Are teens who lack sleep more prone to becoming overweight, using alcohol and drugs, and mental illnesses and suicideal

1 answer:

7 0

Several studies of adolescents, including one with more than 3,000 high school students, found that inadequate sleep is associated with higher levels of depressed mood, anxiety, behavior problems,alcohol use, and attempted suicide.

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1. Sugar beets plants start from tiny seeds and grow to be large plants. Where does the bulk of their mass come from? A. nutrien

natka813 [3]

Answer:

1. B. carbon dioxide taken in from the surrounding air

2. A. Root

Explanation:

Sugar beet plant carries out photosynthesis and stores the excess of the sucrose in its taproots. During the process of photosynthesis, the plant absorbs CO2 from the air, water from the soil and synthesizes organic sugars in the presence of sunlight.

Atmospheric CO2 contributes carbon and oxygen atoms to the formed sugars which in turn are stored in plant parts. Therefore, atmospheric CO2 makes most of the mass of the photosynthesizing plants such as sugar beets. The taproots of beet plants are modified into storage roots to store the excess of the organic sugars.

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3 years ago

A mutation that could be inherited by offspring would result from- I’ll make you brainiest

masya89 [10]

Answer:

D. A base substitution in gametes during meiosis

Explanation:

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4 years ago

When a plant with red flowers (C RC R) is crossed with a plant that has white flowers (C wCw) the resulting offspring has pink f

xeze [42]

it is incomplete dominance

5 0

3 years ago

Read 2 more answers

According to the theory of evolution ______ traits will become common in a population over time. female favorable male recessive

nirvana33 [79]

Favorable

Traits that enhance survivability and reproduction, to be more specific.

3 0

3 years ago

In beta fish, green fish have the genotype CC, dark blue fish have the genotype cc, and green and blue spotted fish have genotyp

denpristay [2]

Answer:

25%

Explanation:

This cross involves a single gene coding for spot color in beta fish. Green allele is C while the blue allele is c. This gene exhibits co-dominance, hence, an heterozygote beta fish (Cc) i.e. combination of both alleles, will have both phenotypes expressed to form a green and blue spotted beta fish.

If two green and blue spotted beta fishes (Cc) are crossed, each beta fish will produce gametes with C and c alleles. Using these gametes in a punnet square, four possible offsprings with the following genotypes will be produced: CC, Cc, Cc and cc.

C c

C CC Cc

c Cc cc

Hence, the percentage of offsprings expected to be green (CC genotype) is 1 out of 4possible offsprings i.e. 1/4 × 100 = 25%

4 0

3 years ago