Answer:
hope this helps..
Explanation:
Dependent on the level of comparison four types of homology are defined: ( 1) Iterative ( = serial = homonomy), (2) ontogenetic, (3) di- or polymor- phic, and (4) supraspecific homology. ... Scientists have recently been paying renewed attention to the homology question.
Homology is the study of likeness, the similarity between species that results from inheritance of traits from a common ancestor. The study of similarities is broken up into three main categories: structural, developmental, and molecular homology.
There are three main branches of science. O True O False
Answer:
False
Explanation:
There are lots more than 3 branches of science. Sure you have the popular ones like biology but it isn't considered a main branch.
Answer:
True
Explanation:
There are three main branches of science. They are physical science, earth science, and life science.
Under normal conditions, gases diffuse through small holes in the leaves of a plant. When the weather is very hot and dry, plants may close these openings to conserve water. How are the closures most likely to affect photosynthesis? O They increase the rate of photosynthesis by increasing the amount of water in the leaf They decrease the rate of photosynthesis by preventing carbon dioxide from entering the leaf They increase the rate of photosynthesis by increasing the amount of oxygen in the leaf They have little or no effect on photosynthesis because gases do not take part in the process
Answer:
They increase the rate of photosynthesis by increasing the amount of water in the plant.
Explanation:
It is hot and dry when these openings close, so the Sun has to be out. Photosythesis is caused when the Sun and water are used by a plant to make food.
The answer to the question should be they increase the rate of photosynthesis by increasing the amount of water in the plant.
A diagram of photosynthesis is below.
The closures that are most likely to affect photosynthesis are they increasing the rate of photosynthesis by increasing the amount of water in the plant. The correct option is A.
What is photosynthesis?Photosynthesis, the method used by plants and other autotrophic organisms to make food, converts carbon dioxide into glucose and oxygen, both of which are vital for life.
Photosynthesis depends on some factors. These factors are water, sunlight, and carbon dioxide. If there is a scarcity of any factors, it impacts the process of photosynthesis. If the water does not get enough water, it will dry and there is less chlorophyll for the plant to carry out photosynthesis.
Therefore, the correct option is A. They increase the rate of photosynthesis by increasing the amount of water in the leaf.
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3) Two plants are grown using the same light and pots. One plant is given water that has been
microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks.
What is not a constant in the experiment ?
Light
Soil
Plant
Water
Answer:
Water
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The gene for the hair pattern called a "widow's peak" is dominant. In a population of 100 people, 50 people have a widow's peak. How many people would you expect to be heterozygous for the trait?
50 people because the widow's peak is dominant. Those who don't have a widow's peak do not have the gene.
If the gene for the hair pattern "widow's peak" is dominant, it means that individuals with at least one dominant allele will express the trait. We would expect 50 people to be heterozygous (Ww) for the widow's peak trait.
Heterozygous refers to a genetic condition in which an individual possesses two different alleles for a specific gene. Alleles are alternate forms of a gene that can code for different variations of a particular trait. In a heterozygous individual, one allele is dominant and the other is recessive.
The dominant allele is expressed in the phenotype, meaning it determines the physical appearance or characteristic, while the recessive allele remains hidden and does not show in the individual's observable traits. The notation for a heterozygous trait is typically represented by two different letters, one for each allele (e.g., Aa).
Assuming that "W" represents the dominant allele for widow's peak, and "w" represents the recessive allele.
Given that 50 people in the population have a widow's peak (homozygous dominant, WW), we can deduce that the other 50 people must have the genotype for heterozygous (Ww) to express the trait.
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In horses, the Overo gene, Ov, produces a white splotch pattern on the coat. The overo phenotype is seen only when a horse has one Ov copy, Ovov. Horses with two Ov copies, OvOv, die soon after birth and are called white overo because they are completely white. Horses with no Ov copies are solid colored, ovov. The Leopard complex gene, Lp, shows incomplete dominance and controls white spotting. One Lp allele, Lplp, produces the leopard phenotype, in which there are spots everywhere. Two Lp alleles, LpLp, produce the fewspot phenotype, in which the horse is mostly white with colored spots. A horse that is both overo and leopard is called pintaloosa, and these horses are spotted with splotches. A horse that is overo and fewspot is considered fewspot because the white areas from Lp is indistinguishable from the white from Ov.
Number of:
Solid:____
Fewspot:_____
White Overo:______
Answer:
Hello your question is incomplete below is the missing part
Suppose that 16 pairs of pintaloosa horses have one offspring per pair. How many of each phenotype would be expected? Determine the number out of 16 expected for each phenotype. Only count phenotypes for offspring expected to live past one week of age.
Answer :
Number of
solid, fewspots: 1/16
solid, leapord: 2/16
solid, white: 1/16
Fewspots: 2/16
white overo: 2/16
Explanation:
Using the given information it can seen that one copy of OV will result in Overo, whereas two copies OVOV offspring will die soon after birth. If 16 pairs of pintaloosa (OVovLPlp) horses are mated and each have one pair of offspring, then it can represented in the table attached below:
from the table we can deduce that :
Number of
solid, fewspots: 1/16
solid, leapord: 2/16
solid, white: 1/16
Fewspots: 2/16
white overo: 2/1
10 POINS IM SUPOSED TO TURN THIS IN TODAY!!!
THIS IS THE ONLY ONE I NEED HELP ON PLZ HELP ME!!!
Answer:
glucose <disaccharides <starch<protein
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When a sugary gummy bear is placed in water, are there more dissolved solutes inside or outside of the bear?
does anyone know these?
Answer:
6 would be 100% good vision as both the male and female have GG which is good vision. Either way you put it is 100%
For 7 however, it tells you the sense of smell but asks for the fur colour. Is that a mistake or is that the question
You have to make a punnett square
G G g g 100% bad vision 0% good vision
G GG GG G Gg Gg
G GG GG G Gg Gg Both are dominant for bad vision
S s S s
S SS Ss s SS Ss
S SS Ss s SS Ss 100% good sense of smell 0% bad
Both are dominant for good sense of smell
what do we call scientists that study plants?
Answer:
The answer to this is: A botanist is someone who studies plants.
Explanation:
Describe how the hydrogen ion pump stores energy in a new place .
Answer:
energy is harvested and stored as chemical energy in ATP through chemiosmosis, the movement of hydrogen ions down their electrochemical gradient through the transmembrane enzyme ATP synthase, just as in the mitochondrion.
Explanation:
The aerobic cellular respiration (release of energy from food) of carbohydrates occurs in the
Answer:
Mitochondria
Explanation:
Mitochondria are energy-producing organelles in eukaryotic cells. They carry out a series of reactions that generate many molecules of ATP from the breakdown of sugars. This process is called aerobic respiration.
What does the fact that all organisms use essentially the same genetic code suggest about the origin of life?
Answer:
Well this proves that all living things may be related.
Explanation:
For example, when our ancestors had kids, their kids had their DNA, when those kids had kids, they had some DNA from their grandparents and their parents. DNA is shared by reproduction.
Animals, forests, grasslands, and trees all belong to which sphere? Atmosphere Atmosphere Hydrosphere Hydrosphere Lithosphere Lithosphere Biosphere
The number one reason organisms become endangered and/or go extinct is because of
a. poaching/illegal hunting
b. invasive species
c. pollution
d. habitat loss
Answer:
d) habitat loss
Which of the following has the smallest number of cells?
blastocyst
zygote
fetus
embryo
Answer:
B zygote
Explanation:
Answer:
B zygote
Explanation:
edge
What is a product of a dehydration synthesis reaction for lipids?
Answer:
try the app conects
Explanation:
Help please this is biology unit 1 test and i’m going to be posting the questions i need help with soo
The answer is D) All of the above.
Here are some definitions:
Herbivore: An animal that feeds on plants.
Heterotroph or Consumer: An organism or animal that gets it nutritional requirements from complex organic substances like plants.
Living cells are classed as either prokaryotic or eukaryotic. Which of the following characteristic(s) identify both cell types, eukaryotic cells and prokaryotic cells? Select all that apply. have a nucleus contain cytoplasm comprise most multi-celled organisms mostly single-celled organisms have membrane-bound organelles are the smallest unit of living matter are produced by division of another cell contain DNA
Answer:
have a nucleus - Eukaryotic
contain cytoplasm - Both
comprise most multi-celled organisms - Eukaryotic
mostly single-celled organisms - Prokaryotic
have membrane-bound organelles - Eukaryotic
are the smallest unit of living matter - Both
are produced by division of another cell - Both
contain DNA - Both
Explanation:
1. Eukaryotic cells are cells that possess a membrane-bound nucleus that houses their genetic material.
2. Both eukaryotic and prokaryotic cells have a cytoplasm, which is the gelatinous substance where all other organelles and substances are found.
3. Most multicellular organisms comprises of eukaryotic cells.
4. On the other hand, most single celled organism, are Prokaryotic.
5. Eukaryotic cells, in addition to the possession of a membrane-bound nucleus, they also possess membrane-bound organelles e.g mitochondria, endoplasm reticulum.
6. Cells, generally, are the smallest unit of living matter. This comprises of both eukaryotic and prokaryotic cells.
7. Likewise, all cells arose from already preexisting cells according to the cell theory. Therefore, both eukaryotic and prokaryotic cells are made by the division of another cell.
8. Both prokaryotic and eukaryotic cells have a genetic material like DNA where they store genetic information.
amaging a world without plants. will it be different world. think and write two lines on this
Life could not exist on Earth without trees because they produce most of the oxygen that humans and wildlife breathe. Trees absorb carbon dioxide from the atmosphere and release oxygen using the process of photosynthesis. There would also be no rain without trees since trees absorb water from the soil and release it through evapotranspiration. Water vapor released through evapotranspiration is the major mechanism by which air is remoistened. Forests act as giant air filters for the world. Trees purify the air by absorbing pollutants such as sulfur dioxide and nitrogen dioxide, reducing pollution. Trees also help prevent topsoil erosion because they break the force of wind and rain on soil, their roots bind the soil, and their decayed, falling leaves are absorbed by the earth and enrich the soil. Trees conserve rainwater and reduce water runoff and sediment deposit after storms.Additionally, trees provide a supply of lumber, seeds, and fruit. Further, dead trees that fall and get
Large areas on the leaves of some plants lack chlorophyll and are therefore not green in color. How does this most likely affect photosynthesis? Not enough sunlight is captured in these areas of the leaves. Carbon dioxide cannot enter these areas of the leaves. Too much glucose builds up in these areas of the leaves. Oxygen cannot be released in these areas of the leaves.
(Not enough sunlight is captured in these areas of the leaves)
The plants are of green color due to the pigment chlorophyll. the chlorophyll plays a crucial role in photosynthesis, the process of preparing food.
The correct answer is:
Option A. Not enough sunlight is captured in these areas of the leaves.
The functioning of chlorophyll can be explained as:
Chlorophyll is the green color pigment present in the chloroplast of the leaves. The pigment is involved in the capturing of sunlight and imparting green colors to the plants. The plants lacking chlorophyll will not be able to perform photosynthesis. The process of preparing food in the presence of sunlight, chlorophyll, and carbon dioxide. The products of photosynthesis are oxygen and sugar molecules.
Thus, the correct answer is Option A.
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What food substance do plants produce during photosynthesis?
Answer:
glucose
Explanation:
Plants, unlike animals, can make their own food. They do this using a process called photosynthesis . During photosynthesis, plants produce glucose from simple inorganic molecules - carbon dioxide and water - using light.
We can conduct an experiment to find out if ants are happy.
O True
O False
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The enzyme involved in the transcription of RNA molecules is:
O Pepsin
DNA polymerase
Codon
RNA polymerase
Answer:
RNA polymerase is the enzyme involved in the transcription of RNA molecules.
Captive-bred trout reduce the fitness of wild populations, Relative fitness Wild Captive Captive Wild Wild Captive What statement best summarizes the results?A) The gene flow between hatchery-reared and wild populations is leading to a decline in fitness of wild populations.B) The gene flow between hatchery-reared and wild populations is increasing the fitness of the wild populations.C) The gene flow between hatchery-reared and wild populations is neither helping nor hindering the fitness of the wild population.D) This data does not help us understand effects of gene flow on fitness.
Answer:
A) The gene flow between hatchery-reared and wild populations is leading to a decline in fitness of wild populations.
Explanation:
we have relative fitness at its greatest in trouts whose parents are wild x wild. crossing the wild with hatchery reared causes a decrease in the fitness of the troutgene flow is the exchange of genes between two different breeds. the wild is a greatly diverse breed and it is highly adaptive. while the hatchery reared is less adaptive.when these two breed less fit alleles will then be transferred to the wild
therefore option a answers the question
true or false: The main reason why living organisms require a constant supply of energy is to maintain themselves in a highly organized state.
Answer:
true
Explanation:
Answer:
True
Explanation:
it's true because
what's the name of the mosquito that causes malaria? I just wanna be sure
A pathologist working in the lab observed a liver cell that had a very prominent endoplasmic reticulum. The cell also had a proportionately larger smooth endoplasmic reticulum than rough endoplasmic reticulum.
Which of the following is a plausible explanation for the purpose of a larger amount of smooth endoplasmic reticulum?
A) It is producing proteins for glycolysis and ATP generation.
B) It is packaging signal hormones for export out of the cell.
C) It is detoxifying drugs and toxins with hydroxylating enzymes.
D) It is folding membrane-bound proteins bound for the plasma membrane.
Answer:
B - packaging signal hormones for export out of the cell
Explanation:
Remember the smooth ER packages proteins and sends them out of the cell through vesicles (endo/exosymbiosos)
Answer:
C. It is detoxifying drugs and toxins with hydroxylating enzymes.
Explanation:
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QUESTION 1 (POLL)
We can feed more people with grain than with meat and would
take up less space on our planet to do all this.
SELECT AN ANSWER
True
False
This can not be measured
SUBMIT
Answer:
True.
Explanation:
I say true, but we still need both. And it would be really difficult to get an accurate measurement on it.
Answer:
True
Explanation:
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6. How are winds in the northern hemisphere differen
from winds in the southern hemisphere?
Answer:
Generally, prevailing winds blow east-west rather than north-south. This happens because Earth's rotation generates what is known as the Coriolis effect. The Coriolis effect makes wind systems twist counter-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.
Explanation:
What is the concentration of a solution