
In the case of castrated or neutered male rats, the medial preoptic area has as much dopamine as normal rats, but the presence of a receptive female does not evoke much release of dopamine. Dopamine helps male sexual behavior in many species and is released just before and/or during copulation in three neural systems.
In castrated male rats, the medial preoptic area is essential for initiating sexual behavior, but not for sexual motivation. Damage to this area diminishes the rat's willingness to initiate sex, despite an unchanged motivation to seek sexual partners. This highlights distinct neural mechanisms for sexual behavior execution and motivation.
In castrated male rats, the medial preoptic area plays a key role in sexual behavior. This area, located in the anterior hypothalamus, is critical for initiating sex in males. If this area is damaged or lesioned, male rats exhibit a decrease in their inclination to initiate sex, even if they still seek out a sexual partner. However, the motivation to seek out a sexual partner does not seem to be diminished, suggesting that sexual motivation and the execution of sexual behavior are regulated by distinct neural mechanisms.
For comparison, in females, the ventromedial hypothalamus determines sexual receptivity, while the preoptic area is more involved with eating behaviors. The preoptic area in males corresponds to aggression-related areas, whereas in females, it overlaps with areas associated with nurturance.
Overall, the medial preoptic area is crucial for male sexual activity, while the ventromedial hypothalamus is key for female sexual behavior. This illustrates the gender differences in brain regions responsible for sexual behavior and motivation.
Can someone please help me with this? And can you please explain why that answer is right because im really confused and need clarification on this.
Exercise habits and sleep habits are examples of:
Which system controls the coordinated movement of animals? A. skeletal B. nervous C. muscular D. digestive
The correct answer is nervous system.
The system that controls the coordination movements of animals is known as the nervous system.
Information from the receptor passes along the neurons in the form of electrical impulses to the co-ordinator such as the central nervous system.
Stimulus → receptor → coordinator → effector → response
The CNS consists of brain and spinal cord. The muscle contraction and the gland secreting hormone are considered as the responses of the effector.
Sally was diagnosed with _____ diabetes, which places her pregnancy at a higher risk.
This pedigree chart tracks the inheritance of a recessive trait that is not sex-linked. Based on the information in the chart, which of the following statements is true?
A. Individual #8 must be heterozygous for the trait.
B. Individual #10 must be heterozygous for the trait.
C. Individual #13 must be homozygous dominant.
D. Individual #3 must be homozygous dominant.
Answer:
A. Individual #8 must be heterozygous for the trait.
Explanation:
Since the given trait is autosomal recessive, two normal but carrier (heterozygous dominant) parents can have the affected progeny. Individual 8 and individual 9 have affected son and daughter. Hence, both of them should be heterozygous dominant and carry one recessive allele to transmit to the affected progeny.
Individual 10 is affected with autosomal recessive trait and hence is homozygous recessive. Since individual 13 has two heterozygous recessive parents, it may or may not be homozygous for the dominant trait. Individual 3 have affected progeny and hence should be heterozygous dominant for the trait.
The inheritance of a recessive trait in a pedigree chart can reveal whether individuals are homoygouzs or heterozygous for the trait. An individual that does not express the trait but has offspring that do must be heterozygous. They carry one recessive allele, which is passed on to their offspring.
Explanation:Without the specific pedigree chart, it is hard to definitively answer this question. However, some general principles can be applied in relation to your question. In a pedigree that tracks the inheritance of a recessive trait, individuals that express the trait are homozygous for the recessive trait. Individuals that do not express the trait could be either homozygous dominant or heterozygous, possessing one dominant and one recessive allele.
Individuals that do not express the trait, but whose offspring do, must be heterozygous for the trait. This is because they must carry one recessive allele in order to pass it to their offspring who express the trait. For instance, if their genotype was homozygous dominant, they could not pass on the recessive trait. Only a genotype of heterozygous, consisting a dominant and a recessive allele, could pass on a recessive trait.
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What factors influence naturally occurring fluctuations in the levels of dissolved oxygen?
Describe two common waxes produced by organisms
What types of plasmids are found in prokaryotes? what significance have plasmids in medicine?
What passive and active processes are involved in the electron transport chain?
The electron transport chain involves both passive and active processes. Passive processes include the movement of electrons and protons along the chain, while active processes include the transport of protons and the transfer of electrons to the electron acceptor.
Explanation:The electron transport chain (ETC) involves both passive and active processes. Passive processes include the movement of electrons along the chain from higher to lower energy states, as well as the flow of protons (H+) down their concentration gradient, back into the matrix, through ATP synthase. Active processes include the active transport of protons (H+) across the membrane to create a proton gradient, as well as the active transfer of electrons from reduced electron carriers (NADH, FADH2) to the electron acceptor (O2) at the end of the chain.
Which type of cell division results in a daughter cell with 1/2 of the genetic information as the parent cell?
What is one way that a person can help to reduce the level of carbon dioxide in the atmosphere?
Solar power is the one way that a person can help to reduce the level of carbon dioxide in the atmosphere.
What is Solar power?Solar power is the use of the solar energy either directly in the form of thermal energy that is heat or through the use of photovoltaic cells in the solar panels and transparent photovoltaic glass to generate electricity.
Solar power is found to work by the conversion of energy from the Sun into power. There are two main forms of energy which are generated from the Sun for our use which include electricity and heat. Both of these forms are generated through the use of solar panels, which range in the size from residential rooftops to solar farms which stretching over acres of rural land areas.
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Termites are unable to digest some plant materials (fiber). Termite stomachs contain bacteria that digest the fiber in wood. Which type of relationship does this describe? commensalism mutualism parasitism competition
Answer: Mutualism
Mutualism is a symbiotic relationship in which two or more than two living organisms live together and benefits each other in the best possible way.
In this scenario, termites provide shelter to the bacteria in their gut and in response bacteria produces enzymes in the gut that breakdown the food and helps in digestion.
All living things are made up of carbon. this is because..?