Answer:
We may consider bees good because they pollinate the plants that give us food crops. We may consider mosquitos bad because they can transmit malaria.
Which of the following characteristics do homologous chromosomes exhibit?.
Homologous chromosomes carry alleles of the same traits and therefore, carry the genetic information for the same trait.
Homologous chromosomes are a pair of chromosomes with the same gene sequence but of different origins - one paternal and the other maternal.
Thus, homologous chromosomes carry the same traits, although could be of different forms. For example, one of the chromosomes might carry a gene for tallness while the other might carry a gene for shortness even though both tallness/shortness represent a gene for height.
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A good way to avoid bias when collecting samples is to ___.
a. collect a small sample number
b. use many different types of variables
c. use three different types of variables
d. collect a large sample number
Answer:
D. Collect a large sample number
Explanation:
With a larger sample number, that means that more people participated and gave the correct answer. If you constantly change the variable, the answer may always be the same but because of the variable you changed.
what cells are the stem cells for spermatogenesis?
Answer:
Spermatogonial stem cells
Explanation:
What is the primary purpose of a human community?
Answer:
to meet needs throught collective effort
10. A battery-operated alarm
clock waking you up in the
morning. What type of energy is this?
Answer:
Chemical Energy!
Explanation:
A Battery is made of chemical energy!
How many pairs of spinal nerves are there in the human body?
Answer:
31 pairs is correct
Explanation:
the green pigment that traps the energy of sunlight for photosynthesis is
_________ is the study of the means by which living organisms both obtain and utilize the nutrients they need to grow and sustain life.
why would an ecosystem with only a few different types of organisms have a less complex food web than an ecosystem with many different of organisms
Answer:
An ecosystem with only a few different types of organisms has a less complex food web than those with many different types because in a less complex food web, only a few organisms are needed to be presented, more nutrients are absorbed and less energy is needed to complete the food web.
What is the difference between a species and a population?
Answer:
species is the type of organism population is the amount of said organism
Explanation:
Which of the following statements is TRUE if Joel and Karen are doing exactly the same things, but Joel has a higher metabolic rate than Karen?
Answer:
a. Joel burns more calories than Karen.
Explanation: is correct
predict what would happen if the lac repressor were altered so it could not release lactose once lactose was bound to it.
At each step of the food chain, how much energy is used by the organism and how much is stored in their tissues?
Someone plz help me :(
Which of the following choices best describes ‘ovulation?'
A. An egg is released from the ovary.
B. An embryo sinks into the uterus lining.
C. The sperm and egg nuclei fuse.
D. The ejection of sperm through the penis.
Answer:
An egg is released from the ovary
Ovulation is a crucial process in the female reproductive system, occurring as a part of the menstrual cycle. It involves the release of a mature egg (ovum) from one of the ovaries. The correct option is A. An egg is released from the ovary.
1. **Menstrual Cycle**: The menstrual cycle is the regular hormonal cycle that occurs in women of reproductive age. It typically lasts around 28 days, although the length can vary from woman to woman. The cycle is divided into different phases, with ovulation occurring during one specific phase.
2. **Follicular Phase**: The menstrual cycle begins with the follicular phase, where hormones, primarily follicle-stimulating hormone (FSH) and luteinizing hormone (LH), are released by the pituitary gland. These hormones stimulate the growth and maturation of follicles in the ovaries.
3. **Ovarian Follicles**: Within the ovaries, multiple tiny sacs called ovarian follicles contain immature eggs. Each month, one of these follicles becomes dominant and continues to grow while others degenerate.
4. **Mature Follicle Development**: As the dominant follicle grows, it secretes estrogen, a hormone that prepares the uterus for a potential pregnancy. The rising estrogen levels also trigger a surge in luteinizing hormone (LH) around the middle of the menstrual cycle.
5. **Ovulation**: The LH surge triggers the final stage of ovulation. It causes the mature follicle to rupture and release the mature egg from the ovary. The egg is swept into the fallopian tube by tiny hair-like structures called cilia.
6. **Fertilization**: The released egg remains viable for about 12-24 hours. If sexual intercourse occurs during this time and sperm are present in the fallopian tube, fertilization may occur. Fertilization is the process where the sperm penetrates the egg, resulting in the formation of a zygote (fertilized egg).
7. **Implantation or Menstruation**: If the egg is not fertilized, it will eventually disintegrate, and hormone levels will drop. This leads to the shedding of the uterine lining, causing menstruation to occur. On the other hand, if fertilization occurs, the resulting zygote will undergo several divisions and travel down the fallopian tube to the uterus, where it may implant into the uterine lining and develop into a pregnancy.
Ovulation is a crucial event in the female reproductive cycle, marking the release of a potential egg for fertilization. It is a key factor in determining fertility and the ability to conceive a child.
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why are carbon atoms important in organic molecules
6. As the lunar cycle progresses from the full moon to new moon the light will appear to _________.
7. The “growing light” that appears during the first half of the lunar cycle is referred to as __________.
8. The ___________ phase occurs at 21 days into the cycle and shows the left half of the moon illuminated.
9. In a crescent stage __________ than half of the Moon appears illuminated and during a gibbous stage __________ than half appears illuminated.
-I know this is asking for a lot but I really don’t know-
-I need the answers asap!-
-thanks in advance!-
Answer:
6. As the lunar cycle progresses from the full moon to new moon the light will appear to decrease
7. The “growing light” that appears during the first half of the lunar cycle is referred to as waxing.
8. The third quarter / 7th phase occurs at 21 days into the cycle and shows the left half of the moon illuminated.
9. In a crescent stage less than half of the Moon appears illuminated and during a gibbous stage more than half appears illuminated.
Explanation:
The "growing light" that appears during the first half of the lunar cycle is referred to as the "waxing phase" ,the first quarter phase occurs 21 days into the cycle and in the crescent stage, less than half of the moon appears illuminated.
What is the significance of the lunar cycle?It has much significance and is related to the moon, which is a natural navigation aid for mariners, providing light at night and it has an impact on the life cycles of animals and plants, including breeding and migration, and the gravitational pull of the moon and the sun causes the tides to rise and fall.
Hence, the "growing light" that appears during the first half of the lunar cycle is referred to as the "waxing phase" ,the first quarter phase occurs 21 days into the cycle and in the crescent stage, less than half of the moon appears illuminated.
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A mother has type O blood and a father is heterozygous for type B blood. What are the chances of the offspring having type O blood?
Answer:
50 percent
Explanation:
O is a recessive trait. The father has a B and an O, using a punnet square you are able to determine that the possible outcomes are BO, BO, OO, and OO
What must a student do to obtain a volume of 12.5 milliliters of liquid in the graduated cylinder shown in the diagram below?
A
Add 0.5 mL of liquid.
B.
Add 1.5 mL of liquid.
C
Remove 0.5 mL of liquid.
D
Remove 1.5 mL of liquid.
Answer:
C. Remove 0.5 ml of Liquid
Remove 0.5ml of liquid to obtain a volume of 12.5 milliliters of liquid in graduated cylinder.
This cylinder is used to measure liquids.What is a graduated cylinder?It is also know as measuring cylinder.It is used to measure the volume of a liquid.It is narrow in shape.To know more about Graduated cylinder here
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experiments with isotopes used as tracers showed that some fungi _____.
air from the nasal cavity enters the superior portion of the pharynx called the
Answer: Nasopharynx.
.......
why can a student see her reflection on a computer moniter when the monitor is turned off
Answer:
Because the screen becomes black and the screen lets the light come. Hope this helps!!
Explanation:
A woman who has had five preganacies tests positive for HIV by Western blot. What is the most likely reason for this result
Explanation:
Multiparous women often have HLA antibodies. The Western blot antigens are derived from HIV grown in human cell lines having HLA antigens. A cross reaction with HLA antigen(s) in the Western blot could have occurred.
Where is the light energy from sunlight stored in photosynthesis?
What organism belongs to the Prokaryotic domain of life and it comes in three different
shapes, such as cocci, rod, and spiral?
Answer:
eubacteria
Explanation:
I took the quiz :)
The organisms that belong to the Prokaryotic domain of life and it comes in three different shapes, such as cocci, rods, and spirals are known as Eubacteria.
What do you mean by the Prokaryotic domain?The prokaryotic domain may be characterized as the kingdom of Prokaryotes is significantly made up of two domains namely, Archaea and Bacteria. These eubacteria are classified under the domain of bacteria which is represented by the relation based on the DNA experimental approach.
According to the context of this question, there are mainly three types of eubacteria commonly found. They are round (coccus), rod-like (bacillus), comma-shaped (vibrio), or spiral. All these types of different body plans, structures, and functions with respect to their morphology.
Therefore, eubacterium is a type of organism that belongs to the Prokaryotic domain of life and it comes in three different shapes, such as cocci, rod, and spiral.
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A microbiologist identifies a bacterium that is capable of degrading cellulose, lignin, chitin, latex, aromatic chemicals, and keratin. It produces metabolic byproducts that give soil a musty smell as well as some that can be used as antibiotics. Which of the following genera is being described?
a. Campylobacter.
b. Streptomyces.
c. Neisseria.
d. Pseudomonas.
NEED HELP NOW PLEASE
Answer:
"shown on the opposite page"
Explanation:
put that picture too
What is paresthesia?
Answer:
b. The _________ when a nerve is under pressure for too long
Explanation: is correct
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Which of the following molecules is broken down in cellular respiration, providing fuel for the cell?.
Inside an active mitochondrion, most electrons follow which pathway?.
Answer:
Citric Acid Cycle
Explanation: