Answer:
The Spiracles is/are used for gaseous exchange in insects.
Explanation:
The Spiracles is a respiratory structure or an opening found on the exoskeleton of insects. It acts as a medium of gaseous exchange not only for Insects (Insecta) but also for some Arachnid (spiders and others).
b. only in the zygote.
c. specialized chromosomes.
d. cancer cells.
Answer:
A disease or infection of the inner ear.
Explanation:
The inner ear infection or inner ear disease can be described as inflammation of inner parts or ear, which are responsible for the hearing and balance, such as swimmer's ear (also known as otitis externa).
Swimmer's ear represents an ear infection, characterized by inflammation or irritation of ear canal, swelling and pain in ear canal, moist earwax, and decreased hearing.
Thus, the correct answer is option). 'a disease or infection of the inner ear.'
detect when the speaker’s voice changed from male to female
B.
identify any phrase associated with the unattended information
C.
detect when the unattended language was changed to German
D.
notice specific changes when the unattended speech was played backward
Answer: C. detect when an unattended language was changed to German.
The cocktail party effect refers to ability of a person to focus on a single speaker or conservation in a noise prone area. This mainly reflects listening ability of the person in a noisy environment. If a listener hears unattended language for a particular time along with noise.The listener may loose interest in listening and he will not show alertness when language changes to German which could be known language to listener.
In experiments testing the cocktail party effect, most participants were only able to detect when the speaker’s voice changed from male to female, illustrating the selective nature of our auditory perception.
The cocktail party effect is a psychological phenomenon where one can focus their auditory attention on a specific source while filtering out other background noises. This effect is named after a scenario of a cocktail party where one can focus on a single conversation in a noisy room. In experiments testing this effect, most participants were able to do one specific thing from the options given: that is, option A. detect when the speaker’s voice changed from male to female.
Participants found it hard to perform all the other tasks given. This is because the 'unattended' information in the auditory scene was not being processed to the point where the participants could identify phrases (option B), notice language changes (option C), or detect specific changes when the speech was played backward (option D). This highlights the selective nature of our auditory perception.
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Answer: Both combinations result in heterozygous dominant offspring, meaning the offspring will have a combination of red and white color. Therefore, the correct answer is c) Red and white cows (heterozygous dominant).
Explanation:
When a red cow (homozygous dominant) is crossed with a white cow (homozygous dominant), the offspring will inherit one allele from each parent. In this case, the red cow has two copies of the dominant allele for red color (RR), and the white cow also has two copies of the dominant allele for white color (WW).
The dominant allele for red color (R) is represented by a capital letter, and the dominant allele for white color (W) is also represented by a capital letter. Since both parents are homozygous dominant, their alleles do not carry the recessive allele for black color (r). The recessive allele for black color is represented by a lowercase letter.
When the red cow (RR) is crossed with the white cow (WW), the offspring will inherit one allele from each parent. Therefore, the possible combinations of alleles in the offspring are:
- Red cow (R) from the red parent and white cow (W) from the white parent: RW
- White cow (W) from the red parent and red cow (R) from the white parent: WR
It's important to note that this explanation assumes a simple Mendelian inheritance pattern and does not take into account other factors that could influence color inheritance in cows.
b. mitochondria
c. ribosome
d. vacuole
This part of the cell stores wastes, water or food is vacuole. TThus, option D is correct.
The vacuole is an organelle found in both plant and animal cells that stores various substances, including wastes, water, and food. It plays a crucial role in regulating the cell's internal environment and maintaining cell turgor pressure in plant cells.
Lysosomes are responsible for the digestion and elimination of cellular waste materials, mitochondria are the powerhouse of the cell involved in energy production, and ribosomes are involved in protein synthesis.
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Answer:
D
Explanation: