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3 years ago

Teen boys who experience massive growth spurts can thank their endocrine system for signally the body to grow. True or False?

Biology

2 answers:

myrzilka [38]3 years ago

6 0

false endocrine is for female growth testosterone is for male

Sergio039 [100]3 years ago

5 0

The given statement is True.

Teen boys who experience massive growth can thank their endocrine system for the sudden growth and development.

This is because the hormone testosterone is produced 10 times mores more at this age of adolescence.

The growth and development in the body is also caused due to growth hormone, adrenal rush et cetera.

The change in facial structure, shoulders broaden, change in voice tone are some characters of the adolescence.

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If a population is steady at its carrying capacity, but then a group of organisms from that species moves in to the same space o

baherus [9]

Answer:

It will remain relatively stable

Explanation:

The carrying capacity (k) of an environment is a factor that represents the maximum number of organisms of a particular species such environment can support based on the resources it has.

Below the carrying capacity, the population of a species still has the potential to increase due to resource availability, and above the carrying capacity, the population has the potential to reduce due to the overstretching of the available resources. Factors that keep the population from expanding significantly beyond the carrying capacity include competition for resources, natural disasters, disease outbreaks, etc.

Hence, if a population is steady at its carrying capacity and a group of organisms from that species moves into the same space occupied by the original population, the carrying capacity will only increase temporarily before factors such as competition and natural disasters operate to bring the carrying capacity to the normal level.

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2 years ago

Please select the word from the list that best fits the definition

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Answer:b

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2 years ago

The enzyme that accomplishes transcription is termed

alekssr [168]

Answer:

The enzymes that perform transcription are called RNA polymerases. Like the DNA polymerase that catalyzes DNA replication (discussed in Chapter 5), RNA polymerases catalyze the formation of the phosphodiester bonds that link the nucleotides together to form a linear chain.

Explanation:

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2 years ago

The ABO blood group assorts independently of the Rhesus (Rh) blood group and the MN blood group. Three alleles, IA , IB , and i,

Eva8 [605]

Answer:

Part 1:

The mother’s genotype is ii, rr, MN

The father’s genotype is IAIA/IAi, Rr, MM

Part 2:

Approximately 1/32 (3.125%) of children can be expected to have the stated blood types.

Explanation:

Part 1:

The mother has blood types 0, Rh- and MN. Therefore, her genotype has to be ii, rr, MN.

The father has ABO type A. His ABO genotype may therefore be either IAIA or IAi, as both are compatible with type A offspring with a type 0 mother. His Rh genotype must be rr, since his Rh- child necessarily has to have inherited one r allele from each parent. Finally, his MN genotype has to be MM since both alleles are codominant.

Part 2:

Using the given data, we build the following Punnett chart:

IA R N IA r N i R N i r N

IA R M

IA R N

IA r M

IA r N

IB R M

IB R N

IB r M X

IB r N

Note that, of all 32 possible combinations, only a single one of them (marked with “X” produces a genotype which matches the desired blood type, as follows:

genotype: IBi, rr, MN

blood type: B, Rh-, MN

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3 years ago

⦁ In what stage of an animal’s life cycle do most cells differentiate?

Ber [7]

Answer:

Reproduction

Explanation:

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2 years ago

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