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Anna [14]
3 years ago
13

Which statement correctly describes a strand of DNA

Biology
2 answers:
Karo-lina-s [1.5K]3 years ago
5 0
A nucleic acid that carries the genetic information in cells and some viruses,
consisting of two long chains of nucleotides twisted into a double helix and 
joined by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine. 
RoseWind [281]3 years ago
4 0
What are the statement options? 
You might be interested in
which of the following is not a condition that must be made for hardy-weinberg equilibrium 1.no mutation 2.no migration 3.domuna
kow [346]

Answer:

3.dominant alleles more frequent than recessive alleles

Explanation:

To achieve hard-Weinberg equilibrium, certain conditions must be made.

These conditions are:

1. There is noo mutation,

2. Existence of random mating,

3. There should be no natural selection

4. There is the infinite population size

5. No migration

Hence, in this case, the correct answer is option 3, which is not a condition to be made for Hard-Weinberg equilibrium

4 0
3 years ago
C4 plants occur more commonly in desert conditions because _____. a. they can fix carbon at the lower CO2 concentrations that de
ahrayia [7]

Answer:

a. they can fix carbon at the lower CO2 concentrations that develop when the stomata are closed

Explanation:

C4 plants are those that have the capacity to fix CO2 even when a tiny concentration of it is available.

Desert condition is characterized by dryness and strong heat with both condition capable of creating water stress in plant as a result of evapotranspiration. In order to reduce evapotranspiration rate, desert plants (most C4 plants) close their stomata during the day.

<em>Stomata closure limit the diffusion of CO2 into desert plants and the small concentration of CO2 that results is utilized by a special enzyme in the plants.</em>

The correct option is a.

6 0
3 years ago
Read 2 more answers
In roses, red flowers and long stems are dominant traits. A rose plant that is homozygous for both red flowers and long stems is
tensa zangetsu [6.8K]

Answer:

The answer is option b.

50 percent

Hope this helps.

7 0
3 years ago
Read 2 more answers
Most countries have outlawed whaling, but some countries have few or no laws protecting whales. Why are conservation groups push
Gala2k [10]

The answer is D unrestricted whaling could lead to their extinction.


4 0
3 years ago
Read 2 more answers
changes in blood pressure, heart rate, and blood profile in mares during the last 3 months of gestation and the peripartum perio
Scrat [10]

Warmblood mares that were pregnant (n = 10) had their peripartum alterations in blood pressure, heart rate, complete blood count, plasma electrolyte concentrations, and heart rate variability (HRV) assessed.

<h3>What is Gestation ?</h3>

The time during which an embryo, and eventually a fetus, develops inside viviparous animals is known as the gestational period. Although certain non-mammals also experience it, it is usual for mammals. When mammals are pregnant, they may have one or more gestations concurrently, as in the case of multiple births.

<h3>What is peripartum period ?</h3>

The time just prior to, during, and soon following childbirth.

Everyone agrees that the postpartum period starts when the baby is born. Although the end is less well defined, it is sometimes thought to occur six to eight weeks after delivery because by then the effects of pregnancy on many systems have essentially gone back to their pre-pregnancy states.

To know more about Gestation please click here : brainly.com/question/14927815

#SPJ4

8 0
2 years ago
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