BIOLOGY HIGH SCHOOL

Some vitamins can be produced by the body.
TRUE
FALSE

Answers

Answer 1

Answer:

Answer:

true

Explanation:

my freind says so..

Answer 2

Answer: True because your body requires all lot vitamins and they need them to fight against bacteria.

Related Questions

Biologists believe that a large number of species that are part of the rain forest ecosystem are on the verge of extinction. Which statement BEST describes the role of urbanization in this disaster?A) Urbanization leads to deforestation and loss of habitat for many species.B) Many animals are captured or killed by poachers, significantly reducing their numbers.C) Viral epidemics that break out in human populations spread to animals in the ecosystem.D) Factories cause a significant rise in temperature in the forests, endangering many species.
Name two processes through which genetic drift can occur
Why is heritability important for both natural and artificial selection?
Describe the sequence of events during a blood clot.
Describe the structure of the cell membrane. how does the cell membrane affect the contents of the cell?

Prokaryotes contain all but which of the following?a. cytoplasm.
c. a nucleus.
b. a cell membrane.
d. genetic material.

Answers

Prokaryotes do not have a nucleus.

The continents began to drift apart by the end of the _______ period

Answers

The continents, who are thought to come from one giant landmass called Pangaea, was said to start drifting apart in the early or middle jurassic period - roughly 175 million years ago. Experts say that that many of these continents are still moving up to now.

Skin color in a certain species of fish is inherited via a single gene with four different alleles. How many different types of gametes would be possible in this system?
A) 1
B) 2
C) 4
D) 8
E) 16

Answers

The answer is C) 4.

It is known that gametes are haploid cells. Haploid cells have only one allele in the loci. Each gamete will contain each of these four different alleles. That means that there will be four different types of gametes containing four different alleles.

Since there are four alleles, there are four different combinations of alleles possible in the gametes. Therefore, option C is correct. as there would be four different types of gametes possible in this system.

In a system where skin color in a certain species of fish is inherited via a single gene with four different alleles, the number of different types of gametes that would be possible can be determined using the principle of independent assortment.

The principle of independent assortment states that during gamete formation, the alleles for different traits segregate independently of each other.

Since there is only one gene involved in determining skin color in this case, we can assume that the alleles for skin color segregate independently as well.

With four different alleles for the skin color gene, let's label them as A, B, C, and D. Each individual gamete will carry only one allele. The possible combinations of alleles in the gametes can be calculated by multiplying the number of alleles for each gene together.

In this case, since there are four alleles, there are four different combinations of alleles possible in the gametes. Therefore, the correct answer is C) 4, as there would be four different types of gametes possible in this system.

Know more about gametes:

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A plant with the genotype TT is called _____.

homozygous
heterozygous
hybrid

Answers

If a genotype has two of the same alleles, as in two capital letters (two dominant alleles) or two lowercase letters (two recessive alleles), it is homozygous. If it was Tt, had one recessive allele and one dominant allele, it would be heterozygous.

When an individual has two of the same allele, whether dominant or recessive, they are homozygous.
so the answer is homozygous :)))
i hope this is helpful
have a nice day

As Georgia began to diversify its agricultural production in the years following World War II, these crops replaced cotton as the state's primary crops. Which of the following are these?A) oranges, apples, and rice

B) rice, indigo, and tobacco

C) sugar cane, cotton, and peanuts

D) pecans, peanuts, soybeans, and corn

Answers

Out of the choices given, the crops that replaced cotton as the state's primary crops are pecans, peanuts, soybeans, and corn. Cotton is still the number one cash crop in the state of Georgia in 2016. The correct answer is D.

Answer:

the answer is D

Explanation:

How many tetrads form during synapsis of meiosis for humans?

Answers

Answer:

By the end of meiosis, four cells will be created, each with one of the chromatids from the tetrad. Also, don't forget that there are 23 different tetrads formed during meiosis because each chromosome 1-23 will have a tetrad.

Final answer:

In humans, four tetrads form during the synapsis of meiosis.

Explanation:

In humans, a total of four tetrads form during the synapsis of meiosis. Synapsis occurs during Prophase I of meiosis, where homologous chromosomes pair up and form a structure called a bivalent. Each bivalent consists of two pairs of sister chromatids held together by a protein structure called a synaptonemal complex. Since there are 23 pairs of chromosomes in humans, there will be 46 total tetrads formed during meiosis, as each homologous pair forms a tetrad.