Answer:
D
Explanation:
In humans, the "A" allele codes for Type A blood, the "B" allele codes for Type B blood, and the "o" allele codes for Type O blood. "A" and "B" are both dominant to "o." A and B are co-dominant to each other.
What is the probability of a Type AB parent and a Type O parent producing a Type AB child?
A. 50%
B. 25%
C. 0%
D. 100%
Which of the following does not represent a condition required for natural selection to occur?
Please answer quick!! Given the following template strand, write in the sequence of the complementary DNA
strand.
Template DNA strand:
TAC GAA GTC CCT TAG
Complementary DNA strand:
Answer:
ATG CTT CAG GGA ATC
Explanation:
Using Chargaff's rule:
A=T
G=C
You can find the DNA complentary strand
A student observes cell division in two different cells of a lily plant.
Cell A
germ cell in the anther of a lily
producing sperm cells
Cell B
cell in the root tip of an onion
producing root cells
What number of divisions does each cell undergo in a single cycle of cell division?
Cell A
Cell B
1
2
O
Cell A
Cell B
TIN
O
Cell A
Cell B
2
1
2
Cell A
Cell B
4
Answer:
Where I have used the term "chromosome complement," I am simply referring to the "complete" chromosome makeup of the nucleus of a cell in the flowering plant life cycle. The Merriam Webster Third New International Dictionary has many definitions for complement, but the one I am using is "the quantity or number required to fill a thing or make it complete." On the chromosome questions I want the "complete" chromosomes (represented by letters) for various cells and nuclei in the plant life cycle. For example, if ABCD refers to the chromosomes of an egg and abcd refers to the chromosomes of a sperm; then AaBbCcDd refers to the complete chromosomes of a fertilized egg or zygote (ABCD + abcd = AaBbCcDd). In a number of questions I have referred to the chromosome complement of a specific cell or nucleus, such as the zygote. In this case the chromosome complement of the zygote would be AaBbCcDd. The chromosome complement of the embryo would also be AaBbCcDd. Just think of the chromosome complement as the complete chromosome makeup of a cell where large and small case letters stand for the actual chromosomes. If there is one of each letter, then the cell is haploid (e.g. ABCD or abcd). If there are two of each letter, then the cell is diploid (e.g. AaBbCcDd). If there are three of each letter, then the cell is triploid (e.g. AAaBBbCCcDDd). If there are four of each letter, then the cell is tetraploid (e.g. AAaaBBbbCCccDDdd).
In the following questions, the term haploid (1n) refers to one set of chromosomes. This is typically the number of chromosomes found in the single nuclei of sex cells (gametes). In the flowering plant life cycle, this is also the chromosome number of the three nuclei within a germinated pollen grain (pollen tube) and the eight nuclei within an embryo sac. In plants, the haploid part of the life cycle is called the gametophyte. The normal haploid number for a human egg or sperm is 23 chromosomes (n = 23). The term diploid refers to two sets of chromosomes resulting from the union of the sperm and the egg. This is typically the number of chromosomes found in the nuclei of body cells (somatic cells) of a plant or animal. In plants, the diploid part of the life cycle is called the sporophyte. In a normal human, the diploid number is 46 chromosomes (2n = 46). The following link to life cycle patterns may be helpful in understanding the gametophyte and sporophyte parts of a life cycle. In the diagrams, everything above the red horizontal line is diploid (sporophyte) and everything below the red line is haploid (gametophyte). The terms sporophyte and gametophyte are used in the life cycles of plants, fungi and algae, but not animals.
How many anatomical characteristics do Cetaceans share with Mammals?
Answer:
Anatomy suggests that Cetaceans are more closely related to mammals than fish since they share more similarities with the mammals, such as a 4-chambered heart and lungs. What does anatomy say about the ancestry of Cetaceans?
Explanation:
Hope it helps! Correct me if I am wrong :>
Anatomy suggests that Cetaceans more closely resemble mammals. Cetaceans have a 4-chambered heart, lungs to breathe, giving birth to young ones, mammary glands, endothermic, etc.
What are Cetaceans?Cetaceans can be called aquatic mammals and it includes whales, dolphins, etc.
These are one of the most distinctive and highly specialized orders of mammals.
They are more likely to have anatomical characteristics of mammals than fish. As they have a 4-chambered heart, are endothermic, give birth to young ones, and have mammary glands, these are considered under mammals.
Thus, these are the characteristics that Cetaceans share with mammals.
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Please help on this one
Answer:
A. Class
Explanation:
As you look at Animal l column and Animal V column you can see their first difference appears in the class row.
Is a tomato a fruit or vegetable???
PLEASE ANSWER I WILL GIVE BRAINLIEST!!! If two babies both had red tails, would their genotypes for that trait have to be identical? Show the possible genotypes.
Use the following terms: Natural Selection, Variation, Mutation, Adaptation, Overproduction, Descent with Modification, Evolution, Population, Species, Heritability, and Fitness and show the relationship between them that lead to the result, Evolution.
Answer:
Variations in species led to evolution. Some species have desirable traits that are beneficial to their survival. Some species have undesirable traits that are not beneficial to their survival. E.g. peppered moths are not easily seen by predators because they camouflage with the bark, black moths are easily seen by predators so they are eaten. In the example mentioned, the peppered moths have a beneficial trait, this is also known as fitness, because the organism is fit for survival, unlike the black moths. Overtime the population of black moths decreases because they are not fit for survival, therefore the black moths cannot reproduce offspring that also have black wings. However, the population of peppered moths increases, because the peppered moths are able to reproduce offspring. Those offspring inherit their parents' traits, which make them have peppered wings too.
Which person is least likely to be concerned about potential long-term side
effects of genetically modified (GM) food?
A. A wealthy mother
B. The owner of an organic farm
C. A biology researcher
D. A child who is starving
Help please and thank you
In which type of symbiotic relationship does one organism benefit and the other is neither helped nor harmed?
A. Competition
B. Commensalism
C. Mutualism
D. Parasitism
Answer:
Commensalism
Explanation:
Mutualism- both benefit
Parasitism- One benefits, the other is harmed
Competion- fite
Answer:
commensalism
Explanation:
just did the test
Imagine that you find a layer of rock containing many fossil clams. The layer of rock is 50 km from the ocean. The fossils are about 5 million years old. Clams usually live in shallow ocean water. Based on the fossils, what can you guess about the environment in this area 5 million years ago?
Answer:
No ocean is present 5 million years ago.
Explanation:
There is no ocean or sea in this area 5 million years ago because the land is present where these fossils live but with the passage of time the geography of that place changes and the ocean covered the area and these fossils remain below the ocean inside the layer of land. So we can conclude from the presence of these fossils that there is no ocean present in these regions 5 million years ago .
The area that contains many fossil clams used to covered with ocean water 5 million year ago
Clams are the the variety of shel-fish that are usually found in shallow water and are important to maintain the web of the ecosystem
5 million years ago the area of 50 km was covered with shallow water range but with the time and environmental change area with clams got vanished and with time changed into fossil.
Therefore, the area of 50 km used to covered with ocean water 5 million year ago.
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Which of these statements is true about internal respiration?
[a] Production of ATP
[b] Exchange of gases between the bloodstream and tissue cells
[c] Exchange of gases between alveoli and the bloodstream
[d] Breathing between the atmosphere and the alveoli
Answer:
c
Explanation:
because I don't know how to exam tho
Exchange of gases between alveoli and the bloodstream ( Option C )
Internal respiration is the process of exchanging gases ( i.e. carbon dioxide and oxygen ) between the bloodstream and the alveoli of an organism. as seen in human.
Internal respiration ( exchange of gases) occurs between Alveoli and the bloodstream. While External respiration occurs between the atmosphere and the alveoli.Also the Alveoli is important in both external and internal respiration. but for internal respiration, the alveoli exchanges gases with the bloodstream before it is passed to the internal issues .
Hence we can conclude that the true statement about internal respiration is ; Exchange of gases between the alveoli and the bloodstream.
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Explain a situation in which a cell would need to use an input of energy to
transport materials across the cell membrane.
HELP BIO
whichever lad/lass is right gets branliest and a light saber
Which phrase, if placed in box X, would correctly complete the flowchart shown below?
Decreased concentration of oxygen in leaf cells
Increased use of starch in root cells
Increased concentration of glucose in leaf cells
Decreased ATP in root cells
Answer: Increased concentration of glucose in leaf cells
Explanation:
Based off the flowchart, the process that it's describing is photosynthesis because during this process sunlight and CO2 are taken in by a plant to produce glucose. If we are exposed to sunlight and are increasing the use of CO2, then there must be a higher concentration of glucose in the leaf cells. Glucose is a product of photosynthesis.
Which is NOT a function of the digestive system? *
Answer:
pump blood around the body
Explanation: The digestive system doesnt pump blood, but it does all the other ones.
Answer:
¨to rid the body of wastes¨.
Explanation:
also, if you get any wrong, press ¨view score¨ at the end, and then go back to the other tab and then press edit response. then you can see what ones you got wrong and keep doing that till you get 100% c:
NEED ANSWERED ASAP!!!!
WILL GIVE BRAINIEST!!
if a material has a radioactivity level of 100 curies and has a half-life of 10 years, how many half lives will have occurred after 100 years?
Answer:
i think its 5 but im only in 7th grade so heh but im pretty sure
pretty surrExplanation:
Chemicals used to kill insects and other pests that diminish crop yields are called
A) asbestos
B) pesticides
C) carbon sinks
D) myrmecophytes
E) carcinogens
Answer:
B) Pesticides
Explanation:
How does population growth differ between developing countries and developed countries? What might account for these differences?
Answer:
Developing countries have a low life expectancy because things like water might be populated/scarce, the air may be polluted and immunisation might not be possible. But developed countries are more likely to have safe drinking water, and vaccines.
HELP DUE IN 10 MINS!
Plants gather the sun’s energy with light-absorbing molecules called------such as ------
a. Chloroplasts, chlorophyll
b. Pigments, chlorophyll
c. Thylakoids, grana
Answer:
It's B; Pigments and Chlorophyll.
Hope you pass your assignment!
Answer:
b . pigments, chlorophyllGive a reasons why
accumulation of lactic acid during vigorous
exercise leads to an increcise in heartbeat
Think of an object, person place at home that functions similar to the cytoplasm .
Question 2 of 5
Which behavior would you expect from the small fish on a warmer-than-
average day?
A. Narrowing of its blood vessels
B. Faster swimming
C. Movement to shaded waters
D. Flying instead of swimming
Which of the following is true about cytokinesis in plant and animal cells
Define the following :
-self-concept
-self motivation
-volunteer
-self-image
-Adolescents
Answer:
Self-concept is the set of ideas that make up the image that each person has about himself, that is, it is the opinion that an individual forges about himself. That sentence carries a certain value judgment. Self-concept: set of elements that a person uses to describe himself. Self-motivation is giving the reasons, the drive, the enthusiasm and the interest that provoke a specific action or a certain behavior. Volunteer is the person who, by his own choice, dedicates part of a part of his time to solidary, altruistic action, without receiving remuneration in return. The stage that comes after childhood and that ranges from puberty to the full development of the body is known as adolescence. Self-image is the value we have in relation to ourselves.
Explanation:
Self-concept: set of elements that a person uses to describe himself. The ability to motivate yourself is what is known as self-motivation. This is an important skill, as it encourages people to continue progressing even in the face of setbacks, to seize opportunities and to show commitment to what they want to achieve. Volunteer is that person who joins an organization in a free way to help altruistically in various social activities. When we speak of self-image we refer to the image that our subconscious has of ourselves. Adolescence is understood as the period of human development after childhood and before adulthood, in which the biological, sexual, social and psychological changes necessary to form a socially mature individual and physically prepared for reproduction take place.
When the land or oceans are heated unevenly
form.
Answer:
What's your question?
Explanation:
Help plz this is science
how are organisms classified into domains?
HELP! Information from dna is transcripted into__
Answer:
1) MRNA
2) Triplet code
3) Amino acid
4) protein