Answer:
Explanation:
a water-repellent cuticle, stomata to regulate water evaporation, specialized cells to provide rigid support against gravity, specialized structures to collect sunlight, alternation of haploid and diploid generations, sexual organs
The biggest cause of air pollution is: A.factories
B.airplanes
C.buses
D.automobiles
Answer:
Factories
Explanation:
They burn lot of fossil fuels every year and it causes in releasing of combustible substance and harmful gases which pollute the environment.
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Answer: The answer is a screw
Explanation: first the lever wouldn't be right, the pulley wouldn't be either since it isn't on there. So it would be the screw
If you wanted to study dolphins and porpoises, which zone would you want to investigate first?
Answer:
Answer is Sublittoral
what are some early signs of MBD in bearded dragons
Answer:
stress lack of eating Constipation and weakness
Explanation:
are the main ones
white eyes are recessive in flies. can two red eyed flies have white eyed offspring
Answer:
Considering that white eyes are a recessive trait in flies, it is possible for two red-eyed flies to have offspring with white eyes only if both are heterozygous for this trait.
Explanation:
For two individuals with dominant phenotype for a trait to have offspring with the recessive trait, both must have a heterozygous genotype.
In the case of the characteristic eye color of the flies :
Red eye (R) is dominant trait. White eyes (r) is the recessive trait.When both parents are heterozygous, their genotype is Rr
In Punnett Square it can see the result of the crossing of these individuals:
Punnett Square :
Rr X Rr
Alleles R r
R RR Rr
r Rr rr
In the offspring, the probabilities are:
50% heterozygous individuals Rr, with red eye phenotype. 25% pure dominant individuals RR, with red eyes 25% individuals with the recessive rr genotype, white eyes.This is the possibility of two red-eyed flies having white-eyed offspring.
I need help with my biology work can anybody help me with this answer please?
Answer:
d
Explanation:
because all those products mixed together will give another product
Answer:
c
Explanation:
This cell part contains an eukaryotic cell's DNA. *
O Endoplasmic Reticulum
O Ribosomes
O Golgi Apparatus
O Nucleus
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hi guys I need help with those questions can somebody help me please am doing a science fair project
the problem is CAN PLANTS STOP SOIL EROSION?
what can we put a title for this problem
what is the hypothesis for this problem
please help
Answer:Name for project.SOIL SAVERS. plants can stop soil erosion because the roots in plants keep the soil intack. this has already proven true by scientists and farmers. planting plants that has a large root system keeps more soil in. planting carrots and potatoes does not help keep the soil still because they have small root system.
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Which of the following is not a lipid function/ property ?
A. Stores energy
B. Nerve impulse insulator C. Dissolves in water
D. Structural component of cell membrane
Answer:
c
Explanation:
Answer:
(D) is not
Explanation:
lipid- any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but solube in organic solvents. They include many natural oils,waxes,and steroids.
the genes assort independently.
short, black fur long, black fur short, brown fur long, brown fur
Answer: All answer choices. Short, black fur.. long, black fur.. short, brown fur & long, brown fur
Explanation:
Answer:
Two true-breeding guinea pigs were crossed. One had short, black fur, and the other had long, brown fur. Fur length is carried on one gene and fur color on another. Select all offspring phenotypes that you would expect in later generations if…
. . . the genes are nearby on the same chromosome.
short, black fur
long, black fur
short, brown fur
long, brown fur
A short-haired black guinea pig and a long-haired brown guinea pig.
Photos by Katrina and Ilovebutter
. . . the genes assort independently.
short, black fur
long, black fur
short, brown fur
long, brown fur
Explanation:
The bacterial RecA protein (and its counterpart in eukaryotes, Rad51) are involved in, and help direct: ________.
a. chromatin packing and heterochromatin formation
b. Apurinic site repair
c. Post-transcriptional regulation
d. Strand invasion
Answer:
The appropriate alternative is Option b (Apurinic site repair).
Explanation:
Although these antibodies eliminate compromised DNA bases through midriff of N-glycosylic attachments, maintaining perhaps an apurine or perhaps even apyrimidine site today.RecA connects towards DNA damage as well as precipitates recombinant restoration through doulas branch fracture pairing or daughter strand difference restore.Other solutions aren't relevant to the situation in question. So that the answer above is the right one.
Which of the following plant is associated with Chronic Obstructive Pulmonary Disease in horses?
a.Eupatorium adenophorum
b.Lantana camara
c. Quercus griffithi
d. Bracken Fern
Question 8 (3 points)
Using the diagram below, identify the ONLY portion of the nucleotide that is not the same in every piece of DNA. (phosphate, sugar, or base)
Answer:
Base
Explanation:
Deoxyribonucleic acid, DNA, is one of the four major biomolecules in living organisms. It is a polymer made up of monomers called NUCLEOTIDES. The nucleotides that make up a DNA molecule is composed of three substances namely: Sugar (deoxyribose), nitrogenous base, and a phosphate group.
However, among these three components of the nucleotide monomer, NITROGENOUS BASE is the only portion that is not the same in every DNA molecule. There are four nitrogenous bases in nature viz: Adenine, Guanine, Cytosine and Thymine. These four bases can be alternated in a DNA molecule.
Note that, phosphate group and deoxyribose sugar are constant in every DNA.
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dont answer if you ont know it
The more bonds an atom can make, the more likely it is to combine with other atoms in different ways.
Which element is most likely able to make the greatest variety of bonds?
nitrogen
hydrogen
oxygen
carbon
Answer:
hydrogen
Explanation:
this is because hydrogen has a valency of 1 and has only one electron in it's outer most energy level thus able to bond with many elements easily
Identify the organ shown below:
A. Uterus
B. Ovaries
C. Vagina
D. Fallopian tubes
The organ that is shown in the image is considered to be the uterus.
What is the uterus?It is the organ at the lower body of the women in which the offspring should be conceived and it should be gestated prior to the birth. It lies between the rectum and the bladder. Here the ovaries should generated the egg that should be travelled via the fallopian tubes.
Therefore, we can conclude that the option a is correct.
learn more about an organ here: https://brainly.com/question/17403883
Ann is observing the temporal bone and locates the jugular foramen and the jugular fossa. What two types of bone markings has she identified?
A. An extension and arounded process
B. A rough elevation and analytiat surface
C. A hole and a depression
D. A sit and an expanded end
Answer:
C. A hole and a depression
Explanation:
The jugular foramen is located at the base of the skull, it is oval in shape and from there emerges the internal jugular, which after emerging this intracranial vein this same forms the jugular fossa which is where it rests.
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Edwin wrote the following notes about static electricity. When an uncharged object is placed close to a charged object, the objects can attract or repel each other. When two electrically charged objects are placed next to one another, the objects can also attract or repel. What statement will correct the error in Edwin's notes?
A) An electrically charged object needs to touch an uncharged object before they attract or repel.
B) When an electrically charged object comes close to an uncharged object, it will attract it.
C) If an electrically charged object is near an uncharged object, it will repel it.
D) When two electrically charged objects are placed close together, they only attract.
Answer:
it's An uncharged object.
if its not charged the electrically wont go on it
Explanation:
The statement that will correct the error in Edwin's notes is as follows:
An electrically charged object needs to touch an uncharged object before they attract or repel.Thus, the correct option is A.
How do electrically charged objects produce attraction?The electrically charged objects produce attraction of oppositely charged objects. For example, if a positively charged object and a negatively charged object bring close to each other, they interact with one another. Their forces act in the same direction. i.e. from the positive to the negative charge.
There is an interaction between two oppositely charged objects required in order to furnish attraction, while there is an interaction between two identical charged objects required in order to furnish repulsion.
Whether it is attraction or repulsion, it must be required that an electrically charged object needs to touch an uncharged object.
Therefore, the correct option for this question is A.
To learn more about Electrically charged objects, refer to the link:
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why protozans are called ammonotelic
Answer:the process of excreting nitrogenous waste in the form of ammonia
Explanation:
If a female fruit fly is heterozygous with the allele for white eyes being recessive and the red eyes being dominant on the X-chromosome. She is crossed with a hemizygous red eyed male, what would be the expected ratio of male and female phenotypes if they were bred together?
Answer:
100% red eyes because there is 50% AA and 50% Aa.
Explanation:
To find the expected ratio of male and female phenotypes if they were bred together, you need to make a punnett square/table.
Female: A a
"A" is white eyes, which is RARE. "a" is red eyes, which is COMMON.
Male: A A
"A" is red eyes, which is COMMON.
Multiply Aa x AA by a punnett square.
GUIDE:
1. AA is common and does not carry the recessive gene of being white-eyed. 2. aa is rare and carries the recessive gene of being white-eyed.
3. Aa is common as being red-eyed since being red-eyed is dominant, but carries the recessive gene of being white-eyed.
138) Six-year-old Matthew broke his femur and one of his epiphyseal plates was damaged. Explain the role of the epiphyseal plate in longitudinal growth and predict the effects of a damaged epiphyseal plate on his future longitudinal growth.
Answer:
The function of the physis or growth plate is to allow the growth in length of the bones (both long as short) through the endochondral ossification process.
Explanation:
The epiphyseal plates are areas of active growth of new bone at the ends of the bones, made up of cartilage that hardens once the child is fully developed. Epiphyseal plates help determine the length and shape of the adult bone eventually. It is the last part of the bones to harden, and therefore they are vulnerable to fractures. The complication of the involvement of the growth plate is the deformity or lack of growth of the bone, leaving the limb twisted or shorter than the contralateral one.Growth disturbances are more frequent when the affected area is very large or when it involves the area of the knee joint. In cases of shoulder or wrist involvement, deformities rarely occur. The alterations are more common when the lesions occur in younger children, because they have a longer growth period.
How does hunting help balance nature? o Hunting allows producers to over populate. O Hunting provides more food for decomposers. Hunting limits the amount of top predators found in the food chain. o Hunting limits the amount of organisms found in each link of the food chain.
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Which of the following organelles would not be present in the nerve cell of the humpback whale?
A. Plasma membrane
B. Cell wall
C. Mitochondria
D. Lysosome
Answer: b
Explanation:
9. What is the function of nucleic acids? *
a) store genetic information
b)store energy (long-term)
Oc)store energy (short-term)
O d)build skin, hair, nails, muscles
Answer:
a option
Explanation:
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Which of the following is not a way that the environment can influence traits?
the presence of toxins in the environment
through epigenetic factors
expression of the dominant trait
through variation in temperature
Answer:
The correct answer is - expression of the dominant trait
Explanation:
The ineraction of the genes such as dominant and recessive trait are incorporated in the genes and not influence by the environmental condition. These interaction are by the de noo mutations or due to the error in gene expression.
The environmental conditions like toxins cause alteration or mutation in the gene expressions. Temeprature or epigentic conditions are also the factor the can cause influence to traits.
Organisms that have very different taxonomies (e.g. are from different families) but look very similar represent an example of
6. The diagram shows a complete circuit with a battery and a buzzer making
noise. This circuit works by transforming - *
O F. chemical energy to electrical to sound.
G. electrical enengy to thermal to light.
O H. sound energy to electrical to chemical.
O
J. mechanical energy to electrical to sound.
Evolution is change in a population over time and includes the gene pools of that population. How does biogeographic
isolation allow for the change of gene pools over time?
O Biogeographic isolation affects the random changes that take place within gene pools.
O Biogeographic isolation causes changes in gene pools that result from populations being separated.
O Biogeographic isolation determines who will win competition for mates
O Biogeographic isolation determines the time that populations will breed
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Nuclear _________ reactions convert protons into hellum; thus, becoming the source of all energy radiated by the sun.
Answer:
Nuclear Fusion Reactions